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Updated: Jul 17, 2026

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays

Published on: April 15, 2013

アルケンの水溶化による制御されたシリコン表面機能化.

Alexander Langner¹, Anthony Panarello, Sandrine Rivillon

¹Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, New Jersey 08854, USA.

Journal of the American Chemical Society

|September 15, 2005

まとめ

紫外線照射により,インデネリガンドが酸化物のないシリコン表面に効率的に固定されます. この方法は,溶媒相互作用または触媒誘発酸化によって妨げられる溶媒媒介反応とは異なり,基板酸化を回避します.

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Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment

Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment

Published on: November 9, 2015

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Published on: September 5, 2018

関連する実験動画

Last Updated: Jul 17, 2026

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays

Published on: April 15, 2013

Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment

Selective Area Modification of Silicon Surface Wettability by Pulsed UV Laser Irradiation in Liquid Environment

Published on: November 9, 2015

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Surface Functionalization of Metal-Organic Frameworks for Improved Moisture Resistance

Published on: September 5, 2018

科学分野:

表面化学について
マテリアルサイエンス材料科学
ナノテクノロジーナノテクノロジー

背景:

リガンドの不動化は,表面の機能化にとって極めて重要です.
水素末端のシリコン表面は,ユニークな反応性を有しています.
溶媒と触媒の効果を理解することは,表面反応の制御の鍵です.

研究の目的:

インデネリガンドの水素終結シリコン表面への固定化を調査する.
オキシードフリーと酸化シリコンの固定効率を比較するために.
紫外線で誘発されたリガンド結合のメカニズムを解明する.

主な方法:

赤外線吸収スペクトロスコピーは,リガンドの不動化を監視するために使用されました.
2種類の表面が研究されました:酸化物のないSi [H/Si(111) ]と酸化Si [H/SiO2/Si].
異なる溶媒 (2-プロパノール,クロロベンゼン) と触媒 (H2PtCl6) の影響を調べました.

主要な成果:

溶媒の選択は,触媒の活性とリガンドの結合に重大な影響を及ぼします.
2-プロパノールはリガンドの結合を阻害し,クロロベンゼンは結合を許すが,シリコンの酸化を引き起こす.
オキシドのない表面へのUV照射は,基板の酸化なしに効率的なリガンド不動化を促進します.
薄い酸化物層 [H/SiO2/Si] を有するH端表面のUV誘発の固定化は不活性であった.

結論:

紫外線照射は,酸化物のないシリコン表面でのインデネリガンドの不動化のための優れた方法です.
紫外線による不動化のメカニズムは,基板の電子孔対 (エキシトン) の刺激を伴う.
表面の酸化と溶媒の選択は,リガンド不動化戦略の成功に大きな影響を与えます.