JP5990565B2 - 銀ナノフィラメントの製造方法 - Google Patents
銀ナノフィラメントの製造方法 Download PDFInfo
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- JP5990565B2 JP5990565B2 JP2014500498A JP2014500498A JP5990565B2 JP 5990565 B2 JP5990565 B2 JP 5990565B2 JP 2014500498 A JP2014500498 A JP 2014500498A JP 2014500498 A JP2014500498 A JP 2014500498A JP 5990565 B2 JP5990565 B2 JP 5990565B2
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- silver
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- reducing agent
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- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims description 60
- 229910052709 silver Inorganic materials 0.000 title claims description 57
- 239000004332 silver Substances 0.000 title claims description 57
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 238000000034 method Methods 0.000 claims description 54
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 43
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 40
- 239000000203 mixture Substances 0.000 claims description 28
- 239000007788 liquid Substances 0.000 claims description 27
- SQGYOTSLMSWVJD-UHFFFAOYSA-N silver(1+) nitrate Chemical group [Ag+].[O-]N(=O)=O SQGYOTSLMSWVJD-UHFFFAOYSA-N 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 17
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 16
- KWYHDKDOAIKMQN-UHFFFAOYSA-N N,N,N',N'-tetramethylethylenediamine Chemical group CN(C)CCN(C)C KWYHDKDOAIKMQN-UHFFFAOYSA-N 0.000 claims description 13
- DTOSIQBPPRVQHS-PDBXOOCHSA-N alpha-linolenic acid Chemical compound CC\C=C/C\C=C/C\C=C/CCCCCCCC(O)=O DTOSIQBPPRVQHS-PDBXOOCHSA-N 0.000 claims description 12
- GGCZERPQGJTIQP-UHFFFAOYSA-N sodium;9,10-dioxoanthracene-2-sulfonic acid Chemical compound [Na+].C1=CC=C2C(=O)C3=CC(S(=O)(=O)O)=CC=C3C(=O)C2=C1 GGCZERPQGJTIQP-UHFFFAOYSA-N 0.000 claims description 12
- 150000004985 diamines Chemical class 0.000 claims description 11
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 claims description 10
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 claims description 10
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 claims description 10
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 claims description 10
- 239000005642 Oleic acid Substances 0.000 claims description 10
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 claims description 10
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 10
- 229910001961 silver nitrate Inorganic materials 0.000 claims description 9
- YWWVWXASSLXJHU-AATRIKPKSA-N (9E)-tetradecenoic acid Chemical compound CCCC\C=C\CCCCCCCC(O)=O YWWVWXASSLXJHU-AATRIKPKSA-N 0.000 claims description 8
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 8
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 8
- 235000020661 alpha-linolenic acid Nutrition 0.000 claims description 8
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 8
- 229930195729 fatty acid Natural products 0.000 claims description 8
- 239000000194 fatty acid Substances 0.000 claims description 8
- 150000004665 fatty acids Chemical class 0.000 claims description 8
- 229960004488 linolenic acid Drugs 0.000 claims description 8
- SECPZKHBENQXJG-FPLPWBNLSA-N palmitoleic acid Chemical compound CCCCCC\C=C/CCCCCCCC(O)=O SECPZKHBENQXJG-FPLPWBNLSA-N 0.000 claims description 8
- NUMQCACRALPSHD-UHFFFAOYSA-N tert-butyl ethyl ether Chemical compound CCOC(C)(C)C NUMQCACRALPSHD-UHFFFAOYSA-N 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 150000004668 long chain fatty acids Chemical class 0.000 claims description 7
- 229920000768 polyamine Polymers 0.000 claims description 7
- 235000021122 unsaturated fatty acids Nutrition 0.000 claims description 5
- 150000004670 unsaturated fatty acids Chemical class 0.000 claims description 5
- JWUJQDFVADABEY-UHFFFAOYSA-N 2-methyltetrahydrofuran Chemical compound CC1CCCO1 JWUJQDFVADABEY-UHFFFAOYSA-N 0.000 claims description 4
- YWWVWXASSLXJHU-UHFFFAOYSA-N 9E-tetradecenoic acid Natural products CCCCC=CCCCCCCCC(O)=O YWWVWXASSLXJHU-UHFFFAOYSA-N 0.000 claims description 4
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 claims description 4
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 4
- XOBKSJJDNFUZPF-UHFFFAOYSA-N Methoxyethane Chemical compound CCOC XOBKSJJDNFUZPF-UHFFFAOYSA-N 0.000 claims description 4
- 235000021319 Palmitoleic acid Nutrition 0.000 claims description 4
- DHXVGJBLRPWPCS-UHFFFAOYSA-N Tetrahydropyran Chemical compound C1CCOCC1 DHXVGJBLRPWPCS-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 4
- SECPZKHBENQXJG-UHFFFAOYSA-N cis-palmitoleic acid Natural products CCCCCCC=CCCCCCCCC(O)=O SECPZKHBENQXJG-UHFFFAOYSA-N 0.000 claims description 4
- AQEFLFZSWDEAIP-UHFFFAOYSA-N di-tert-butyl ether Chemical compound CC(C)(C)OC(C)(C)C AQEFLFZSWDEAIP-UHFFFAOYSA-N 0.000 claims description 4
- SBZXBUIDTXKZTM-UHFFFAOYSA-N diglyme Chemical compound COCCOCCOC SBZXBUIDTXKZTM-UHFFFAOYSA-N 0.000 claims description 4
- NKDDWNXOKDWJAK-UHFFFAOYSA-N dimethoxymethane Chemical compound COCOC NKDDWNXOKDWJAK-UHFFFAOYSA-N 0.000 claims description 4
- KQQKGWQCNNTQJW-UHFFFAOYSA-N linolenic acid Natural products CC=CCCC=CCC=CCCCCCCCC(O)=O KQQKGWQCNNTQJW-UHFFFAOYSA-N 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 3
- 229960002969 oleic acid Drugs 0.000 claims 2
- 235000021313 oleic acid Nutrition 0.000 claims 2
- CQLFBEKRDQMJLZ-UHFFFAOYSA-M silver acetate Chemical compound [Ag+].CC([O-])=O CQLFBEKRDQMJLZ-UHFFFAOYSA-M 0.000 claims 2
- 229940071536 silver acetate Drugs 0.000 claims 2
- 238000011437 continuous method Methods 0.000 claims 1
- 238000004627 transmission electron microscopy Methods 0.000 description 14
- 239000002994 raw material Substances 0.000 description 12
- 238000004611 spectroscopical analysis Methods 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- 239000002070 nanowire Substances 0.000 description 10
- 238000010521 absorption reaction Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000844 anti-bacterial effect Effects 0.000 description 4
- 238000010924 continuous production Methods 0.000 description 4
- 239000002086 nanomaterial Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 150000002170 ethers Chemical class 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- RBWNDBNSJFCLBZ-UHFFFAOYSA-N 7-methyl-5,6,7,8-tetrahydro-3h-[1]benzothiolo[2,3-d]pyrimidine-4-thione Chemical compound N1=CNC(=S)C2=C1SC1=C2CCC(C)C1 RBWNDBNSJFCLBZ-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- -1 for example Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 229940071575 silver citrate Drugs 0.000 description 2
- LMEWRZSPCQHBOB-UHFFFAOYSA-M silver;2-hydroxypropanoate Chemical compound [Ag+].CC(O)C([O-])=O LMEWRZSPCQHBOB-UHFFFAOYSA-M 0.000 description 2
- 108700024661 strong silver Proteins 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QUTYHQJYVDNJJA-UHFFFAOYSA-K trisilver;2-hydroxypropane-1,2,3-tricarboxylate Chemical compound [Ag+].[Ag+].[Ag+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O QUTYHQJYVDNJJA-UHFFFAOYSA-K 0.000 description 2
- 238000000870 ultraviolet spectroscopy Methods 0.000 description 2
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- FOIXSVOLVBLSDH-UHFFFAOYSA-N Silver ion Chemical compound [Ag+] FOIXSVOLVBLSDH-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000845 anti-microbial effect Effects 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000981 bystander Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000010960 commercial process Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 238000000724 energy-dispersive X-ray spectrum Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- KAJGDCBZEUMHEC-UHFFFAOYSA-N ethane;n-methylmethanamine Chemical compound CC.CNC KAJGDCBZEUMHEC-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 239000002082 metal nanoparticle Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- AHADSRNLHOHMQK-UHFFFAOYSA-N methylidenecopper Chemical compound [Cu].[C] AHADSRNLHOHMQK-UHFFFAOYSA-N 0.000 description 1
- 239000002120 nanofilm Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 239000002073 nanorod Substances 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000005304 optical glass Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000002798 spectrophotometry method Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 238000002371 ultraviolet--visible spectrum Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- 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
- C30B29/02—Elements
-
- 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
- C30B29/605—Products containing multiple oriented crystallites, e.g. columnar crystallites
-
- 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
- C30B7/14—Single-crystal growth from solutions using solvents which are liquid at normal temperature, e.g. aqueous solutions the crystallising materials being formed by chemical reactions in the solution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/25—Noble metals, i.e. Ag Au, Ir, Os, Pd, Pt, Rh, Ru
- B22F2301/255—Silver or gold
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2303/00—Functional details of metal or compound in the powder or product
- B22F2303/01—Main component
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Manufacture Of Metal Powder And Suspensions Thereof (AREA)
Description
硝酸銀=1モル。
テトラヒドロフラン=425モル。
オレイン酸=約0.28モル〜約1.1モル。
テトラメチルエチレンジアミン=約7モル〜約14モル。
20mlのガラスバイアルに、微粉末固体の形態の50mgの硝酸銀(約0.00029モル)を加えた。これに、10 mlのテトラヒドロフラン(約0.1233モル)を加えた。次に、25〜110マイクロリットルの間のオレイン酸(約0.00008〜約0.00032モル)を加え、その後300〜600マイクロリットルの間のテトラメチルエチレンジアミン(約0.0020〜約0.0040モル)を加えた。
ナノフィラメントは、UV/可視分光光度計を利用した紫外・可視分光法によって間接的に検出される。調製したままのナノフィラメント溶液300マイクロリットルを、光学ガラスキュベット内の3ミリリットルのTHFに加えることによって、Molecular Devices SpectraMax Plus 384分光光度計(カリフォルニア州サニーベールのMolecular Devices、 Inc.から入手可能)でスペクトルを収集した。今度は図1を参照すると、テトラヒドロフラン中の銀ナノフィラメントの紫外・可視スペクトルが示されている。図1に見られるように、読み取りは、2つの明確な吸収ピークを示している。一つのピークは410nmにあり、もう一方のピークは465nmにある。これらのような吸収スペクトルは、ナノ構造の表面上の電子からのプラズモン共鳴に起因する。410nmの吸収は、球状の「傍観者」ナノ粒子からの吸収およびより長いアスペクト比構造の端部での吸収による。460nmのピークは、これらの構造の側部の吸収の共鳴による。高いアスペクト比のナノ構造が2つの吸収ピークを示すのは一般的である。2つの明確な吸収ピークは、ナノフィラメント懸濁液の特徴である。
ナノフィラメントは、透過電子顕微鏡(TEM)も使用して観察された。図2および3は、上述の例で製造されたナノフィラメントの顕微鏡写真である。図2は、左下隅のスケールバーが50ナノメートルの顕微鏡写真である。図3は、左下隅のスケールバーが20ナノメートルの顕微鏡写真で、これは約2.5倍の拡大倍率である。顕微鏡写真は、FEI Tecnai F-20 TEM/STEM電子顕微鏡(オレゴン州ヒルズボロのFEI Companyから入手可能)を使用して取得された。FEI Tecnai F-20は、100kVの加速電圧で操作された。図2および3に見られるように、厚さが銀ナノフィラメントは約5〜10ナノメートルで、長さが数百ナノメートルである。
図4は、上述の例で製造された銀ナノフィラメントのサンプルの顕微鏡写真である。スケールバーは200ナノメートルを示している。図4は、EDX分光法を使用して、そこでサンプルが試験されたEDX取得点1〜4として番号付けされた4つの離散点を示す。EDXスペクトルは、化学的情報用EDAX EDX検出器(これもオレゴン州ヒルズボロのFEI Companyから入手可能)を備えたFEI Tecnai F-20 TEM/STEMを使用して取得した。サンプルは、分析前に、レース状炭素銅TEMグリッド上にドロップ被覆された。
Claims (21)
- 銀ナノフィラメントの製造方法であって、前記方法が、
固体銀塩を液体エーテルに加えて混合物を形成するステップと、
液体脂肪酸を前記混合物に加えるステップと、
還元剤を前記混合物に加えるステップと、
前記混合物を180分間以下の時間反応させるステップと、
銀ナノフィラメントを回収するステップを含み、
5℃〜35℃の範囲の温度で実行されることを特徴とする方法。 - 前記銀塩が、硝酸銀および酢酸銀から選択される、請求項1に記載の方法。
- 前記液体エーテルが0.4〜1.9の範囲の双極子モーメントを持つ、請求項1に記載の方法。
- 前記液体エーテルが、ジエチルエーテル、ジ-tert-ブチルエーテル、ジグリコールメチルエーテル、ジイソプロピルエーテル、ジメトキシエタン、ジメトキシメタン、ジオキサン、エチルtert-ブチルエーテル、メトキシエタン、メチルtert-ブチルエーテル、2-メチルテトラヒドロフラン、テトラヒドロフラン、ジオキサン、およびテトラヒドロピランおよびその組み合わせから選択される、請求項3に記載の方法。
- 前記液体脂肪酸が不飽和脂肪酸である、請求項1に記載の方法。
- 前記不飽和脂肪酸が長鎖脂肪酸である、請求項5に記載の方法。
- 前記長鎖脂肪酸が、ミリストレイン酸、パルミトレイン酸、サピエン酸、オレイン酸、リノレイン酸、およびα-リノレイン酸およびその組み合わせから選択される、請求項6に記載の方法。
- 前記還元剤がポリアミンである、請求項1に記載の方法。
- 前記ポリアミンがジアミンである、請求項8に記載の方法。
- 前記ポリアミンが、2〜6個の炭素原子を持つジアミンである、請求項9に記載の方法。
- 前記ジアミンが、テトラメチルエチレンジアミンである、請求項10に記載の方法。
- 前記方法が、20℃未満の温度で実行される、請求項1に記載の方法。
- 前記混合物を15分〜180分間反応させる、請求項1に記載の方法。
- 前記方法が、連続的または半連続的方法として実施される、請求項1に記載の方法。
- 硝酸銀および酢酸銀から選択された固体銀塩を、ジエチルエーテル、ジ-tert-ブチルエーテル、ジグリコールメチルエーテル、ジイソプロピルエーテル、ジメトキシエタン、ジメトキシメタン、ジオキサン、エチルtert-ブチルエーテル、メトキシエタン、メチルtert-ブチルエーテル、2-メチルテトラヒドロフラン、テトラヒドロフラン、ジオキサン、およびテトラヒドロピランおよびその組み合わせから選択されたエーテル溶液から選択された液体エーテルに加えて混合物を形成するステップと、
ミリストレイン酸、パルミトレイン酸、サピエン酸、オレイン酸、リノレイン酸、およびα-リノレイン酸およびその組み合わせから選択された長鎖脂肪酸を、前記混合物に加えるステップと、
ジアミン還元剤を前記混合物に加えるステップと、
前記混合物を15〜180分間反応させるステップと、
銀ナノフィラメントを回収するステップを含み、
5℃〜35℃の範囲の温度で実行されることを特徴とする銀ナノフィラメントの製造方法。 - 前記ジアミン還元剤が、2〜6個の炭素原子を持つ、請求項15に記載の方法。
- 前記ジアミン還元剤が、テトラメチルエチレンジアミンである、請求項16に記載の方法。
- 前記方法が、20℃未満の温度で実施される、請求項15に記載の方法。
- 銀ナノフィラメントの製造方法であって、前記方法が、
固体硝酸銀をテトラヒドロフランに加えて混合物を形成するステップと、
オレイン酸を前記混合物に加えるステップと、
ジアミン還元剤を前記混合物に加えるステップと、
前記混合物を15〜180分間反応させるステップと、
銀ナノフィラメントを回収するステップを含み、
5℃〜35℃の範囲の温度で実行されることを特徴とする銀フィラメントの製造方法。 - 前記ジアミン還元剤が、テトラメチルエチレンジアミンである、請求項19に記載の方法。
- 前記方法が、20℃未満の温度で実施される、請求項19に記載の方法。
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