JP4933723B2 - 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 - Google Patents
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 Download PDFInfo
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- JP4933723B2 JP4933723B2 JP2004206818A JP2004206818A JP4933723B2 JP 4933723 B2 JP4933723 B2 JP 4933723B2 JP 2004206818 A JP2004206818 A JP 2004206818A JP 2004206818 A JP2004206818 A JP 2004206818A JP 4933723 B2 JP4933723 B2 JP 4933723B2
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- 239000004065 semiconductor Substances 0.000 title claims description 34
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000002243 precursor Substances 0.000 claims description 104
- 229910052751 metal Inorganic materials 0.000 claims description 63
- 239000002184 metal Substances 0.000 claims description 63
- 229910052798 chalcogen Inorganic materials 0.000 claims description 58
- 239000013078 crystal Substances 0.000 claims description 39
- 238000000034 method Methods 0.000 claims description 39
- 239000002904 solvent Substances 0.000 claims description 39
- 239000002270 dispersing agent Substances 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 13
- 238000002156 mixing Methods 0.000 claims description 13
- 150000002739 metals Chemical class 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 10
- 239000000126 substance Substances 0.000 claims description 10
- 238000009826 distribution Methods 0.000 claims description 9
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 7
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 6
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 6
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 6
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 6
- 239000005642 Oleic acid Substances 0.000 claims description 6
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 6
- XTAZYLNFDRKIHJ-UHFFFAOYSA-N n,n-dioctyloctan-1-amine Chemical group CCCCCCCCN(CCCCCCCC)CCCCCCCC XTAZYLNFDRKIHJ-UHFFFAOYSA-N 0.000 claims description 6
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid group Chemical group C(CCCCCCC\C=C/CCCCCCCC)(=O)O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 6
- 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 group [O-2].[Cd+2] CFEAAQFZALKQPA-UHFFFAOYSA-N 0.000 claims description 5
- 238000000295 emission spectrum Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 230000001443 photoexcitation Effects 0.000 claims description 5
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 4
- LHQLJMJLROMYRN-UHFFFAOYSA-L cadmium acetate Chemical compound [Cd+2].CC([O-])=O.CC([O-])=O LHQLJMJLROMYRN-UHFFFAOYSA-L 0.000 claims description 4
- NHXVNEDMKGDNPR-UHFFFAOYSA-N zinc;pentane-2,4-dione Chemical compound [Zn+2].CC(=O)[CH-]C(C)=O.CC(=O)[CH-]C(C)=O NHXVNEDMKGDNPR-UHFFFAOYSA-N 0.000 claims description 4
- RMZAYIKUYWXQPB-UHFFFAOYSA-N trioctylphosphane Chemical compound CCCCCCCCP(CCCCCCCC)CCCCCCCC RMZAYIKUYWXQPB-UHFFFAOYSA-N 0.000 claims description 3
- 238000005401 electroluminescence Methods 0.000 claims description 2
- 239000012044 organic layer Substances 0.000 claims 1
- 239000000243 solution Substances 0.000 description 63
- 239000002159 nanocrystal Substances 0.000 description 31
- 239000000463 material Substances 0.000 description 24
- 150000001875 compounds Chemical class 0.000 description 23
- 239000004054 semiconductor nanocrystal Substances 0.000 description 23
- 239000002096 quantum dot Substances 0.000 description 14
- 125000004432 carbon atom Chemical group C* 0.000 description 10
- 239000011669 selenium Substances 0.000 description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 9
- 150000003973 alkyl amines Chemical class 0.000 description 9
- 229910052793 cadmium Inorganic materials 0.000 description 9
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 7
- -1 carbon carboxylic acids Chemical class 0.000 description 7
- 239000010408 film Substances 0.000 description 7
- 230000005525 hole transport Effects 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000000103 photoluminescence spectrum Methods 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- MJNSMKHQBIVKHV-UHFFFAOYSA-N selenium;trioctylphosphane Chemical compound [Se].CCCCCCCCP(CCCCCCCC)CCCCCCCC MJNSMKHQBIVKHV-UHFFFAOYSA-N 0.000 description 6
- 238000005119 centrifugation Methods 0.000 description 5
- 239000000843 powder Substances 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 238000001308 synthesis method Methods 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 description 3
- 150000001336 alkenes Chemical class 0.000 description 3
- 150000001345 alkine derivatives Chemical class 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 239000007810 chemical reaction solvent Substances 0.000 description 3
- 238000001194 electroluminescence spectrum Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000012808 vapor phase Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- FJLUATLTXUNBOT-UHFFFAOYSA-N 1-Hexadecylamine Chemical compound CCCCCCCCCCCCCCCCN FJLUATLTXUNBOT-UHFFFAOYSA-N 0.000 description 2
- 229910004613 CdTe Inorganic materials 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 229910007709 ZnTe Inorganic materials 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- KPWJBEFBFLRCLH-UHFFFAOYSA-L cadmium bromide Chemical compound Br[Cd]Br KPWJBEFBFLRCLH-UHFFFAOYSA-L 0.000 description 2
- YKYOUMDCQGMQQO-UHFFFAOYSA-L cadmium dichloride Chemical compound Cl[Cd]Cl YKYOUMDCQGMQQO-UHFFFAOYSA-L 0.000 description 2
- OKIIEJOIXGHUKX-UHFFFAOYSA-L cadmium iodide Chemical compound [Cd+2].[I-].[I-] OKIIEJOIXGHUKX-UHFFFAOYSA-L 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- IPCSVZSSVZVIGE-UHFFFAOYSA-N hexadecanoic acid Chemical compound CCCCCCCCCCCCCCCC(O)=O IPCSVZSSVZVIGE-UHFFFAOYSA-N 0.000 description 2
- 229910052753 mercury Inorganic materials 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 229910052711 selenium Inorganic materials 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 229910052714 tellurium Inorganic materials 0.000 description 2
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- VNDYJBBGRKZCSX-UHFFFAOYSA-L zinc bromide Chemical compound Br[Zn]Br VNDYJBBGRKZCSX-UHFFFAOYSA-L 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- BHHYHSUAOQUXJK-UHFFFAOYSA-L zinc fluoride Chemical compound F[Zn]F BHHYHSUAOQUXJK-UHFFFAOYSA-L 0.000 description 2
- UAYWVJHJZHQCIE-UHFFFAOYSA-L zinc iodide Chemical compound I[Zn]I UAYWVJHJZHQCIE-UHFFFAOYSA-L 0.000 description 2
- ONDPHDOFVYQSGI-UHFFFAOYSA-N zinc nitrate Chemical compound [Zn+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ONDPHDOFVYQSGI-UHFFFAOYSA-N 0.000 description 2
- TZRNHZPZYFPUOH-UHFFFAOYSA-N $l^{1}-selanyl(trimethyl)silane Chemical compound C[Si](C)(C)[Se] TZRNHZPZYFPUOH-UHFFFAOYSA-N 0.000 description 1
- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 1
- DOBUSJIVSSJEDA-UHFFFAOYSA-L 1,3-dioxa-2$l^{6}-thia-4-mercuracyclobutane 2,2-dioxide Chemical compound [Hg+2].[O-]S([O-])(=O)=O DOBUSJIVSSJEDA-UHFFFAOYSA-L 0.000 description 1
- NLECPILJYUVNEH-UHFFFAOYSA-N 1-[octoxy(octyl)phosphoryl]oxyoctane Chemical compound CCCCCCCCOP(=O)(CCCCCCCC)OCCCCCCCC NLECPILJYUVNEH-UHFFFAOYSA-N 0.000 description 1
- XXKRKYCPIGXMAM-UHFFFAOYSA-N 1-methyl-3-(2-phenylphenyl)benzene Chemical group CC1=CC=CC(C=2C(=CC=CC=2)C=2C=CC=CC=2)=C1 XXKRKYCPIGXMAM-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- WKFQMDFSDQFAIC-UHFFFAOYSA-N 2,4-dimethylthiolane 1,1-dioxide Chemical compound CC1CC(C)S(=O)(=O)C1 WKFQMDFSDQFAIC-UHFFFAOYSA-N 0.000 description 1
- IGPFOKFDBICQMC-UHFFFAOYSA-N 3-phenylmethoxyaniline Chemical compound NC1=CC=CC(OCC=2C=CC=CC=2)=C1 IGPFOKFDBICQMC-UHFFFAOYSA-N 0.000 description 1
- 229910016036 BaF 2 Inorganic materials 0.000 description 1
- KOZMQZKVJXMNQY-UHFFFAOYSA-N C(CCCCCCC)N.C(CCCCCCCCCCCCCCCCC)P(O)(O)=O Chemical compound C(CCCCCCC)N.C(CCCCCCCCCCCCCCCCC)P(O)(O)=O KOZMQZKVJXMNQY-UHFFFAOYSA-N 0.000 description 1
- QVJAEHWIKHNTSX-UHFFFAOYSA-N C[Si](C)(C)[S] Chemical compound C[Si](C)(C)[S] QVJAEHWIKHNTSX-UHFFFAOYSA-N 0.000 description 1
- 235000021314 Palmitic acid Nutrition 0.000 description 1
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 241001455273 Tetrapoda Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- FMRLDPWIRHBCCC-UHFFFAOYSA-L Zinc carbonate Chemical compound [Zn+2].[O-]C([O-])=O FMRLDPWIRHBCCC-UHFFFAOYSA-L 0.000 description 1
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 description 1
- WRYNUJYAXVDTCB-UHFFFAOYSA-M acetyloxymercury Chemical compound CC(=O)O[Hg] WRYNUJYAXVDTCB-UHFFFAOYSA-M 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- RZJRJXONCZWCBN-UHFFFAOYSA-N alpha-octadecene Natural products CCCCCCCCCCCCCCCCCC RZJRJXONCZWCBN-UHFFFAOYSA-N 0.000 description 1
- 229910000011 cadmium carbonate Inorganic materials 0.000 description 1
- LVEULQCPJDDSLD-UHFFFAOYSA-L cadmium fluoride Chemical compound F[Cd]F LVEULQCPJDDSLD-UHFFFAOYSA-L 0.000 description 1
- 229940075417 cadmium iodide Drugs 0.000 description 1
- XIEPJMXMMWZAAV-UHFFFAOYSA-N cadmium nitrate Inorganic materials [Cd+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XIEPJMXMMWZAAV-UHFFFAOYSA-N 0.000 description 1
- QCUOBSQYDGUHHT-UHFFFAOYSA-L cadmium sulfate Chemical compound [Cd+2].[O-]S([O-])(=O)=O QCUOBSQYDGUHHT-UHFFFAOYSA-L 0.000 description 1
- 229910000331 cadmium sulfate Inorganic materials 0.000 description 1
- GKDXQAKPHKQZSC-UHFFFAOYSA-L cadmium(2+);carbonate Chemical compound [Cd+2].[O-]C([O-])=O GKDXQAKPHKQZSC-UHFFFAOYSA-L 0.000 description 1
- 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 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- RCTYPNKXASFOBE-UHFFFAOYSA-M chloromercury Chemical compound [Hg]Cl RCTYPNKXASFOBE-UHFFFAOYSA-M 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000011258 core-shell material Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- VFFDVELHRCMPLY-UHFFFAOYSA-N dimethyldodecyl amine Natural products CC(C)CCCCCCCCCCCN VFFDVELHRCMPLY-UHFFFAOYSA-N 0.000 description 1
- LAWOZCWGWDVVSG-UHFFFAOYSA-N dioctylamine Chemical compound CCCCCCCCNCCCCCCCC LAWOZCWGWDVVSG-UHFFFAOYSA-N 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 229910001849 group 12 element Inorganic materials 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- GJWAEWLHSDGBGG-UHFFFAOYSA-N hexylphosphonic acid Chemical compound CCCCCCP(O)(O)=O GJWAEWLHSDGBGG-UHFFFAOYSA-N 0.000 description 1
- 238000002173 high-resolution transmission electron microscopy Methods 0.000 description 1
- DLINORNFHVEIFE-UHFFFAOYSA-N hydrogen peroxide;zinc Chemical compound [Zn].OO DLINORNFHVEIFE-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- NGYIMTKLQULBOO-UHFFFAOYSA-L mercury dibromide Chemical compound Br[Hg]Br NGYIMTKLQULBOO-UHFFFAOYSA-L 0.000 description 1
- FQGYCXFLEQVDJQ-UHFFFAOYSA-N mercury dicyanide Chemical compound N#C[Hg]C#N FQGYCXFLEQVDJQ-UHFFFAOYSA-N 0.000 description 1
- 229910001987 mercury nitrate Inorganic materials 0.000 description 1
- 229910000474 mercury oxide Inorganic materials 0.000 description 1
- 229910000370 mercury sulfate Inorganic materials 0.000 description 1
- SCTINZGZNJKWBN-UHFFFAOYSA-M mercury(1+);fluoride Chemical compound [Hg]F SCTINZGZNJKWBN-UHFFFAOYSA-M 0.000 description 1
- QKEOZZYXWAIQFO-UHFFFAOYSA-M mercury(1+);iodide Chemical compound [Hg]I QKEOZZYXWAIQFO-UHFFFAOYSA-M 0.000 description 1
- UKWHYYKOEPRTIC-UHFFFAOYSA-N mercury(ii) oxide Chemical compound [Hg]=O UKWHYYKOEPRTIC-UHFFFAOYSA-N 0.000 description 1
- 150000002736 metal compounds Chemical class 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- YWFWDNVOPHGWMX-UHFFFAOYSA-N n,n-dimethyldodecan-1-amine Chemical compound CCCCCCCCCCCCN(C)C YWFWDNVOPHGWMX-UHFFFAOYSA-N 0.000 description 1
- WQEPLUUGTLDZJY-UHFFFAOYSA-N n-Pentadecanoic acid Natural products CCCCCCCCCCCCCCC(O)=O WQEPLUUGTLDZJY-UHFFFAOYSA-N 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- DRXYRSRECMWYAV-UHFFFAOYSA-N nitrooxymercury Chemical compound [Hg+].[O-][N+]([O-])=O DRXYRSRECMWYAV-UHFFFAOYSA-N 0.000 description 1
- RZJRJXONCZWCBN-NJFSPNSNSA-N octadecane Chemical group CCCCCCCCCCCCCCCCC[14CH3] RZJRJXONCZWCBN-NJFSPNSNSA-N 0.000 description 1
- 229940038384 octadecane Drugs 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadecene Natural products CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 1
- NJGCRMAPOWGWMW-UHFFFAOYSA-N octylphosphonic acid Chemical compound CCCCCCCCP(O)(O)=O NJGCRMAPOWGWMW-UHFFFAOYSA-N 0.000 description 1
- 235000021313 oleic acid Nutrition 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- HSAJRDKFYZAGLU-UHFFFAOYSA-M perchloryloxymercury Chemical compound [Hg+].[O-]Cl(=O)(=O)=O HSAJRDKFYZAGLU-UHFFFAOYSA-M 0.000 description 1
- NMHMNPHRMNGLLB-UHFFFAOYSA-N phloretic acid Chemical compound OC(=O)CCC1=CC=C(O)C=C1 NMHMNPHRMNGLLB-UHFFFAOYSA-N 0.000 description 1
- 238000005424 photoluminescence Methods 0.000 description 1
- IEQIEDJGQAUEQZ-UHFFFAOYSA-N phthalocyanine Chemical compound N1C(N=C2C3=CC=CC=C3C(N=C3C4=CC=CC=C4C(=N4)N3)=N2)=C(C=CC=C2)C2=C1N=C1C2=CC=CC=C2C4=N1 IEQIEDJGQAUEQZ-UHFFFAOYSA-N 0.000 description 1
- 229920000553 poly(phenylenevinylene) 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
- 230000001737 promoting effect Effects 0.000 description 1
- 238000001350 scanning transmission electron microscopy Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- FMICIFTYQIFPIM-UHFFFAOYSA-N tetradecylphosphonic acid Chemical compound C(CCCCCCCCCCCCC)P(O)(O)=O.C(CCCCCCCCCCCCC)P(O)(O)=O FMICIFTYQIFPIM-UHFFFAOYSA-N 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
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 239000004246 zinc acetate Substances 0.000 description 1
- 229940102001 zinc bromide Drugs 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 235000004416 zinc carbonate Nutrition 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- GTLDTDOJJJZVBW-UHFFFAOYSA-N zinc cyanide Chemical compound [Zn+2].N#[C-].N#[C-] GTLDTDOJJJZVBW-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229940105296 zinc peroxide Drugs 0.000 description 1
- NWONKYPBYAMBJT-UHFFFAOYSA-L zinc sulfate Chemical compound [Zn+2].[O-]S([O-])(=O)=O NWONKYPBYAMBJT-UHFFFAOYSA-L 0.000 description 1
- 229910000368 zinc sulfate Inorganic materials 0.000 description 1
- 229960001763 zinc sulfate Drugs 0.000 description 1
- RXBXBWBHKPGHIB-UHFFFAOYSA-L zinc;diperchlorate Chemical compound [Zn+2].[O-]Cl(=O)(=O)=O.[O-]Cl(=O)(=O)=O RXBXBWBHKPGHIB-UHFFFAOYSA-L 0.000 description 1
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
- C09K11/88—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing selenium, tellurium or unspecified chalcogen elements
- C09K11/881—Chalcogenides
- C09K11/883—Chalcogenides with zinc or cadmium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
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Description
まず、1種以上の12族金属または1種以上の12族金属前駆体を分散剤及び溶媒と混合し、これを所定温度範囲となるように加熱して12族金属前駆体溶液を得る。
前記12族金属前駆体溶液の濃度は0.001ないし2Mであり、望ましくは0.005ないし0.5Mであり、さらに望ましくは0.01ないし0.1Mである。
前記16族元素としては、硫黄(S)、セレン(Se)、テルル(Te)またはその混合物を使用し、16族元素前駆体としては硫黄粉末、セレン粉末、テルル粉末またはトリメチルシリル硫黄(S(TMS(TriMethylSilyl)))、トリメチルシリルセレン(Se(TMS))、トリメチルシリルテルル(Te(TMS))を使用する。
前記16族元素前駆体溶液の濃度は0.001ないし2Mであり、望ましくは0.01ないし0.5Mである。前記16族元素前駆体溶液の濃度が0.01M未満の場合、ナノ結晶を反応溶液から分離するのが困難であるので望ましくなく、逆に、0.5Mを超えた場合には、結晶のサイズの分布が広くなって望ましくない。
第一の方法は、2種以上の16族元素またはその前駆体を含有する2以上の前駆体溶液をそれぞれ製造し、複数の16族元素前駆体溶液を12族金属前駆体溶液に同時に添加する方法である。
第二の方法は、2種以上の16族元素前駆体を含有する2以上の前駆体溶液をそれぞれ製造し、これらを12族金属前駆体溶液に順次に添加する方法である。
第二の方法は、1種以上の12族金属前駆体を含有する前駆体溶液をそれぞれ製造し、この前駆体溶液を16族元素前駆体溶液に同時に添加する。
前記正孔輸送層の素材としては、正孔輸送層の素材として一般的に使用される物質を使用でき、望ましくはポリトリフェニルアミンを使用できるが、これに限定されない。
前記ホールブロッキング層の素材としては、ホールブロッキング層の素材として一般的に使用される物質を使用でき、望ましくはLiF、BaF2またはMgF2などを使用できるが、これに限定されない。
以下、本発明を下記実施例をさらに詳細に説明するものの、本発明が下記実施例のみに限定されるものではない。
トリオクチルアミン(Trioctylamine、以下、TOA)16gと、オレイン酸0.5gと、酸化カドミウム0.4mmolとを同時に、還流コンデンサー(還流冷却器)が設置されている100mlのフラスコに入れ、これを攪拌しながら反応温度を300℃に調節してカドミウム前駆体溶液を形成した。
TOA16gとオレイン酸0.5g、アセチルアセトン酸亜鉛0.2mmolと酸化カドミウム0.2mmolを同時に還流コンデンサーが設置された100mlのフラスコに入れ、これを攪拌しながら反応温度を300℃に調節して亜鉛とカドミウムとの前駆体溶液を作った。
TOA16gとオレイン酸0.5g、酢酸カドミウム0.4mmolを同時に還流コンデンサーが設置された100mlのフラスコに入れ、これを攪拌しながら反応温度を300℃に調節してカドミウム前駆体溶液を作った。
この実施例は、前記実施例1で得たCdSeSナノ結晶をEL(Electroluminescence;電界発光)素子の発光素材として採用した有機EL素子の製作を示すものである。
Claims (11)
- (a)1種以上の12族金属前駆体を分散剤及び溶媒と混合し、これを加熱して12族金属前駆体溶液を得る段階と、
(b)1種以上の16族元素前駆体をこれと配位可能な溶媒に溶解して16族元素前駆体溶液を得る段階と、
(c)前記1種以上の12族金属前駆体溶液と1種以上の16族元素前駆体溶液とを混合して反応させた後、結晶を成長させる段階と、を含み、
前記(a)12族金属前駆体溶液を得る段階において1種の12族金属前駆体を分散剤及び溶媒と混合した場合には、前記(b)段階で少なくとも2種以上の16族元素前駆体をこれと配位可能な溶媒に溶解して少なくとも2種以上の16族元素前駆体溶液を得て、
前記(a)12族金属前駆体溶液を得る段階において2種の12族金属前駆体を分散剤及び溶媒と混合した場合には、前記(b)段階で少なくとも1種以上の16族元素前駆体をこれと配位可能な溶媒に溶解して少なくとも1種以上の16族元素前駆体溶液を得て、
前記(c)段階において、成長させた前記結晶は1種以上の12族金属と、1種以上の16族元素とより構成される3成分系以上の合金形態を有し、前記結晶のサイズ分布を表す光励起発光スペクトルの半値幅が50nm以下、かつ、発光効率が30%以上であり、
前記12族金属前駆体は、酸化カドミウム、酢酸カドミウム、アセチルアセトン酸亜鉛、またはその混合物であり、
前記分散剤は、オレイン酸であり、
前記12族金属前駆体と前記分散剤の混合比は1:0.1から1:100モル比であり、
前記溶媒は、トリオクチルアミン、またはトリオクチルホスフィンであり、
前記12族金属前駆体溶液の濃度は0.001Mないし2Mであり、
前記16族元素前駆体は、硫黄粉末、またはセレン粉末であり、
前記16族元素前駆体溶液の濃度は0.001Mないし2Mであり、
前記16族元素前駆体溶液と溶媒との混合比は0.1:1ないし1:100モル比である、
ことを特徴とする半導体結晶の製造方法。 - 前記(b)段階の前駆体として2種以上の16族元素前駆体を使用する場合、
前記(c)段階において、前記12族金属前駆体溶液に前記2種以上の16族元素前駆体溶液を同時に添加するか、または順次に添加することを特徴とする請求項1に記載の半導体結晶の製造方法。 - 前記(a)段階において、加熱が100ないし400℃で実施されることを特徴とする請求項1に記載の半導体結晶の製造方法。
- 前記(c)段階において、反応温度を50℃ないし400℃で反応させることを特徴とする請求項1に記載の半導体結晶の製造方法。
- 前記結晶成長させる時間が1秒ないし10時間であることを特徴とする請求項1に記載の半導体結晶の製造方法。
- 請求項1に記載の半導体結晶の製造方法によって製造され、1種以上の12族金属と、1種以上の16族元素とより構成される3成分系以上の合金形態の半導体結晶。
- ZnSSe、CdSSe、ZnCdS、ZnCdSe、またはZnCdSSeであることを特徴とする請求項6に記載の半導体結晶。
- 前記半導体結晶が球型、棒型、または立方体型であることを特徴とする請求項6に記載の半導体結晶。
- 一対の電極間に有機膜を含む有機電界発光素子において、
前記有機膜が請求項6に記載の半導体結晶を含むことを特徴とする有機電界発光素子。 - 前記半導体結晶がZnSSe、CdSSe、ZnCdS、ZnCdSe、またはZnCdSSeであることを特徴とする請求項9に記載の有機電界発光素子。
- 前記半導体結晶が球型、棒型、または立方体型であることを特徴とする請求項9に記載の有機電界発光素子。
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JP2005048171A (ja) | 2005-02-24 |
US20070273275A1 (en) | 2007-11-29 |
US7250082B2 (en) | 2007-07-31 |
JP2012131701A (ja) | 2012-07-12 |
US20050012182A1 (en) | 2005-01-20 |
KR20050010336A (ko) | 2005-01-27 |
CN1610062B (zh) | 2010-05-12 |
US7829189B2 (en) | 2010-11-09 |
JP5540025B2 (ja) | 2014-07-02 |
CN1610062A (zh) | 2005-04-27 |
KR100657891B1 (ko) | 2006-12-14 |
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