JP5125516B2 - ナノ粒子の製造方法 - Google Patents
ナノ粒子の製造方法 Download PDFInfo
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- JP5125516B2 JP5125516B2 JP2007555873A JP2007555873A JP5125516B2 JP 5125516 B2 JP5125516 B2 JP 5125516B2 JP 2007555873 A JP2007555873 A JP 2007555873A JP 2007555873 A JP2007555873 A JP 2007555873A JP 5125516 B2 JP5125516 B2 JP 5125516B2
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- 239000002105 nanoparticle Substances 0.000 title claims description 73
- 238000004519 manufacturing process Methods 0.000 title claims description 18
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 91
- 239000010703 silicon Substances 0.000 claims description 91
- 229910052710 silicon Inorganic materials 0.000 claims description 91
- 239000013078 crystal Substances 0.000 claims description 86
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 30
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 30
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 22
- 239000007789 gas Substances 0.000 claims description 21
- 239000007791 liquid phase Substances 0.000 claims description 19
- 238000007254 oxidation reaction Methods 0.000 claims description 16
- 238000009832 plasma treatment Methods 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 10
- 229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 8
- 230000001590 oxidative effect Effects 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 6
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 230000001678 irradiating effect Effects 0.000 claims description 2
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 description 13
- 238000006243 chemical reaction Methods 0.000 description 13
- 239000002245 particle Substances 0.000 description 12
- 238000000295 emission spectrum Methods 0.000 description 9
- 239000010419 fine particle Substances 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000005543 nano-size silicon particle Substances 0.000 description 5
- 229910000077 silane Inorganic materials 0.000 description 5
- RYPKRALMXUUNKS-UHFFFAOYSA-N 2-Hexene Natural products CCCC=CC RYPKRALMXUUNKS-UHFFFAOYSA-N 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 4
- 229910052739 hydrogen Inorganic materials 0.000 description 4
- ZGEGCLOFRBLKSE-UHFFFAOYSA-N methylene hexane Natural products CCCCCC=C ZGEGCLOFRBLKSE-UHFFFAOYSA-N 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 239000012808 vapor phase Substances 0.000 description 4
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000031700 light absorption Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 description 3
- 239000011882 ultra-fine particle Substances 0.000 description 3
- JMMZCWZIJXAGKW-UHFFFAOYSA-N 2-methylpent-2-ene Chemical compound CCC=C(C)C JMMZCWZIJXAGKW-UHFFFAOYSA-N 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical compound CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- WSSSPWUEQFSQQG-UHFFFAOYSA-N dimethylbutene Natural products CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 102220353116 c.40G>A Human genes 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011859 microparticle Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229920000548 poly(silane) polymer Polymers 0.000 description 1
- 229930195734 saturated hydrocarbon Natural products 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 150000003377 silicon compounds Chemical class 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/02—Silicon
- C01B33/021—Preparation
- C01B33/027—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material
- C01B33/029—Preparation by decomposition or reduction of gaseous or vaporised silicon compounds other than silica or silica-containing material by decomposition of monosilane
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Inorganic Chemistry (AREA)
- Composite Materials (AREA)
- Silicon Compounds (AREA)
- Luminescent Compositions (AREA)
Description
日経先端技術,2003.1.27号,p.1−4
本発明では、モノシランを液相中で酸化反応させる。使用するモノシランについては特に制限はない。
本発明では、モノシランを上記化合物等からなる液相中で酸化反応して、シリコン結晶ナノ粒子を生成させる。ここで本発明において、酸化反応には、モノシランのSi−H結合を開裂させて、シリコンを生成させる反応も含まれる。
このようにして得られるシリコン結晶ナノ粒子は、モノシランのほとんどがシリコン結晶となっているが、その外層部分は、必ずしも中心部分のシリコン結晶とは同一ではなく、例えばシリコンのアモルファスとなっていると推定される。
上記のシリコン結晶ナノ粒子を水素ガス存在下でプラズマ処理すると、上記シリコン結晶ナノ粒子の外層部分が(100)面を有するシリコン結晶となる。
本発明で得られるシリコン結晶ナノ粒子の表面に酸化シリコン層を形成し、ナノ蛍光体として使用できる。
〔実施例1〕
光透過性の材質で作製された容量20Lの容器内を高純度Arガス(純度6N、O2濃度0.1ppm以下)で置換した後、容器内を1−ヘキセンで完全に満たす。この時の容器内圧力は1気圧(1atm=101325 Pa)である。つぎに、ArFエキシマレーザー(ギガフォトン(株)製、G40A、波長:193nm)により、3.4eVの光エネルギーが容器内に導入できるようレーザー量を調整しながら、上記容器内にレーザーの照射を開始する。つづいて、容器内にSiH4ガスを、ノズルヘッドより流量100SCCMで5分間導入する。レーザーの照射は、SiH4ガス導入を終了してから3分後に終了させる。このようにして、シリコン結晶ナノ微粒子を液相中で製造した。その後、得られたシリコン結晶ナノ微粒子を含む容器内の液を、容量30Lの別の容器へ移送し、この容器を1気圧(1atm=101325 Pa)条件下で、80℃に加熱して、1−ヘキセン、ヘキサンを蒸発させることにより、得られたシリコン結晶ナノ粒子を回収した。導入したSiH4の量と回収されたシリコン結晶ナノ粒子の重量から求めると、モノシランの使用効率は80%以上であった。
H2ガスで3%希釈したSiH4混合ガス100SCCMを2×10-7Torrr(2.66×10−5Pa)まで減圧した真空容器に導入し、2.45GHzのマイクロ波を印加してシリコン結晶ナノ粒子を作製した。導入したSiH4の量と回収されたシリコンナノ粒子の重量から求めると、モノシランの使用効率は10%未満であった。この微粒子を、5%希釈のアンモニア水溶液で酸化すると、平均シリコン結晶径2nm、アモルファス層が1.5nmの超微粒子が得られた。
Claims (6)
- モノシランを液相内で酸化反応して、シリコン結晶ナノ粒子を製造することを特徴とするシリコン結晶ナノ粒子の製造方法。
- 前記液相の液が酸化性のガスを含まない液であることを特徴とする請求項1に記載のシリコン結晶ナノ粒子の製造方法。
- 前記液相の液が不飽和炭化水素であることを特徴とする請求項1または2に記載のシリコン結晶ナノ粒子の製造方法。
- 前記酸化反応を光照射により行うことを特徴とする請求項1〜3のいずれか1項に記載のシリコン結晶ナノ粒子の製造方法。
- 前記酸化反応後、得られたシリコン結晶ナノ粒子を水素ガス存在下でプラズマ処理して、該シリコン結晶ナノ粒子の表面修飾をすることを特徴とする請求項1〜4のいずれか1項に記載のシリコン結晶ナノ粒子の製造方法。
- 前記プラズマ処理後、プラズマ処理したシリコン結晶ナノ粒子の表面に酸化シリコン層を形成して、該シリコン結晶ナノ粒子の表面修飾をすることを特徴とする請求項5に記載のシリコン結晶ナノ粒子の製造方法。
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JP2007555873A JP5125516B2 (ja) | 2006-01-27 | 2006-12-26 | ナノ粒子の製造方法 |
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JP2006019460 | 2006-01-27 | ||
JP2006019460 | 2006-01-27 | ||
JP2007555873A JP5125516B2 (ja) | 2006-01-27 | 2006-12-26 | ナノ粒子の製造方法 |
PCT/JP2006/325858 WO2007086225A1 (ja) | 2006-01-27 | 2006-12-26 | ナノ粒子の製造方法 |
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JPWO2007086225A1 JPWO2007086225A1 (ja) | 2009-06-18 |
JP5125516B2 true JP5125516B2 (ja) | 2013-01-23 |
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US (1) | US7658899B2 (ja) |
JP (1) | JP5125516B2 (ja) |
WO (1) | WO2007086225A1 (ja) |
Families Citing this family (4)
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JP5045876B2 (ja) * | 2006-03-15 | 2012-10-10 | 学校法人東京電機大学 | 発光輝度の持続性に優れたナノシリコン粒子とその製造方法 |
KR101053836B1 (ko) * | 2009-02-10 | 2011-08-03 | 한국에너지기술연구원 | Icp를 이용한 실리콘 나노입자 제조 장치 |
WO2010104717A2 (en) * | 2009-03-12 | 2010-09-16 | The Regents Of The University Of California | Nanostructures having crystalline and amorphous phases |
EP2615063A4 (en) * | 2010-09-10 | 2015-11-11 | Bridgestone Corp | PROCESS FOR PRODUCING SILICON FINE PARTICLES AND METHOD FOR CONTROLLING THE PARTICULATE SIZE OF FINE SILICON PARTICLES |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05224261A (ja) * | 1992-02-10 | 1993-09-03 | Canon Inc | 非線形光学材料及びその製造方法 |
US5850064A (en) * | 1997-04-11 | 1998-12-15 | Starfire Electronics Development & Marketing, Ltd. | Method for photolytic liquid phase synthesis of silicon and germanium nanocrystalline materials |
JP2006216761A (ja) * | 2005-02-03 | 2006-08-17 | Canon Inc | 連続液相成膜法およびその装置 |
JP2006256918A (ja) * | 2005-03-17 | 2006-09-28 | Seiko Epson Corp | 高次シラン組成物、膜付基板の製造方法、電気光学装置および電子デバイス |
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US7371666B2 (en) * | 2003-03-12 | 2008-05-13 | The Research Foundation Of State University Of New York | Process for producing luminescent silicon nanoparticles |
FR2865671B1 (fr) * | 2004-01-30 | 2007-03-16 | Commissariat Energie Atomique | Nanopoudre ceramique apte au frittage et son procede de synthese |
KR100669248B1 (ko) * | 2004-10-19 | 2007-01-15 | 한국전자통신연구원 | 병렬 처리 구조의 ds-cdma uwb 시스템에서의초기 동기 획득 장치 및 방법과 이를 이용한ds-cdma uwb 시스템에서의 수신기 |
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- 2006-12-26 US US12/162,064 patent/US7658899B2/en active Active
- 2006-12-26 JP JP2007555873A patent/JP5125516B2/ja not_active Expired - Fee Related
- 2006-12-26 WO PCT/JP2006/325858 patent/WO2007086225A1/ja active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05224261A (ja) * | 1992-02-10 | 1993-09-03 | Canon Inc | 非線形光学材料及びその製造方法 |
US5850064A (en) * | 1997-04-11 | 1998-12-15 | Starfire Electronics Development & Marketing, Ltd. | Method for photolytic liquid phase synthesis of silicon and germanium nanocrystalline materials |
JP2006216761A (ja) * | 2005-02-03 | 2006-08-17 | Canon Inc | 連続液相成膜法およびその装置 |
JP2006256918A (ja) * | 2005-03-17 | 2006-09-28 | Seiko Epson Corp | 高次シラン組成物、膜付基板の製造方法、電気光学装置および電子デバイス |
Non-Patent Citations (2)
Title |
---|
JPN6012035630; V.E.Ogluzdin: '"Interpretation of the Visible Photoluminescence of Inequisized Silicon Nanoparticles Suspended in E' Semiconductors Vol.39, No.8, 200508, p.884-890 * |
JPN6012035632; 奥泰介 他: '"加熱溶液法によるシリコン半導体ナノ粒子の合成"' 第70回化学工学会年会研究発表講演要旨集 , 20050222, p.72 * |
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WO2007086225A1 (ja) | 2007-08-02 |
US7658899B2 (en) | 2010-02-09 |
US20090060825A1 (en) | 2009-03-05 |
JPWO2007086225A1 (ja) | 2009-06-18 |
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