JP2005336052A - 多重波長で発光する硫化カドミウムナノ結晶の製造方法、それにより製造された硫化カドミウムナノ結晶、およびこれを用いた白色発光ダイオード素子 - Google Patents
多重波長で発光する硫化カドミウムナノ結晶の製造方法、それにより製造された硫化カドミウムナノ結晶、およびこれを用いた白色発光ダイオード素子 Download PDFInfo
- Publication number
- JP2005336052A JP2005336052A JP2005157791A JP2005157791A JP2005336052A JP 2005336052 A JP2005336052 A JP 2005336052A JP 2005157791 A JP2005157791 A JP 2005157791A JP 2005157791 A JP2005157791 A JP 2005157791A JP 2005336052 A JP2005336052 A JP 2005336052A
- Authority
- JP
- Japan
- Prior art keywords
- cadmium
- cadmium sulfide
- carbon atoms
- multiple wavelengths
- nanocrystal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000002159 nanocrystal Substances 0.000 title claims abstract description 111
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 229910052980 cadmium sulfide Inorganic materials 0.000 title claims abstract description 92
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 35
- 239000002243 precursor Substances 0.000 claims abstract description 73
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims abstract description 47
- 229910052793 cadmium Inorganic materials 0.000 claims abstract description 45
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 41
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 39
- 239000011593 sulfur Substances 0.000 claims abstract description 38
- 239000002904 solvent Substances 0.000 claims abstract description 28
- 239000013078 crystal Substances 0.000 claims abstract description 23
- 239000002270 dispersing agent Substances 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 6
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 25
- -1 alkyl carboxylic acid Chemical class 0.000 claims description 21
- 125000004432 carbon atom Chemical group C* 0.000 claims description 19
- 150000003973 alkyl amines Chemical class 0.000 claims description 14
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 5
- 150000001336 alkenes Chemical class 0.000 claims description 5
- CXKCTMHTOKXKQT-UHFFFAOYSA-N cadmium oxide Inorganic materials [Cd]=O CXKCTMHTOKXKQT-UHFFFAOYSA-N 0.000 claims description 5
- CFEAAQFZALKQPA-UHFFFAOYSA-N cadmium(2+);oxygen(2-) Chemical compound [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 claims description 5
- 238000009826 distribution Methods 0.000 claims description 5
- 150000002391 heterocyclic compounds Chemical class 0.000 claims description 5
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 claims description 4
- 150000001345 alkine derivatives Chemical class 0.000 claims description 4
- KPWJBEFBFLRCLH-UHFFFAOYSA-L cadmium bromide Chemical compound Br[Cd]Br KPWJBEFBFLRCLH-UHFFFAOYSA-L 0.000 claims description 4
- YKYOUMDCQGMQQO-UHFFFAOYSA-L cadmium dichloride Chemical compound Cl[Cd]Cl YKYOUMDCQGMQQO-UHFFFAOYSA-L 0.000 claims description 4
- OKIIEJOIXGHUKX-UHFFFAOYSA-L cadmium iodide Chemical compound [Cd+2].[I-].[I-] OKIIEJOIXGHUKX-UHFFFAOYSA-L 0.000 claims description 4
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 claims description 4
- RZJRJXONCZWCBN-UHFFFAOYSA-N octadecane Chemical compound CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 claims description 4
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadecene Natural products CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 claims description 4
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 3
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 3
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 3
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000005642 Oleic acid Substances 0.000 claims description 3
- LVEULQCPJDDSLD-UHFFFAOYSA-L cadmium fluoride Chemical compound F[Cd]F LVEULQCPJDDSLD-UHFFFAOYSA-L 0.000 claims description 3
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 3
- 239000002105 nanoparticle Substances 0.000 claims description 3
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 3
- 230000035484 reaction time Effects 0.000 claims description 3
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 claims description 2
- QGLWBTPVKHMVHM-KTKRTIGZSA-N (z)-octadec-9-en-1-amine Chemical compound CCCCCCCC\C=C/CCCCCCCCN QGLWBTPVKHMVHM-KTKRTIGZSA-N 0.000 claims description 2
- QZCSIAPWHFXTLJ-UHFFFAOYSA-N 2,3-diphenyl-1-propan-2-ylaziridine Chemical compound CC(C)N1C(C=2C=CC=CC=2)C1C1=CC=CC=C1 QZCSIAPWHFXTLJ-UHFFFAOYSA-N 0.000 claims description 2
- WKFQMDFSDQFAIC-UHFFFAOYSA-N 2,4-dimethylthiolane 1,1-dioxide Chemical compound CC1CC(C)S(=O)(=O)C1 WKFQMDFSDQFAIC-UHFFFAOYSA-N 0.000 claims description 2
- IGPFOKFDBICQMC-UHFFFAOYSA-N 3-phenylmethoxyaniline Chemical compound NC1=CC=CC(OCC=2C=CC=CC=2)=C1 IGPFOKFDBICQMC-UHFFFAOYSA-N 0.000 claims description 2
- QVJAEHWIKHNTSX-UHFFFAOYSA-N C[Si](C)(C)[S] Chemical compound C[Si](C)(C)[S] QVJAEHWIKHNTSX-UHFFFAOYSA-N 0.000 claims description 2
- 235000021314 Palmitic acid Nutrition 0.000 claims description 2
- 235000021355 Stearic acid Nutrition 0.000 claims description 2
- 241001455273 Tetrapoda Species 0.000 claims description 2
- 150000001356 alkyl thiols Chemical class 0.000 claims description 2
- LHQLJMJLROMYRN-UHFFFAOYSA-L cadmium acetate Chemical group [Cd+2].CC([O-])=O.CC([O-])=O LHQLJMJLROMYRN-UHFFFAOYSA-L 0.000 claims description 2
- 229910000011 cadmium carbonate Inorganic materials 0.000 claims description 2
- 229940075417 cadmium iodide Drugs 0.000 claims description 2
- XIEPJMXMMWZAAV-UHFFFAOYSA-N cadmium nitrate Inorganic materials [Cd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XIEPJMXMMWZAAV-UHFFFAOYSA-N 0.000 claims description 2
- QCUOBSQYDGUHHT-UHFFFAOYSA-L cadmium sulfate Chemical compound [Cd+2].[O-]S([O-])(=O)=O QCUOBSQYDGUHHT-UHFFFAOYSA-L 0.000 claims description 2
- 229910000331 cadmium sulfate Inorganic materials 0.000 claims description 2
- GKDXQAKPHKQZSC-UHFFFAOYSA-L cadmium(2+);carbonate Chemical compound [Cd+2].[O-]C([O-])=O GKDXQAKPHKQZSC-UHFFFAOYSA-L 0.000 claims description 2
- PSIBWKDABMPMJN-UHFFFAOYSA-L cadmium(2+);diperchlorate Chemical compound [Cd+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O PSIBWKDABMPMJN-UHFFFAOYSA-L 0.000 claims description 2
- VFFDVELHRCMPLY-UHFFFAOYSA-N dimethyldodecyl amine Natural products CC(C)CCCCCCCCCCCN VFFDVELHRCMPLY-UHFFFAOYSA-N 0.000 claims description 2
- LAWOZCWGWDVVSG-UHFFFAOYSA-N dioctylamine Chemical compound CCCCCCCCNCCCCCCCC LAWOZCWGWDVVSG-UHFFFAOYSA-N 0.000 claims description 2
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 claims description 2
- GJWAEWLHSDGBGG-UHFFFAOYSA-N hexylphosphonic acid Chemical compound CCCCCCP(O)(O)=O GJWAEWLHSDGBGG-UHFFFAOYSA-N 0.000 claims description 2
- YWFWDNVOPHGWMX-UHFFFAOYSA-N n,n-dimethyldodecan-1-amine Chemical compound CCCCCCCCCCCCN(C)C YWFWDNVOPHGWMX-UHFFFAOYSA-N 0.000 claims description 2
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical compound CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 claims description 2
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 claims description 2
- 229940038384 octadecane Drugs 0.000 claims description 2
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 2
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 2
- FTMKAMVLFVRZQX-UHFFFAOYSA-N octadecylphosphonic acid Chemical compound CCCCCCCCCCCCCCCCCCP(O)(O)=O FTMKAMVLFVRZQX-UHFFFAOYSA-N 0.000 claims description 2
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 claims description 2
- 235000021313 oleic acid Nutrition 0.000 claims description 2
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 claims description 2
- 239000008117 stearic acid Substances 0.000 claims description 2
- BVQJQTMSTANITJ-UHFFFAOYSA-N tetradecylphosphonic acid Chemical compound CCCCCCCCCCCCCCP(O)(O)=O BVQJQTMSTANITJ-UHFFFAOYSA-N 0.000 claims description 2
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- NJGCRMAPOWGWMW-UHFFFAOYSA-N octylphosphonic acid Chemical compound CCCCCCCCP(O)(O)=O NJGCRMAPOWGWMW-UHFFFAOYSA-N 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 abstract description 14
- 239000000243 solution Substances 0.000 description 37
- 239000000463 material Substances 0.000 description 16
- 239000002096 quantum dot Substances 0.000 description 12
- 239000000126 substance Substances 0.000 description 11
- 150000001875 compounds Chemical class 0.000 description 9
- 238000003756 stirring Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000012299 nitrogen atmosphere Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 4
- 125000004429 atom Chemical group 0.000 description 4
- 230000005525 hole transport Effects 0.000 description 4
- 238000003917 TEM image Methods 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- CJOBVZJTOIVNNF-UHFFFAOYSA-N cadmium sulfide Chemical compound [Cd]=S CJOBVZJTOIVNNF-UHFFFAOYSA-N 0.000 description 3
- 239000011258 core-shell material Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 238000000024 high-resolution transmission electron micrograph Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000002244 precipitate Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- LZSJBLXYNYSKPJ-UHFFFAOYSA-N 9-octyl-9h-fluorene Chemical class C1=CC=C2C(CCCCCCCC)C3=CC=CC=C3C2=C1 LZSJBLXYNYSKPJ-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 239000012300 argon atmosphere Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000000295 emission spectrum Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011259 mixed solution Substances 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 230000001443 photoexcitation Effects 0.000 description 2
- 229920000553 poly(phenylenevinylene) Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000000376 reactant Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- QKZFBFSFZILINR-UHFFFAOYSA-N 3-methyl-N-[4-[4-(N-(3-methylphenyl)anilino)phenyl]phenyl]-N-phenylaniline Chemical compound CC=1C=C(C=CC1)N(C1=CC=C(C=C1)C1=CC=C(N(C2=CC=CC=C2)C2=CC(=CC=C2)C)C=C1)C1=CC=CC=C1.CC=1C=C(C=CC1)N(C1=CC=C(C=C1)C1=CC=C(N(C2=CC=CC=C2)C2=CC(=CC=C2)C)C=C1)C1=CC=CC=C1 QKZFBFSFZILINR-UHFFFAOYSA-N 0.000 description 1
- 229910016036 BaF 2 Inorganic materials 0.000 description 1
- JAURLWJCLLOQDF-UHFFFAOYSA-N C1(=CC=C(C=C1)C=1C=C(C=C(C1C1=CC=CC=C1)C(C)(C)C)C1=NNC=N1)C1=CC=CC=C1.C1(=CC=C(C=C1)C=1C=C(C=C(C1C1=CC=CC=C1)C(C)(C)C)C1=NNC=N1)C1=CC=CC=C1 Chemical compound C1(=CC=C(C=C1)C=1C=C(C=C(C1C1=CC=CC=C1)C(C)(C)C)C1=NNC=N1)C1=CC=CC=C1.C1(=CC=C(C=C1)C=1C=C(C=C(C1C1=CC=CC=C1)C(C)(C)C)C1=NNC=N1)C1=CC=CC=C1 JAURLWJCLLOQDF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000007810 chemical reaction solvent Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005516 deep trap Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- ZVDBUOGYYYNMQI-UHFFFAOYSA-N dodec-1-yne Chemical compound CCCCCCCCCCC#C ZVDBUOGYYYNMQI-UHFFFAOYSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910021476 group 6 element Inorganic materials 0.000 description 1
- 150000002366 halogen compounds Chemical class 0.000 description 1
- RBTKNAXYKSUFRK-UHFFFAOYSA-N heliogen blue Chemical compound [Cu].[N-]1C2=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=NC([N-]1)=C(C=CC=C3)C3=C1N=C([N-]1)C3=CC=CC=C3C1=N2 RBTKNAXYKSUFRK-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- LOJDCAMNNRALFJ-UHFFFAOYSA-N octylphosphonic acid Chemical compound C(CCCCCCC)P(O)(O)=O.C(CCCCCCC)P(O)(O)=O LOJDCAMNNRALFJ-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920003227 poly(N-vinyl carbazole) Polymers 0.000 description 1
- 229920000327 poly(triphenylamine) polymer Polymers 0.000 description 1
- 229920001197 polyacetylene Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920000128 polypyrrole Polymers 0.000 description 1
- 229920000123 polythiophene Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000027756 respiratory electron transport chain Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000004054 semiconductor nanocrystal Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/56—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing sulfur
- C09K11/562—Chalcogenides
- C09K11/565—Chalcogenides with zinc cadmium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
- C01G11/00—Compounds of cadmium
- C01G11/02—Sulfides
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/46—Sulfur-, selenium- or tellurium-containing compounds
- C30B29/48—AIIBVI compounds wherein A is Zn, Cd or Hg, and B is S, Se or Te
- C30B29/50—Cadmium sulfide
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/60—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape characterised by shape
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B7/00—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/80—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70
- C01P2002/84—Crystal-structural characteristics defined by measured data other than those specified in group C01P2002/70 by UV- or VIS- data
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/03—Particle morphology depicted by an image obtained by SEM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/01—Particle morphology depicted by an image
- C01P2004/04—Particle morphology depicted by an image obtained by TEM, STEM, STM or AFM
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/64—Nanometer sized, i.e. from 1-100 nanometer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices with at least one potential-jump barrier or surface barrier specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/28—Materials of the light emitting region containing only elements of group II and group VI of the periodic system
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S362/00—Illumination
- Y10S362/80—Light emitting diode
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S977/00—Nanotechnology
- Y10S977/70—Nanostructure
- Y10S977/773—Nanoparticle, i.e. structure having three dimensions of 100 nm or less
- Y10S977/775—Nanosized powder or flake, e.g. nanosized catalyst
Abstract
【解決手段】 本発明に係る半導体硫化カドミウムナノ結晶の製造方法は、カドミウム前駆体および分散剤を配位力の弱い溶媒と混合し、これを加熱してカドミウム前駆体溶液を得る段階と、硫黄前駆体を配位力の弱い溶媒に溶解して硫黄前駆体溶液を得る段階と、加熱されたカドミウム前駆体溶液に、硫黄前駆体溶液を注入して硫化カドミウム結晶を成長させる段階とを含む。
【選択図】 図6
Description
本発明の他の目的は、前記の方法によって製造された硫化カドミウムナノ結晶を提供することにある。
本発明の別の目的は、前記硫化カドミウムナノ結晶を用いて製造された有機電界発光素子(白色発光ダイオード素子)を提供することにある。
また、前記目的を達成するための本発明の他の観点によれば、前記製造方法によって製造された多重波長で発光する硫化カドミウムナノ結晶を提供する。
また、前記目的を達成するための本発明の別の観点によれば、前記硫黄カドミウムナノ結晶を用いて製作した白色発光ダイオード素子を提供する。
本発明の一つの態様は、溶媒と前駆体溶液の配位力を調節することにより、多重波長で発光する硫化カドミウムナノ結晶を製造する方法に関する。
すなわち、本発明の製造方法は、(a)カドミウム前駆体および分散剤を配位力の弱い溶媒と混合し、これを加熱してカドミウム前駆体溶液を得る段階と、(b)硫黄前駆体を配位力の弱い溶媒に溶解して硫黄前駆体溶液を得る段階と、(c)加熱された前記カドミウム前駆体溶液に前記硫黄前駆体溶液を注入して硫化カドミウム結晶を成長させる段階とを含んでなる。
前記(a)段階は、硫化カドミウム結晶を形成するためのカドミウム前駆体としてカドミウム含有化合物を分散剤とともに配位力の弱い溶媒に混合し、窒素またはアルゴン雰囲気中で一定の圧力を保ちながら、混合液中に温度勾配が発生しないように撹拌し、反応温度を上昇させることにより、均一なカドミウム前駆体溶液を製造する過程である。
前記正孔伝達層の素材としては、通常用いられる物質を使用することができ、好ましくは、ポリ(3,4−エチレンチオフェン)/ポリスチレンパラスルホン酸誘導体(poly(3, 4-ethylenediophene)/polystyrene parasulfonate derivatives)、ポリ−N−ビニルカルバゾール誘導体(poly-N-vinylcarbazole derivatives)、ポリフェニレンビニレン誘導体(polyphenylenevinylene derivatives)、ポリメタクリル酸誘導体(polymethaacrylate derivatives)、ポリ(9,9−オクチルフルオレン)誘導体(poly(9,9-octylfluorene) derivatives)、ポリトリフェニルアミン誘導体(polytriphenylamine derivatives)、N,N’−ジフェニル−N,N’−ビス(3−メチルフェニル)−(1,1’−ビフェニル)−4,4’−ジアミン(N,N'-diphenyl-N,N'-bis (3-methylphenyl)-(1,1'-biphenyl)-4,4'-diamine)などを使用することができるが、これに限定されるものではない。
前記電子伝達層の素材としては、通常用いられる物質を使用することができ、好ましくはポリオキサジアゾール(polyoxadiazole)、トリス−(8−ヒドロキシキノリン)アルミニウム(tris-(8-hydroxyquinoline)aluminum)を使用することができるが、これに限定されるものではない。
前記正孔遮断層の素材としては、通常用いられる物質を使用することができ、好ましくは3−(4−ビフェニリル)−4−フェニル−5−t−ブチルフェニル−1,2,4−トリアゾール(3-(4-biphenylyl)-4-phenyl-5-t-butylphenyl-1,2,4-triazole)などを使用することができるが、これに限定されるものではない。
前記電子注入層の素材としては、通常用いられる物質を使用することができ、好ましくはLiF、BaF2またはMgF2などを使用することができるが、これに限定されるものではない。
オクタデセン(octadecene)16gとオレイン酸2g、カドミウム前駆体としてのCdO(酸化カドミウム)0.4mmolを同時に100mLの還流コンデンサ付きフラスコに仕込み、窒素雰囲気中で圧力を一定に維持しながら、反応物がよく混合され且つ温度勾配が発生しない範囲で撹拌を行い、反応温度を300℃に上昇させた。元々赤色を帯びる酸化カドミウムの色が透明に変わるまで反応温度と撹拌速度を維持した。
Claims (24)
- (a)カドミウム前駆体および分散剤を配位力の弱い溶媒と混合し、これを加熱してカドミウム前駆体溶液を得る段階と、
(b)硫黄前駆体を配位力の弱い溶媒に溶解して硫黄前駆体溶液を得る段階と、
(c)加熱された前記カドミウム前駆体溶液に前記硫黄前駆体溶液を注入して硫化カドミウム結晶を成長させる段階とを含む、多重波長で発光する硫化カドミウムナノ結晶の製造方法。 - 前記カドミウム前駆体は、酢酸カドミウム、カドミウムアセチルアセトナート、ヨウ化カドミウム、臭化カドミウム、塩化カドミウム、フッ化カドミウム、炭酸カドミウム、硝酸カドミウム、酸化カドミウム、過塩素酸カドミウム、リン化カドミウム、硫酸カドミウム、およびこれらの組み合わせよりなる群から選択された少なくとも1種であることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記分散剤は、炭素数2〜18のアルキルカルボン酸、炭素数2〜18のアルケニルカルボン酸、炭素数2〜18のアルキルホスホン酸、炭素数2〜18のアルケニルホスホン酸、炭素数2〜18のアルキルスルホン酸、炭素数2〜18のアルケニルスルホン酸、炭素数2〜18のアルキルアミン、および炭素数2〜18のアルケニルアミンよりなる群から選択された少なくとも1種であることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記分散剤は、オレイン酸、ステアリン酸、パルミチン酸、ヘキシルホスホン酸、n−オクチルホスホン酸、テトラデシルホスホン酸、オクタデシルホスホン酸、n−オクチルアミン、ヘキサデシルアミン、およびオレイルアミンよりなる群から選択された少なくとも1種であることを特徴とする、請求項3に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記カドミウム前駆体と前記分散剤の混合比は、モルベースで1:0.1〜1:100のモル比であることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記配位力の弱い溶媒は、炭素数6〜22の1次アルキルアミン、炭素数6〜22の2次アルキルアミン、炭素数6〜22の3次アルキルアミン、炭素数6〜22の窒素含有ヘテロ環化合物、炭素数6〜22の硫黄含有へテロ環化合物、炭素数6〜22のアルカン、炭素数6〜22のアルケン、炭素数6〜22のアルキンよりなる群から選択された少なくとも1種であることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記配位力の弱い溶媒は、トリオクチルアミン、ジオクチルアミン、ドデシルアミン、ヘキサデシルアミン、ジメチルドデシルアミン、イソプロピル−2,3−ジフェニルアジリジン、ジメチルスルホラン、オクタデカン、ドデシン、およびオクタデセンよりなる群から選択された少なくとも1種であることを特徴とする、請求項6に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記カドミウム前駆体と前記配位力の弱い溶媒の混合比は、モルベースで0.1:1〜1:100であることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記カドミウム前駆体溶液の濃度は0.001M〜2Mであることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記(a)段階で前記カドミウム前駆体溶液を100℃〜400℃の範囲で加熱することを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記硫黄前駆体は、硫黄粉末、トリメチルシリルサルファー、およびアルキルチオールよりなる群から選択された少なくとも1種であることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記硫黄前駆体溶液の濃度は、0.001M〜2Mであることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記(b)段階の反応温度は室温〜100℃であることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記(c)段階の反応温度は50℃〜400℃であることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 前記(c)段階の結晶成長反応時間は1秒間〜10時間であることを特徴とする、請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法。
- 請求項1に記載の多重波長で発光する硫化カドミウムナノ結晶の製造方法によって製造された硫化カドミウムナノ結晶。
- 前記硫化カドミウムナノ結晶の大きさは1nm〜3nmであることを特徴とする、請求項16に記載の硫化カドミウムナノ結晶。
- 前記硫化カドミウムナノ結晶は、少なくとも2つ以上の波長で最大発光ピークを示すことを特徴とする、請求項16に記載の硫化カドミウムナノ結晶。
- 前記2つ以上の波長は、300nm〜800nmの範囲内に存在することを特徴とする、請求項18に記載の硫化カドミウムナノ結晶。
- 前記硫化カドミウムナノ結晶は、波長300nm〜800nmの範囲で2つ以上の発光ピークを示し、白色を発光することを特徴とする、請求項16に記載の硫化カドミウムナノ結晶。
- 前記硫化カドミウムナノ結晶の形状は、球形、棒形、トリポッド形、テトラポッド形、立方体形、ボックス形または星形であることを特徴とする、請求項16に記載の硫化カドミウムナノ結晶。
- 前記硫化カドミウムナノ結晶の大きさ分布は1〜20%であることを特徴とする、請求項16に記載の硫化カドミウムナノ結晶。
- 前記硫化カドミウムナノ結晶の硫黄に対するカドミウムの元素比率は1:1〜1:0.6であることを特徴とする、請求項16に記載の硫化カドミウムナノ結晶。
- 請求項16に記載の硫化カドミウムナノ結晶を含む白色発光ダイオード素子。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2004-0038392 | 2004-05-28 | ||
KR1020040038392A KR100621308B1 (ko) | 2004-05-28 | 2004-05-28 | 다중 파장에서 발광하는 황화 카드뮴 나노 결정의 제조방법 및 그에 의해 수득된 황화 카드뮴 나노 결정 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005336052A true JP2005336052A (ja) | 2005-12-08 |
JP5175426B2 JP5175426B2 (ja) | 2013-04-03 |
Family
ID=36074226
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005157791A Active JP5175426B2 (ja) | 2004-05-28 | 2005-05-30 | 多重波長で発光する硫化カドミウムナノ結晶の製造方法、それにより製造された硫化カドミウムナノ結晶、およびこれを用いた白色発光ダイオード素子 |
Country Status (3)
Country | Link |
---|---|
US (3) | US7468168B2 (ja) |
JP (1) | JP5175426B2 (ja) |
KR (1) | KR100621308B1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005325016A (ja) * | 2004-04-20 | 2005-11-24 | Samsung Electronics Co Ltd | 硫黄前駆体としてチオール化合物を用いた硫化金属ナノ結晶の製造方法 |
JP2007184516A (ja) * | 2006-01-03 | 2007-07-19 | Jiaotong Univ | 高分子発光ダイオード用ナノコンポジットの製造方法 |
JP2008056552A (ja) * | 2006-08-03 | 2008-03-13 | Utsunomiya Univ | 金属硫化物の製造方法、及び金属硫化物 |
JP2010535691A (ja) * | 2007-08-06 | 2010-11-25 | エージェンシー フォー サイエンス,テクノロジー アンド リサーチ | カドミウム含有ナノ結晶を形成する方法 |
CN102107904A (zh) * | 2011-03-11 | 2011-06-29 | 同济大学 | 一种非模板法制备硫化镉、硫化锌空心纳米方块的方法 |
JP2011194562A (ja) * | 2010-03-22 | 2011-10-06 | Samsung Electronics Co Ltd | 量子ドットの製造方法 |
CN104638034A (zh) * | 2015-02-13 | 2015-05-20 | 中国科学院重庆绿色智能技术研究院 | 一种柔性薄膜太阳能电池 |
CN112897575A (zh) * | 2019-12-03 | 2021-06-04 | 中国科学院深圳先进技术研究院 | 基底上大面积形成二维硫化镉的方法与结构 |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100621308B1 (ko) * | 2004-05-28 | 2006-09-14 | 삼성전자주식회사 | 다중 파장에서 발광하는 황화 카드뮴 나노 결정의 제조방법 및 그에 의해 수득된 황화 카드뮴 나노 결정 |
US7850943B2 (en) * | 2004-05-28 | 2010-12-14 | Samsung Electronics Co., Ltd. | Method of preparing cadmium sulfide nanocrystals emitting light at multiple wavelengths, and cadmium sulfide nanocrystals prepared by the method |
US20080044340A1 (en) * | 2004-06-10 | 2008-02-21 | Ohio University | Method for Producing Highly Monodisperse Quantum Dots |
WO2007067257A2 (en) * | 2005-12-02 | 2007-06-14 | Vanderbilt University | Broad-emission nanocrystals and methods of making and using same |
TWI342866B (en) * | 2005-12-30 | 2011-06-01 | Ind Tech Res Inst | Nanowires and a method of the same |
WO2008063658A2 (en) * | 2006-11-21 | 2008-05-29 | Qd Vision, Inc. | Semiconductor nanocrystals and compositions and devices including same |
WO2008063653A1 (en) | 2006-11-21 | 2008-05-29 | Qd Vision, Inc. | Semiconductor nanocrystals and compositions and devices including same |
WO2008063652A1 (en) | 2006-11-21 | 2008-05-29 | Qd Vision, Inc. | Blue emitting semiconductor nanocrystals and compositions and devices including same |
KR100907469B1 (ko) * | 2007-10-12 | 2009-07-13 | 고려대학교 산학협력단 | 백색발광 황화카드뮴 나노입자 조성물의 제조방법,그로부터 제조된 백색발광 황화카드뮴 나노입자 조성물 및이를 사용하여 제작된 백색발광소자 |
WO2009123763A2 (en) | 2008-04-03 | 2009-10-08 | Qd Vision, Inc. | Light-emitting device including quantum dots |
US9525148B2 (en) | 2008-04-03 | 2016-12-20 | Qd Vision, Inc. | Device including quantum dots |
WO2010017634A1 (en) * | 2008-08-12 | 2010-02-18 | National Research Council Of Canada | Colloidal nanocrystal ensembles with narrow linewidth band gap photoluminescence and methods of synthesizing colloidal semiconductor nanocrystals |
KR101014861B1 (ko) * | 2008-12-12 | 2011-02-15 | 포항공과대학교 산학협력단 | 양자점 덴드리머 및 그의 합성방법 |
KR101480511B1 (ko) | 2008-12-19 | 2015-01-08 | 삼성전자 주식회사 | 금속-계면활성제층으로 코팅된 나노 결정의 제조 방법 |
US20110049442A1 (en) * | 2009-03-31 | 2011-03-03 | Schreuder Michael A | Surface structures for enhancement of quantum yield in broad spectrum emission nanocrystals |
CN101811731B (zh) * | 2010-04-08 | 2011-06-15 | 洛阳师范学院 | 一种q态硫化镉纳米粒子的制备方法 |
CN102275870B (zh) * | 2010-06-12 | 2014-03-12 | 国家纳米科学中心 | 水溶性硫化镉纳米棒和纳米异质结构及其制备方法 |
EP2675618B1 (en) | 2011-02-17 | 2018-07-04 | Vanderbilt University | Enhancement of light emission quantum yield in treated broad spectrum nanocrystals |
RU2466094C1 (ru) * | 2011-04-06 | 2012-11-10 | Государственное образовательное учреждение высшего профессионального образования "Томский государственный университет" (ТГУ) | Способ получения стабильного коллоидного раствора наночастиц сульфида кадмия в среде акриловых мономеров |
CN103466689A (zh) * | 2013-09-17 | 2013-12-25 | 北京科技大学 | 一种采用自模板法制备纳米环状硫化镉光催化材料的方法 |
CN103633216A (zh) * | 2013-11-07 | 2014-03-12 | 成都昊地科技有限责任公司 | 一种新型硫化镉薄膜及其生长方法 |
CN103803637B (zh) * | 2014-01-27 | 2016-05-11 | 湖北大学 | 一种CdS量子点的制备方法 |
KR102520462B1 (ko) * | 2015-08-27 | 2023-04-12 | 울산과학기술원 | GaP 콜로이드 양자점의 제조방법 |
CN106219595B (zh) * | 2016-07-05 | 2017-11-21 | 陕西科技大学 | 一种沉淀法制备Sm(OH)3/CdS纳米复合物的方法 |
CN106653969B (zh) * | 2016-11-18 | 2018-11-13 | 南昌航空大学 | 梯度合金量子点的制备及该量子点在qled器件的应用 |
CN110801851B (zh) * | 2019-09-09 | 2022-09-09 | 杭州电子科技大学 | 黑磷纳米片/硫化镉光催化固氮催化剂的制备方法和应用 |
CN112897574A (zh) * | 2019-12-03 | 2021-06-04 | 中国科学院深圳先进技术研究院 | 纳米颗粒硫化镉材料的制备方法与结构 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002316817A (ja) * | 2001-04-18 | 2002-10-31 | Mitsubishi Chemicals Corp | 硫化カドミウム超微粒子及びその製造方法 |
JP2002321916A (ja) * | 2001-04-27 | 2002-11-08 | Mitsubishi Chemicals Corp | 硫化カドミウム超微粒子及びその製造方法 |
JP2003160336A (ja) * | 2001-11-22 | 2003-06-03 | Mitsubishi Chemicals Corp | 化合物半導体超微粒子の製造方法 |
JP2004510678A (ja) * | 2000-10-04 | 2004-04-08 | ザ ボード オブ トラスティーズ オブ ザ ユニバーシティ オブ アーカンソー | コロイドナノ結晶の合成 |
JP2005521755A (ja) * | 2001-07-30 | 2005-07-21 | ザ ボード オブ トラスティーズ オブ ザ ユニヴァーシティー オブ アーカンソー | 高品質のコロイドナノ結晶、及び非配位性溶媒中におけるそれの調製方法 |
JP2005325016A (ja) * | 2004-04-20 | 2005-11-24 | Samsung Electronics Co Ltd | 硫黄前駆体としてチオール化合物を用いた硫化金属ナノ結晶の製造方法 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2754544B1 (fr) * | 1996-10-10 | 1998-11-06 | Lorraine Laminage | Tole aluminiee a faible emissivite |
US6322901B1 (en) * | 1997-11-13 | 2001-11-27 | Massachusetts Institute Of Technology | Highly luminescent color-selective nano-crystalline materials |
US6225198B1 (en) * | 2000-02-04 | 2001-05-01 | The Regents Of The University Of California | Process for forming shaped group II-VI semiconductor nanocrystals, and product formed using process |
US6306736B1 (en) * | 2000-02-04 | 2001-10-23 | The Regents Of The University Of California | Process for forming shaped group III-V semiconductor nanocrystals, and product formed using process |
KR100372752B1 (ko) | 2000-05-18 | 2003-02-17 | 한국과학기술원 | 황화카드뮴 막의 제조방법 및 장치 |
KR100657891B1 (ko) * | 2003-07-19 | 2006-12-14 | 삼성전자주식회사 | 반도체 나노결정 및 그 제조방법 |
KR100621308B1 (ko) * | 2004-05-28 | 2006-09-14 | 삼성전자주식회사 | 다중 파장에서 발광하는 황화 카드뮴 나노 결정의 제조방법 및 그에 의해 수득된 황화 카드뮴 나노 결정 |
KR100853087B1 (ko) * | 2007-04-26 | 2008-08-19 | 삼성전자주식회사 | 나노결정, 그의 제조방법 및 그를 포함하는 전자소자 |
-
2004
- 2004-05-28 KR KR1020040038392A patent/KR100621308B1/ko active IP Right Grant
- 2004-12-03 US US11/002,490 patent/US7468168B2/en active Active
-
2005
- 2005-05-30 JP JP2005157791A patent/JP5175426B2/ja active Active
-
2008
- 2008-07-22 US US12/219,434 patent/US7658905B2/en active Active
-
2009
- 2009-07-01 US US12/496,243 patent/US7862796B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004510678A (ja) * | 2000-10-04 | 2004-04-08 | ザ ボード オブ トラスティーズ オブ ザ ユニバーシティ オブ アーカンソー | コロイドナノ結晶の合成 |
JP2002316817A (ja) * | 2001-04-18 | 2002-10-31 | Mitsubishi Chemicals Corp | 硫化カドミウム超微粒子及びその製造方法 |
JP2002321916A (ja) * | 2001-04-27 | 2002-11-08 | Mitsubishi Chemicals Corp | 硫化カドミウム超微粒子及びその製造方法 |
JP2005521755A (ja) * | 2001-07-30 | 2005-07-21 | ザ ボード オブ トラスティーズ オブ ザ ユニヴァーシティー オブ アーカンソー | 高品質のコロイドナノ結晶、及び非配位性溶媒中におけるそれの調製方法 |
JP2003160336A (ja) * | 2001-11-22 | 2003-06-03 | Mitsubishi Chemicals Corp | 化合物半導体超微粒子の製造方法 |
JP2005325016A (ja) * | 2004-04-20 | 2005-11-24 | Samsung Electronics Co Ltd | 硫黄前駆体としてチオール化合物を用いた硫化金属ナノ結晶の製造方法 |
Non-Patent Citations (1)
Title |
---|
JPN6011044539; R. Comparelli et al.: 'Improved optical properties of CdS quantum dots by ligand exchange' Materials Science and Engineering: C Vol.23 No.6-8, 20031215, Page.1083-1086 * |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005325016A (ja) * | 2004-04-20 | 2005-11-24 | Samsung Electronics Co Ltd | 硫黄前駆体としてチオール化合物を用いた硫化金属ナノ結晶の製造方法 |
JP2007184516A (ja) * | 2006-01-03 | 2007-07-19 | Jiaotong Univ | 高分子発光ダイオード用ナノコンポジットの製造方法 |
JP2008056552A (ja) * | 2006-08-03 | 2008-03-13 | Utsunomiya Univ | 金属硫化物の製造方法、及び金属硫化物 |
JP2010535691A (ja) * | 2007-08-06 | 2010-11-25 | エージェンシー フォー サイエンス,テクノロジー アンド リサーチ | カドミウム含有ナノ結晶を形成する方法 |
JP2011194562A (ja) * | 2010-03-22 | 2011-10-06 | Samsung Electronics Co Ltd | 量子ドットの製造方法 |
CN102107904A (zh) * | 2011-03-11 | 2011-06-29 | 同济大学 | 一种非模板法制备硫化镉、硫化锌空心纳米方块的方法 |
CN102107904B (zh) * | 2011-03-11 | 2012-06-06 | 同济大学 | 一种非模板法制备硫化镉、硫化锌空心纳米方块的方法 |
CN104638034A (zh) * | 2015-02-13 | 2015-05-20 | 中国科学院重庆绿色智能技术研究院 | 一种柔性薄膜太阳能电池 |
CN112897575A (zh) * | 2019-12-03 | 2021-06-04 | 中国科学院深圳先进技术研究院 | 基底上大面积形成二维硫化镉的方法与结构 |
Also Published As
Publication number | Publication date |
---|---|
US7862796B2 (en) | 2011-01-04 |
KR20050112939A (ko) | 2005-12-01 |
US20090267050A1 (en) | 2009-10-29 |
JP5175426B2 (ja) | 2013-04-03 |
US20080311029A1 (en) | 2008-12-18 |
US7468168B2 (en) | 2008-12-23 |
US7658905B2 (en) | 2010-02-09 |
KR100621308B1 (ko) | 2006-09-14 |
US20060062720A1 (en) | 2006-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5175426B2 (ja) | 多重波長で発光する硫化カドミウムナノ結晶の製造方法、それにより製造された硫化カドミウムナノ結晶、およびこれを用いた白色発光ダイオード素子 | |
JP4933723B2 (ja) | 合金形態の半導体結晶、その製造方法及び有機電界発光素子 | |
JP4800006B2 (ja) | 多層構造のナノ結晶およびその製造方法 | |
US10975301B2 (en) | Method for synthesizing core shell nanocrystals at high temperatures | |
KR100853087B1 (ko) | 나노결정, 그의 제조방법 및 그를 포함하는 전자소자 | |
JP4928071B2 (ja) | 半導体ナノ結晶の量子効率向上方法、半導体ナノ結晶および有機電気発光素子 | |
US8309170B2 (en) | Multilayer nanocrystal structure and method for producing the same | |
KR101738551B1 (ko) | 반도체 나노 결정 | |
JP5602104B2 (ja) | 多層構造のナノ結晶およびその製造方法 | |
US20100289003A1 (en) | Making colloidal ternary nanocrystals | |
Singh et al. | Magic-sized CdSe nanoclusters: a review on synthesis, properties and white light potential | |
US10202545B2 (en) | Interfused nanocrystals and method of preparing the same | |
KR20190058023A (ko) | CsPbBr3/PbSe 나노 복합체 합성 | |
US7850943B2 (en) | Method of preparing cadmium sulfide nanocrystals emitting light at multiple wavelengths, and cadmium sulfide nanocrystals prepared by the method | |
JP2011131350A (ja) | ナノ結晶の製造方法 | |
WO2018135434A1 (ja) | 可視蛍光を発するCdを含まないコロイダル量子ドット及びその製造方法 | |
Chung | Foundations of White Light Quantum Dots |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20050906 |
|
RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20070119 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20080318 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20101008 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101019 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110113 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110830 |
|
A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20111130 |
|
A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20111205 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20111228 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120821 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20121121 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20121218 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130107 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5175426 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |