JP2008279591A - ナノ結晶とその製造方法およびそれを含む電子素子 - Google Patents
ナノ結晶とその製造方法およびそれを含む電子素子 Download PDFInfo
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- JP2008279591A JP2008279591A JP2008109535A JP2008109535A JP2008279591A JP 2008279591 A JP2008279591 A JP 2008279591A JP 2008109535 A JP2008109535 A JP 2008109535A JP 2008109535 A JP2008109535 A JP 2008109535A JP 2008279591 A JP2008279591 A JP 2008279591A
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- Prior art keywords
- group
- nanocrystal
- compound
- precursor
- arsenic
- Prior art date
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- 239000002159 nanocrystal Substances 0.000 title claims abstract description 181
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 34
- 150000001875 compounds Chemical class 0.000 claims abstract description 85
- 239000004065 semiconductor Substances 0.000 claims abstract description 45
- 239000000872 buffer Substances 0.000 claims abstract description 41
- 239000000126 substance Substances 0.000 claims abstract description 11
- 239000002243 precursor Substances 0.000 claims description 59
- 239000000243 solution Substances 0.000 claims description 28
- 239000000463 material Substances 0.000 claims description 26
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 claims description 17
- 229910052798 chalcogen Inorganic materials 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 16
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 claims description 16
- 150000001787 chalcogens Chemical class 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 12
- 239000000956 alloy Substances 0.000 claims description 12
- 229910052795 boron group element Inorganic materials 0.000 claims description 11
- 229910052717 sulfur Inorganic materials 0.000 claims description 11
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 10
- 229910052696 pnictogen Inorganic materials 0.000 claims description 10
- 239000011593 sulfur Substances 0.000 claims description 10
- 239000002270 dispersing agent Substances 0.000 claims description 9
- 239000011669 selenium Substances 0.000 claims description 9
- RMZAYIKUYWXQPB-UHFFFAOYSA-N trioctylphosphane Chemical compound CCCCCCCCP(CCCCCCCC)CCCCCCCC RMZAYIKUYWXQPB-UHFFFAOYSA-N 0.000 claims description 9
- 239000002904 solvent Substances 0.000 claims description 8
- XSOKHXFFCGXDJZ-UHFFFAOYSA-N telluride(2-) Chemical compound [Te-2] XSOKHXFFCGXDJZ-UHFFFAOYSA-N 0.000 claims description 8
- OUMZKMRZMVDEOF-UHFFFAOYSA-N tris(trimethylsilyl)phosphane Chemical group C[Si](C)(C)P([Si](C)(C)C)[Si](C)(C)C OUMZKMRZMVDEOF-UHFFFAOYSA-N 0.000 claims description 8
- 229910002601 GaN Inorganic materials 0.000 claims description 7
- 229910005540 GaP Inorganic materials 0.000 claims description 7
- 229910005542 GaSb Inorganic materials 0.000 claims description 7
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 7
- 229910000673 Indium arsenide Inorganic materials 0.000 claims description 7
- WPYVAWXEWQSOGY-UHFFFAOYSA-N indium antimonide Chemical compound [Sb]#[In] WPYVAWXEWQSOGY-UHFFFAOYSA-N 0.000 claims description 7
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052711 selenium Inorganic materials 0.000 claims description 7
- TUQOTMZNTHZOKS-UHFFFAOYSA-N tributylphosphine Chemical compound CCCCP(CCCC)CCCC TUQOTMZNTHZOKS-UHFFFAOYSA-N 0.000 claims description 7
- PMBXCGGQNSVESQ-UHFFFAOYSA-N 1-Hexanethiol Chemical group CCCCCCS PMBXCGGQNSVESQ-UHFFFAOYSA-N 0.000 claims description 6
- GQPLMRYTRLFLPF-UHFFFAOYSA-N Nitrous Oxide Chemical compound [O-][N+]#N GQPLMRYTRLFLPF-UHFFFAOYSA-N 0.000 claims description 6
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 claims description 6
- COHDHYZHOPQOFD-UHFFFAOYSA-N arsenic pentoxide Chemical compound O=[As](=O)O[As](=O)=O COHDHYZHOPQOFD-UHFFFAOYSA-N 0.000 claims description 6
- CHPZKNULDCNCBW-UHFFFAOYSA-N gallium nitrate Chemical compound [Ga+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O CHPZKNULDCNCBW-UHFFFAOYSA-N 0.000 claims description 6
- 229910052714 tellurium Inorganic materials 0.000 claims description 6
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 5
- 150000002894 organic compounds Chemical class 0.000 claims description 5
- ZAKSIRCIOXDVPT-UHFFFAOYSA-N trioctyl(selanylidene)-$l^{5}-phosphane Chemical compound CCCCCCCCP(=[Se])(CCCCCCCC)CCCCCCCC ZAKSIRCIOXDVPT-UHFFFAOYSA-N 0.000 claims description 5
- PIOZWDBMINZWGJ-UHFFFAOYSA-N trioctyl(sulfanylidene)-$l^{5}-phosphane Chemical compound CCCCCCCCP(=S)(CCCCCCCC)CCCCCCCC PIOZWDBMINZWGJ-UHFFFAOYSA-N 0.000 claims description 5
- 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 4
- 229910017115 AlSb Inorganic materials 0.000 claims description 4
- 229910004613 CdTe Inorganic materials 0.000 claims description 4
- 229910005543 GaSe Inorganic materials 0.000 claims description 4
- 229910004262 HgTe Inorganic materials 0.000 claims description 4
- 229910007709 ZnTe Inorganic materials 0.000 claims description 4
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 claims description 4
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 claims description 4
- 150000004770 chalcogenides Chemical class 0.000 claims description 4
- 229910003437 indium oxide Inorganic materials 0.000 claims description 4
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 claims description 4
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 claims description 4
- ZVYYAYJIGYODSD-LNTINUHCSA-K (z)-4-bis[[(z)-4-oxopent-2-en-2-yl]oxy]gallanyloxypent-3-en-2-one Chemical compound [Ga+3].C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O.C\C([O-])=C\C(C)=O ZVYYAYJIGYODSD-LNTINUHCSA-K 0.000 claims description 3
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 3
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 3
- NPUVYHNDWLTMSW-UHFFFAOYSA-N OS(O)(=O)=O.OS(O)(=O)=O.OS(O)(=O)=O.[AsH3].[AsH3] Chemical compound OS(O)(=O)=O.OS(O)(=O)=O.OS(O)(=O)=O.[AsH3].[AsH3] NPUVYHNDWLTMSW-UHFFFAOYSA-N 0.000 claims description 3
- XURCIPRUUASYLR-UHFFFAOYSA-N Omeprazole sulfide Chemical compound N=1C2=CC(OC)=CC=C2NC=1SCC1=NC=C(C)C(OC)=C1C XURCIPRUUASYLR-UHFFFAOYSA-N 0.000 claims description 3
- UYJXRRSPUVSSMN-UHFFFAOYSA-P ammonium sulfide Chemical compound [NH4+].[NH4+].[S-2] UYJXRRSPUVSSMN-UHFFFAOYSA-P 0.000 claims description 3
- JMBNQWNFNACVCB-UHFFFAOYSA-N arsenic tribromide Chemical compound Br[As](Br)Br JMBNQWNFNACVCB-UHFFFAOYSA-N 0.000 claims description 3
- OEYOHULQRFXULB-UHFFFAOYSA-N arsenic trichloride Chemical compound Cl[As](Cl)Cl OEYOHULQRFXULB-UHFFFAOYSA-N 0.000 claims description 3
- IKIBSPLDJGAHPX-UHFFFAOYSA-N arsenic triiodide Chemical compound I[As](I)I IKIBSPLDJGAHPX-UHFFFAOYSA-N 0.000 claims description 3
- RLECCBFNWDXKPK-UHFFFAOYSA-N bis(trimethylsilyl)sulfide Chemical compound C[Si](C)(C)S[Si](C)(C)C RLECCBFNWDXKPK-UHFFFAOYSA-N 0.000 claims description 3
- VTXVGVNLYGSIAR-UHFFFAOYSA-N decane-1-thiol Chemical compound CCCCCCCCCCS VTXVGVNLYGSIAR-UHFFFAOYSA-N 0.000 claims description 3
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 claims description 3
- WNAHIZMDSQCWRP-UHFFFAOYSA-N dodecane-1-thiol Chemical compound CCCCCCCCCCCCS WNAHIZMDSQCWRP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 229940044658 gallium nitrate Drugs 0.000 claims description 3
- 229910001195 gallium oxide Inorganic materials 0.000 claims description 3
- 229910000373 gallium sulfate Inorganic materials 0.000 claims description 3
- UPWPDUACHOATKO-UHFFFAOYSA-K gallium trichloride Chemical compound Cl[Ga](Cl)Cl UPWPDUACHOATKO-UHFFFAOYSA-K 0.000 claims description 3
- SBDRYJMIQMDXRH-UHFFFAOYSA-N gallium;sulfuric acid Chemical compound [Ga].OS(O)(=O)=O SBDRYJMIQMDXRH-UHFFFAOYSA-N 0.000 claims description 3
- 229910000337 indium(III) sulfate Inorganic materials 0.000 claims description 3
- XGCKLPDYTQRDTR-UHFFFAOYSA-H indium(iii) sulfate Chemical compound [In+3].[In+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O XGCKLPDYTQRDTR-UHFFFAOYSA-H 0.000 claims description 3
- 229910017604 nitric acid Inorganic materials 0.000 claims description 3
- 239000001272 nitrous oxide Substances 0.000 claims description 3
- KZCOBXFFBQJQHH-UHFFFAOYSA-N octane-1-thiol Chemical compound CCCCCCCCS KZCOBXFFBQJQHH-UHFFFAOYSA-N 0.000 claims description 3
- ZSRZHCIWJJKHAU-UHFFFAOYSA-N pentachloro-$l^{5}-arsane Chemical compound Cl[As](Cl)(Cl)(Cl)Cl ZSRZHCIWJJKHAU-UHFFFAOYSA-N 0.000 claims description 3
- DWUCCPNOMFYDOL-UHFFFAOYSA-N propyl(sulfanyl)silicon Chemical compound CCC[Si]S DWUCCPNOMFYDOL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052979 sodium sulfide Inorganic materials 0.000 claims description 3
- GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 claims description 3
- 229910052716 thallium Inorganic materials 0.000 claims description 3
- IYMHCKVVJXJPDB-UHFFFAOYSA-N tributyl(selanylidene)-$l^{5}-phosphane Chemical compound CCCCP(=[Se])(CCCC)CCCC IYMHCKVVJXJPDB-UHFFFAOYSA-N 0.000 claims description 3
- WLPUWLXVBWGYMZ-UHFFFAOYSA-N tricyclohexylphosphine Chemical compound C1CCCCC1P(C1CCCCC1)C1CCCCC1 WLPUWLXVBWGYMZ-UHFFFAOYSA-N 0.000 claims description 3
- RXJKFRMDXUJTEX-UHFFFAOYSA-N triethylphosphine Chemical compound CCP(CC)CC RXJKFRMDXUJTEX-UHFFFAOYSA-N 0.000 claims description 3
- ZFVJLNKVUKIPPI-UHFFFAOYSA-N triphenyl(selanylidene)-$l^{5}-phosphane Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=[Se])C1=CC=CC=C1 ZFVJLNKVUKIPPI-UHFFFAOYSA-N 0.000 claims description 3
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 claims description 2
- IRPGOXJVTQTAAN-UHFFFAOYSA-N 2,2,3,3,3-pentafluoropropanal Chemical compound FC(F)(F)C(F)(F)C=O IRPGOXJVTQTAAN-UHFFFAOYSA-N 0.000 claims description 2
- XBIUWALDKXACEA-UHFFFAOYSA-N 3-[bis(2,4-dioxopentan-3-yl)alumanyl]pentane-2,4-dione Chemical compound CC(=O)C(C(C)=O)[Al](C(C(C)=O)C(C)=O)C(C(C)=O)C(C)=O XBIUWALDKXACEA-UHFFFAOYSA-N 0.000 claims description 2
- KLZUFWVZNOTSEM-UHFFFAOYSA-K Aluminum fluoride Inorganic materials F[Al](F)F KLZUFWVZNOTSEM-UHFFFAOYSA-K 0.000 claims description 2
- ILRRQNADMUWWFW-UHFFFAOYSA-K aluminium phosphate Chemical group O1[Al]2OP1(=O)O2 ILRRQNADMUWWFW-UHFFFAOYSA-K 0.000 claims description 2
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 claims description 2
- GOLCXWYRSKYTSP-UHFFFAOYSA-N arsenic trioxide Inorganic materials O1[As]2O[As]1O2 GOLCXWYRSKYTSP-UHFFFAOYSA-N 0.000 claims description 2
- 238000005401 electroluminescence Methods 0.000 claims description 2
- DZFYOYRNBGNPJW-UHFFFAOYSA-N ethoxythallium Chemical compound [Tl+].CC[O-] DZFYOYRNBGNPJW-UHFFFAOYSA-N 0.000 claims description 2
- FYWSTUCDSVYLPV-UHFFFAOYSA-N nitrooxythallium Chemical compound [Tl+].[O-][N+]([O-])=O FYWSTUCDSVYLPV-UHFFFAOYSA-N 0.000 claims description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- WKMKTIVRRLOHAJ-UHFFFAOYSA-N oxygen(2-);thallium(1+) Chemical compound [O-2].[Tl+].[Tl+] WKMKTIVRRLOHAJ-UHFFFAOYSA-N 0.000 claims description 2
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 2
- GBECUEIQVRDUKB-UHFFFAOYSA-M thallium monochloride Chemical compound [Tl]Cl GBECUEIQVRDUKB-UHFFFAOYSA-M 0.000 claims description 2
- 229910003438 thallium oxide Inorganic materials 0.000 claims description 2
- YTQVHRVITVLIRD-UHFFFAOYSA-L thallium sulfate Chemical compound [Tl+].[Tl+].[O-]S([O-])(=O)=O YTQVHRVITVLIRD-UHFFFAOYSA-L 0.000 claims description 2
- 229940119523 thallium sulfate Drugs 0.000 claims description 2
- 229910000374 thallium(I) sulfate Inorganic materials 0.000 claims description 2
- DCAYPVUWAIABOU-UHFFFAOYSA-N hexadecane Chemical compound CCCCCCCCCCCCCCCC DCAYPVUWAIABOU-UHFFFAOYSA-N 0.000 claims 2
- HJTAZXHBEBIQQX-UHFFFAOYSA-N 1,5-bis(chloromethyl)naphthalene Chemical compound C1=CC=C2C(CCl)=CC=CC2=C1CCl HJTAZXHBEBIQQX-UHFFFAOYSA-N 0.000 claims 1
- YHMQHCWLCGTNTC-UHFFFAOYSA-N C(CCCCCCC)[N+](CCCCCCCC)(CCCCCCCC)[S-] Chemical compound C(CCCCCCC)[N+](CCCCCCCC)(CCCCCCCC)[S-] YHMQHCWLCGTNTC-UHFFFAOYSA-N 0.000 claims 1
- HQOJMTATBXYHNR-UHFFFAOYSA-M thallium(I) acetate Chemical compound [Tl+].CC([O-])=O HQOJMTATBXYHNR-UHFFFAOYSA-M 0.000 claims 1
- DASUJKKKKGHFBF-UHFFFAOYSA-L thallium(i) carbonate Chemical compound [Tl+].[Tl+].[O-]C([O-])=O DASUJKKKKGHFBF-UHFFFAOYSA-L 0.000 claims 1
- 150000003573 thiols Chemical class 0.000 claims 1
- FQVPFGDPYSIWTM-UHFFFAOYSA-N tributyl(sulfanylidene)-$l^{5}-phosphane Chemical compound CCCCP(=S)(CCCC)CCCC FQVPFGDPYSIWTM-UHFFFAOYSA-N 0.000 claims 1
- VYNGFCUGSYEOOZ-UHFFFAOYSA-N triphenylphosphine sulfide Chemical compound C=1C=CC=CC=1P(C=1C=CC=CC=1)(=S)C1=CC=CC=C1 VYNGFCUGSYEOOZ-UHFFFAOYSA-N 0.000 claims 1
- 238000004020 luminiscence type Methods 0.000 abstract description 2
- CCCMONHAUSKTEQ-UHFFFAOYSA-N octadecene Natural products CCCCCCCCCCCCCCCCC=C CCCMONHAUSKTEQ-UHFFFAOYSA-N 0.000 description 15
- 125000004432 carbon atom Chemical group C* 0.000 description 14
- 238000000103 photoluminescence spectrum Methods 0.000 description 12
- 239000000758 substrate Substances 0.000 description 12
- -1 n-octyl Chemical group 0.000 description 11
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 10
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 10
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 10
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 10
- 239000005642 Oleic acid Substances 0.000 description 10
- 239000013078 crystal Substances 0.000 description 10
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 10
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 10
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 9
- 229910052725 zinc Inorganic materials 0.000 description 9
- 239000011701 zinc Substances 0.000 description 9
- 230000007547 defect Effects 0.000 description 8
- 230000005525 hole transport Effects 0.000 description 8
- 238000002347 injection Methods 0.000 description 8
- 239000007924 injection Substances 0.000 description 8
- 239000004054 semiconductor nanocrystal Substances 0.000 description 7
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 6
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 6
- 238000000862 absorption spectrum Methods 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- VBXWCGWXDOBUQZ-UHFFFAOYSA-K diacetyloxyindiganyl acetate Chemical compound [In+3].CC([O-])=O.CC([O-])=O.CC([O-])=O VBXWCGWXDOBUQZ-UHFFFAOYSA-K 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 229910052800 carbon group element Inorganic materials 0.000 description 5
- 239000011258 core-shell material Substances 0.000 description 5
- 229910001849 group 12 element Inorganic materials 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- JDZTVVGXVHAZEX-UHFFFAOYSA-O [N+](=O)([O-])[O-].[NH4+].[As] Chemical compound [N+](=O)([O-])[O-].[NH4+].[As] JDZTVVGXVHAZEX-UHFFFAOYSA-O 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000003960 organic solvent Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 125000003342 alkenyl group Chemical group 0.000 description 3
- 150000003973 alkyl amines Chemical class 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- 229910052785 arsenic Inorganic materials 0.000 description 3
- 229960002594 arsenic trioxide Drugs 0.000 description 3
- 229910001385 heavy metal Inorganic materials 0.000 description 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 3
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
- 229910016036 BaF 2 Inorganic materials 0.000 description 2
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 241001455273 Tetrapoda Species 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- BMSYAGRCQOYYMZ-UHFFFAOYSA-N [As].[As] Chemical compound [As].[As] BMSYAGRCQOYYMZ-UHFFFAOYSA-N 0.000 description 2
- FTWSGTUSKKGVDF-UHFFFAOYSA-N [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[AsH6+3] Chemical compound [O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O.[AsH6+3] FTWSGTUSKKGVDF-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910000413 arsenic oxide Inorganic materials 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 229910052793 cadmium Inorganic materials 0.000 description 2
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 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
- 238000000295 emission spectrum Methods 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
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- 239000013077 target material Substances 0.000 description 1
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- 150000003509 tertiary alcohols Chemical class 0.000 description 1
- IEXRMSFAVATTJX-UHFFFAOYSA-N tetrachlorogermane Chemical compound Cl[Ge](Cl)(Cl)Cl IEXRMSFAVATTJX-UHFFFAOYSA-N 0.000 description 1
- BVQJQTMSTANITJ-UHFFFAOYSA-N tetradecylphosphonic acid Chemical compound CCCCCCCCCCCCCCP(O)(O)=O BVQJQTMSTANITJ-UHFFFAOYSA-N 0.000 description 1
- GXMNGLIMQIPFEB-UHFFFAOYSA-N tetraethoxygermane Chemical compound CCO[Ge](OCC)(OCC)OCC GXMNGLIMQIPFEB-UHFFFAOYSA-N 0.000 description 1
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- FAKFSJNVVCGEEI-UHFFFAOYSA-J tin(4+);disulfate Chemical compound [Sn+4].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O FAKFSJNVVCGEEI-UHFFFAOYSA-J 0.000 description 1
- LTSUHJWLSNQKIP-UHFFFAOYSA-J tin(iv) bromide Chemical compound Br[Sn](Br)(Br)Br LTSUHJWLSNQKIP-UHFFFAOYSA-J 0.000 description 1
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 1
- YUOWTJMRMWQJDA-UHFFFAOYSA-J tin(iv) fluoride Chemical compound [F-].[F-].[F-].[F-].[Sn+4] YUOWTJMRMWQJDA-UHFFFAOYSA-J 0.000 description 1
- YJGJRYWNNHUESM-UHFFFAOYSA-J triacetyloxystannyl acetate Chemical compound [Sn+4].CC([O-])=O.CC([O-])=O.CC([O-])=O.CC([O-])=O YJGJRYWNNHUESM-UHFFFAOYSA-J 0.000 description 1
- ZMBHCYHQLYEYDV-UHFFFAOYSA-N trioctylphosphine oxide Chemical compound CCCCCCCCP(=O)(CCCCCCCC)CCCCCCCC ZMBHCYHQLYEYDV-UHFFFAOYSA-N 0.000 description 1
- 238000001771 vacuum 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
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-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
- 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 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B1/00—Nanostructures formed by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
-
- 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
- C09K11/02—Use of particular materials as binders, particle coatings or suspension media therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
- B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
-
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Abstract
【解決手段】化合物半導体から構成されるナノ結晶コアと、前記ナノ結晶コアの周囲に形成される非半導体物質から構成されるバッファ層と、を含むことを特徴とするナノ結晶とその製造方法およびそれを含む電子素子を提供する。
【選択図】図1a
Description
Handbook of nano structured materials and nanotechnology,Chapter8;Journal of Luminescence,70(1996),p.95−107
酢酸インジウム0.058g(0.2mmol)とオレイン酸0.188g(0.6mmol)とを、オクタデセン(以下、単に「ODE」とも称する)10gに溶解させて、インジウム前駆体溶液を調製した。インジウム前駆体溶液が透明になるまで120℃で加熱した後、約90分間真空を維持した。上記溶液を窒素で3回洗浄した後、窒素雰囲気を維持しながら溶液の温度を300℃まで昇温させた。トリス(トリメチルシリル)ホスフィン0.1mmolを2gのODEに溶かした溶液を、300℃に加熱されている溶液に速やかに添加した。ホスフィンを一度に添加して温度が20℃以上下がった後、270℃まで温度を下げて2時間反応させ、リン化インジウム(InP)ナノ結晶コアを得た。
酢酸インジウム0.07mmol、オレイン酸0.3mmolおよびオクタデセン10gを混合して120℃まで真空を維持しながら撹拌した。250℃でトリス(トリメチルシリル)ホスフィン 0.05mmolとオクタデセン1mLを添加して20分反応させた。その後、0.1Mのセレン化トリオクチルホスフィン溶液0.02mLを添加して30分間維持した後、亜鉛、オレイン酸、およびオクタデセンを含む溶液を、亜鉛の添加量が0.2mmolとなるように添加して1時間撹拌しながら反応させた。その後、反応温度を300℃まで上げ、0.4Mの硫化トリオクチルホスフィン溶液1mLを添加して1時間反応させ、ナノ結晶コアがInPから構成され、バッファ層がSeから構成され、シェル層がZnSから構成される、3層構造のナノ結晶を得た。
酢酸インジウム0.1mmol、オレイン酸0.3mmol、およびオクタデセン10gを混合して120℃まで真空を維持しながら撹拌した。250℃でトリス(トリメチルシリル)ホスフィン0.5mmolとオクタデセン1mLとを添加して20分間反応させた。その後、亜鉛、オレイン酸、およびオクタデセンを含む溶液を、亜鉛の添加量が0.2mmolとなるように添加して300℃まで反応温度を上げ、0.4Mの硫化トリオクチルホスフィン1mLを添加して30分間反応させた。その結果、ナノ結晶コアがInPから構成され、シェル層がZnSから構成される、2層構造のナノ結晶を得た。
酢酸インジウム0.07mmol、オレイン酸0.3mmol、およびオクタデセン10gを混合して、120℃まで真空を維持しながら撹拌した。250℃でトリス(トリメチルシリル)ホスフィン0.05mmolとオクタデセン1mLとを添加して20分間反応させた。その後、0.1Mの硫化トリオクチルホスフィン溶液0.02mLを添加して30分維持した後、亜鉛、オレイン酸、およびオクタデセンを含む溶液を、亜鉛の添加量が0.2mmolとなるように添加して、30分間反応させながら温度を300℃まで昇温させた。反応温度を上げて、硫黄0.4mmolと、0.4Mの硫化トリオクチルホスフィン溶液1mLとを添加して1時間反応させた。その結果、ナノ結晶コアがInPから構成され、バッファ層が硫黄から構成され、Sシェル層がZnSから構成される、3層構造のナノ結晶を得た。本実施例で得られたナノ結晶のPLスペクトルを図6に示す。このとき、ナノ結晶溶液の量子効率は41%であり、PLスペクトルの半値幅は43nmであると確認された。
酢酸インジウム0.07mmol、オレイン酸0.3mmolおよびオクタデセン10gを混合して120℃まで真空を維持しながら撹拌した。250℃でトリス(トリメチルシリル)ホスフィン0.05mmolとオクタデセン1mLとを添加して20分間反応させた。その後、0.1Mの硫化トリオクチルホスフィン0.01mLと0.1Mのセレン化トリオクチルホスフィン0.01mLとを混合して添加し30分間維持した後、亜鉛、オレイン酸、およびオクタデセンを含む溶液を、亜鉛の添加量が0.2mmolとなるように添加して、30分間反応させながら温度を300℃まで昇温させた。その後、硫黄0.4mmolと0.4Mの硫化トリオクチルホスフィン1mLとを添加し、1時間反応させた。その結果、ナノ結晶コアがInPから構成され、バッファ層が硫黄およびセレンから構成され、シェル層がZnSから構成される、3層構造のナノ結晶を得た。本実施例で得られたナノ結晶のPLスペクトルを図7に示す。このとき、ナノ結晶溶液の量子効率は39%であり、PLスペクトルの半値幅は45nmであると確認された。
20 バッファ層、
30 シェル層。
Claims (22)
- 化合物半導体から構成されるナノ結晶コアと、
前記ナノ結晶コアの周囲に形成される非半導体物質から構成されるバッファ層と、
を含むことを特徴とするナノ結晶。 - 前記ナノ結晶コアが、13−15族化合物半導体を含むことを特徴とする、請求項1に記載のナノ結晶。
- 前記ナノ結晶コアが、AlN、AlP、AlAs、AlSb、GaN、GaP、GaAs、GaSb、InN、InP、InAs、InSb、TlN、TlP、TlAs、TlSb、およびこれらの合金からなる群より選択される少なくとも1種の化合物半導体から構成されることを特徴とする、請求項2に記載のナノ結晶。
- 前記バッファ層が、カルコゲンから構成されることを特徴とする、請求項1〜3のいずれか1項に記載のナノ結晶。
- 前記バッファ層が、硫黄、セレン、およびテルルからなる群より選択される少なくとも1種の元素から構成されることを特徴とする、請求項4に記載のナノ結晶。
- 前記ナノ結晶の表面が、有機化合物により配位されていることを特徴とする、請求項1〜5のいずれか1項に記載のナノ結晶。
- 前記バッファ層の周囲に少なくとも1層のシェル層をさらに含むことを特徴とする、請求項1〜6のいずれか1項に記載のナノ結晶。
- 前記シェル層は、12−16族化合物、12−15族化合物、13−16族化合物、13−15族化合物、14−16族化合物、12−13−16族化合物、12−14−16族化合物、12−14−15族化合物、およびこれらの合金からなる群より選択される少なくとも1種の化合物から構成されることを特徴とする、請求項7に記載のナノ結晶。
- 前記シェル層が、12−16族化合物および13−15族化合物の少なくとも一方から構成されることを特徴とする、請求項8に記載のナノ結晶。
- 前記シェル層が、ZnS、ZnSe、ZnTe、CdS、CdSe、CdTe、HgS、HgSe、HgTe、GaN、GaP、GaAs、GaSb、GaSe、InN、InP、InAs、InSb、およびこれらの合金からなる群より選択される少なくとも1種の化合物から構成されることを特徴とする、請求項8または9に記載のナノ結晶。
- 化合物半導体の前駆体を溶媒および分散剤が存在する反応系で反応させて化合物半導体から構成されるナノ結晶コアの溶液を調製する段階と、
前記ナノ結晶コアの溶液に非半導体物質の前駆体を添加して、前記ナノ結晶の周囲に非半導体物質から構成されるバッファ層を形成する段階と、
を含むことを特徴とする、ナノ結晶の製造方法。 - 前記化合物半導体の前駆体が、13族元素を含む前駆体および15族元素を含む前駆体であることを特徴とする、請求項11に記載のナノ結晶の製造方法。
- 前記13族元素を含む前駆体が、リン酸アルミニウム、アルミニウムアセチルアセトナート、塩化アルミニウム、フッ化アルミニウム、酸化アルミニウム、硝酸アルミニウム、硫酸アルミニウム、ガリウムアセチルアセトネート、塩化ガリウム、フッ化ガリウム、酸化ガリウム、硝酸ガリウム、硫酸ガリウム、塩化インジウム、酸化インジウム、硝酸インジウム、硫酸インジウム、酢酸タリウム、タリウムアセチルアセトナート、塩化タリウム、酸化タリウム、タリウムエトキシド、硝酸タリウム、硫酸タリウム、およびタリウムカーボネートからなる群より選択される少なくとも1種であることを特徴とする、請求項12に記載のナノ結晶の製造方法。
- 前記15族元素を含む前駆体が、トリス(トリメチルシリル)ホスフィン、トリエチルホスフィン、トリブチルホスフィン、トリオクチルホスフィン、トリフェニルホスフィン、トリシクロヘキシルホスフィン、三酸化ヒ素、五酸化ヒ素、三塩化ヒ素、五塩化ヒ素、硫酸ヒ素、臭化ヒ素、ヨウ化ヒ素、亜酸化窒素、硝酸、および硝酸アンモニウムからなる群より選択される少なくとも1種であることを特徴とする、請求項12または13に記載のナノ結晶の製造方法。
- 前記非半導体物質の前駆体が、カルコゲンを含む前駆体およびカルコゲナイドの少なくとも一方であることを特徴とする、請求項11〜14のいずれか1項に記載のナノ結晶の製造方法。
- 前記カルコゲンを含む前駆体は、硫黄、セレン、およびテルルからなる群より選択される少なくとも1種の元素を含む前駆体であり、前記カルコゲナイドは、ヘキサンチオール、オクタンチオール、デカンチオール、ドデカンチオール、ヘキサデカンチオール、メルカプトプロピルシラン、硫化トリオクチルホスフィン、硫化トリブチルホスフィン、硫化トリフェニルホスフィン、硫化トリオクチルアミン、硫化トリメチルシリル、硫化アンモニウム、硫化ナトリウム、セレン化トリオクチルホスフィン、セレン化トリブチルホスフィン、セレン化トリフェニルホスフィン、テルル化トリオクチルホスフィン、テルル化トリブチルホスフィン、およびテルル化トリフェニルホスフィンからなる群より選択される少なくとも1種であることを特徴とする、請求項15に記載のナノ結晶の製造方法。
- 前記バッファ層の周囲に、少なくとも1層のシェル層を形成する段階をさらに含むことを特徴とする、請求項11〜16のいずれか1項に記載のナノ結晶の製造方法。
- 前記シェル層は、12−16族化合物、12−15族化合物、13−16族化合物、13−15族化合物、14−16族化合物、12−13−16族化合物、12−14−16族化合物、12−14−15族化合物、およびこれらの合金からなる群より選択される少なくとも1種の化合物から構成されることを特徴とする、請求項17に記載のナノ結晶の製造方法。
- 前記シェル層が、12−16族化合物および13−15族化合物の少なくとも一方から構成されることを特徴とする、請求項18に記載のナノ結晶の製造方法。
- 前記シェル層が、ZnS、ZnSe、ZnTe、CdS、CdSe、CdTe、HgS、HgSe、HgTe、GaN、GaP、GaAs、GaSb、GaSe、InN、InP、InAs、InSb、およびこれらの合金からなる群より選択される少なくとも1種の化合物から構成されることを特徴とする、請求項18または19に記載のナノ結晶の製造方法。
- 請求項1〜10のいずれか1項に記載のナノ結晶を含む電子素子。
- 前記電子素子は、ディスプレイ素子、電界発光素子、レーザ素子、線形光学装置、センサー素子、および光電変換素子からなる群より選択される少なくとも1種であることを特徴とする、請求項21に記載の電子素子。
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KR100853087B1 (ko) | 2008-08-19 |
US20080268248A1 (en) | 2008-10-30 |
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