JP5361376B2 - 表面改質を伴った半導体ナノ粒子 - Google Patents
表面改質を伴った半導体ナノ粒子 Download PDFInfo
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- JP5361376B2 JP5361376B2 JP2008519005A JP2008519005A JP5361376B2 JP 5361376 B2 JP5361376 B2 JP 5361376B2 JP 2008519005 A JP2008519005 A JP 2008519005A JP 2008519005 A JP2008519005 A JP 2008519005A JP 5361376 B2 JP5361376 B2 JP 5361376B2
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- B82—NANOTECHNOLOGY
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- 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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- 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
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- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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- 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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- 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
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- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
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- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78681—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising AIIIBV or AIIBVI or AIVBVI semiconductor materials, or Se or Te
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- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/78696—Thin film transistors, i.e. transistors with a channel being at least partly a thin film characterised by the structure of the channel, e.g. multichannel, transverse or longitudinal shape, length or width, doping structure, or the overlap or alignment between the channel and the gate, the source or the drain, or the contacting structure of the channel
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Description
1.既知のバルク相と比較して異なる構造および組成;
2.表面の状態および過程を支配させる、より高い体積に対する表面比;および
3.物体のサイズが、波長および基本励起(電子状態、光学波長またはフォノン励起)の可干渉距離と同様または小さい場合の、量子閉じこめの効果。
半導体インクはMTI Crystals Corpの市販の真性シリコンナノ粉末から準備した。初期粉末はシランガスのレーザー分解によって、無酸素環境において生産される。これは通常、保証酸素濃度が1ないし2 %である乾燥窒素雰囲気内で出荷される。水素濃度は特定せず、および他の不純物は検出されない。
実施例2:
半導体機能をもつナノ粒子の第2の実施例は、上記で定義したように、チョクラルスキー結晶成長によるドープされた単結晶シリコンウエハーの機械的摩耗によって作成されたナノ粒子シリコンに関する。これらは、ウエハーにおける自然酸化物を前もって除去することなしに、空気中で1時間、高スピードで環状粉砕機によって粉砕した。従って高酸素濃度が期待されるが、これは未確認のままである。得られた粒子は不規則な形であり、最大寸法の中央値が200nmで、数十ナノメートルから400nmに渡る、広いサイズ分布を有する。平均サイズの粒子は遠心分離機によって分離され、エタノールの懸濁液により沈殿した。
半導体機能性を有するナノ粒子の第3の実施例は、上記で定義したように、南アフリカ共和国、ポロクワネのSilicon Smelters (Pty) Ltdによって提供された、98%純度の金属級のシリコンの機械的摩擦によって生産されたナノ粒子シリコンに関する。シリコン原料は5日間、空気中でロータリーボール粉砕機において粉砕し、15mm直径のイットリウム安定化ジルコニアを粉砕媒体(Inframat Incによる提供)、およびエタノールを潤滑油として使用した。得られた粒子のサイズは2時間の粉砕に環状粉砕機を使用し作成した同物質由来の粉末と比較して、およそ100nmと見積もられた。シリコンにおける前処理は適用されず、およびシリコンウエハーより生産された粉末(実施例2)に対して、同様の酸素および水素濃度を有することが明らかとなった。91%の粉末両画分を有する、ナノ粒子インクで、両方法によって粉砕された粉末を使用して生産されたものは、比抵抗が2.2 MΩ cmのn型である、同様な電気的特性を有する。
Claims (33)
- シリコンの半導体ナノ粒子であって、
1nmないし500nmの範囲のサイズを有し、ここに、半導体ナノ粒子の表面が、酸素または酸素および水素の混合の存在により修飾され、酸素が、シリコンの酸化物、または架橋酸素基として存在し、1単分子層またはそれ以下で自己限定的である安定した表面パッシベーション層を規定することを特徴とする該半導体ナノ粒子。 - 30nmないし200nmの範囲のサイズを有する請求項1記載の半導体ナノ粒子。
- 60nmの平均直径を有する、請求項2記載の半導体ナノ粒子。
- 20nmないし400nmの範囲のサイズ分布を有し、最大寸法の中央値が200nmである、請求項1記載の半導体ナノ粒子。
- 100nmの平均サイズを有する、請求項1記載の半導体ナノ粒子。
- 真性シリコンを含む、請求項1ないし5のいずれか1記載の半導体ナノ粒子。
- シリコンが金属級のシリコンである、請求項1ないし5のいずれか1記載の半導体ナノ粒子。
- ドープされたシリコンを含む、請求項1ないし5のいずれか1記載の半導体ナノ粒子。
- シリコンがVまたはVI族元素でドープされ、およびn型の特性を有する、請求項8記載の半導体ナノ粒子。
- シリコンがアンチモンまたはリンでドープされた、請求項9記載の半導体ナノ粒子。
- シリコンがIIまたはIII族元素でドープされ、およびp型の特性を有する、請求項8記載の半導体ナノ粒子。
- シリコンがホウ素でドープされた、請求項11記載の半導体ナノ粒子。
- 酸化物が自然酸化物である、請求項1ないし12のいずれか1記載の半導体ナノ粒子。
- 酸化物が熱的または化学的合成によって生産され、および続いて電荷の流れが起こるよう修飾された、請求項1ないし12のいずれか1記載の半導体ナノ粒子。
- 酸化物がエッチングされて、その厚みを低下させおよび/またはその気孔率を増加させた、請求項14記載の半導体ナノ粒子。
- 物質が合成中の酸化物に含ませて、酸化物に半導体特性をもたらす、請求項14記載の半導体ナノ粒子。
- 各半導体ナノ粒子の表面が部分的または全体的に酸素または水素で終了する、請求項1ないし12のいずれか1記載の半導体ナノ粒子。
- 各半導体ナノ粒子の表面が部分的または全体的にヒドロキシル(OH)基で終了する、請求項1ないし12のいずれか1記載の半導体ナノ粒子。
- 各半導体ナノ粒子の表面が部分的または全体的に酸素、水素およびヒドロキシル基の組合せで終了する、請求項1ないし12のいずれか1記載の半導体ナノ粒子。
- 請求項1ないし19のいずれか1記載の半導体ナノ粒子およびバインダーを含む印刷可能な組成物。
- バインダーが導体、半導体または絶縁体である、無機バインダーである、請求項20記載の印刷可能な組成物。
- バインダーが導体、半導体または絶縁体である、ポリマーバインダーである、請求項20記載の印刷可能な組成物。
- バインダーが、半導体ナノ粒子の物質と反応をしてその半導体特性を供する成分を有する、化学的に活性なバインダーである、請求項20記載の印刷可能な組成物。
- 請求項1ないし19のいずれか1記載の半導体ナノ粒子、および半導体ナノ粒子が分散した固体マトリックスを含む複合材料。
- 半導体ナノ粒子がマトリックス内でランダムに分散した、請求項24記載の複合材料。
- 半導体ナノ粒子がマトリックス内で規則的配置で分散された、請求項24記載の複合材料。
- 請求項1ないし19のいずれか1記載の半導体ナノ粒子を含み、ここに半導体ナノ粒子は相互接続ネットワークまたは緻密体を形成する複合材料。
- 請求項20ないし23のいずれか1記載の印刷可能な組成物または請求項24ないし27のいずれか1記載の複合材料を含む、活性な半導体層または構造。
- 請求項28記載の少なくとも1つの半導体層または構造を含む、半導体機器、構成要素または回路素子。
- 少なくとも1つの請求項29記載の半導体機器を含む電気もしくは電子回路または、電子部品の組立品。
- シリコンを酸素または酸素および水素の混合の存在下で粉砕して、n型またはp型の半導体特性、1nmないし500nmの範囲のサイズを有するナノ粒子を得る工程を含み、ここに、ナノ粒子の表面が、酸素または酸素および水素の混合の存在により修飾され、酸素が、シリコンの酸化物、または架橋酸素基として存在し、1単分子層またはそれ以下で自己限定的である安定した表面パッシベーション層を規定することを特徴とする、ナノ粒子の製法。
- シリコンがドープされた、または真性シリコンを含む、請求項31記載の製法。
- シリコンの粉砕が空気の存在下で行われる、請求項31または請求項32記載の製法。
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US20080083926A1 (en) * | 2006-10-10 | 2008-04-10 | Nokia Corporation | Printing device structures using nanoparticles |
JP5750706B2 (ja) * | 2009-10-29 | 2015-07-22 | 小川 一文 | Si微粒子を用いたTFT及びその製造方法とそれらを用いたTFTアレイと表示デバイス |
KR20110061751A (ko) * | 2009-12-02 | 2011-06-10 | 한국전자통신연구원 | 열전소자용 유-무기 하이브리드 나노섬유 및 그 제조방법 |
WO2012035494A1 (en) | 2010-09-13 | 2012-03-22 | University Of Cape Town | Printed temperature sensor |
JP2013539908A (ja) | 2010-09-13 | 2013-10-28 | ピーエスティ・センサーズ・(プロプライエタリー)・リミテッド | ディスクリート電子部品の組立およびパッケージング方法 |
EP2647072B1 (en) * | 2010-11-30 | 2020-07-29 | Msmh, Llc | Method for deposition of nanoparticles onto substrates and high energy density device fabrication |
FR2972461B1 (fr) * | 2011-03-09 | 2021-01-01 | Inst Nat Sciences Appliquees Lyon | Procede de fabrication de nanoparticules semi-conductrices |
US9461309B2 (en) * | 2012-08-21 | 2016-10-04 | Kratos LLC | Group IVA functionalized particles and methods of use thereof |
CN104781956B (zh) | 2012-08-21 | 2018-01-30 | 克雷多斯公司 | Iva族官能化粒子及其使用方法 |
KR101525525B1 (ko) | 2014-02-05 | 2015-06-03 | 삼성전자주식회사 | 나노 결정 입자 및 그의 제조 방법 |
JP2017513787A (ja) * | 2014-02-21 | 2017-06-01 | クラトス・エル・エル・シー | 官能基化第iva族粒子の構造体のためのナノシリコン材料の調製 |
WO2015176045A1 (en) | 2014-05-15 | 2015-11-19 | Quickhatch Corporation | Methods and systems for the synthesis of nanoparticles including strained nanoparticles |
WO2015176051A1 (en) | 2014-05-15 | 2015-11-19 | Quickhatch Corporation | Lithium intercalated nanocrystal anodes |
WO2015176028A1 (en) | 2014-05-15 | 2015-11-19 | Quickhatch Corporation | Method for producing sulfur charged carbon nanotubes and cathodes for lithium ion batteries |
GB201513366D0 (en) * | 2015-07-29 | 2015-09-09 | Univ Ulster | Photovoltaic device |
JP2019520682A (ja) | 2016-07-05 | 2019-07-18 | クラトス・エル・エル・シー | 不動態化されたプレリチウム化ミクロン及びサブミクロンiva族元素粒子及びこの調製方法 |
JP7057772B2 (ja) * | 2016-07-19 | 2022-04-20 | クォンタム シリコン インコーポレイテッド | 多シリコン原子量子ドットおよびそれを包括したデバイス |
JP6855782B2 (ja) * | 2016-12-21 | 2021-04-07 | 株式会社豊田中央研究所 | 結晶性窒化ガリウム(GaN)及び結晶性窒化ガリウム(GaN)の気相成長方法 |
US11637280B2 (en) | 2017-03-31 | 2023-04-25 | Kratos LLC | Precharged negative electrode material for secondary battery |
WO2024062628A1 (ja) * | 2022-09-22 | 2024-03-28 | シャープディスプレイテクノロジー株式会社 | 発光素子、表示デバイス、発光素子の製造方法 |
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CN106185797B (zh) | 2019-03-12 |
WO2007004014A3 (en) | 2007-05-18 |
KR101462435B1 (ko) | 2014-11-17 |
CN101218168A (zh) | 2008-07-09 |
US8354662B2 (en) | 2013-01-15 |
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