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自己組み立てのコンパクトなオルガノフォスフォナート単層を,シリコンの原生酸化物表面に結合する
Eric L Hanson1, Jeffrey Schwartz, Bert Nickel
1Department of Chemistry, Princeton University, Princeton, New Jersey 08544-1009, USA.
Journal of the American Chemical Society
|December 18, 2003
まとめ
研究者らは,酸化シリコンの表面に頑丈なフォスフォナート単層フィルムを作成するための新しい方法を開発しました. このテクニックは,表面科学におけるアプリケーションのために,包括的な表面カバーとオーダーされた分子パッキングを保証します.
科学分野:
- マテリアルサイエンス 材料科学
- 表面化学について
- ナノテクノロジー ナノテクノロジー
背景:
- シリコン酸化物表面の単層フィルムは,様々な用途において極めて重要です.
- 強く結合し,コンパクトなフィルムのための方法を開発することは,継続的な挑戦です.
研究 の 目的:
- アルキルおよびアリルフォスフォネートから強く結合した,コンパクトな単層フィルムを製造するための新しい方法を導入する.
- 特定のフォスフォナート分子を用いて,この方法の有効性を実証する.
主な方法:
- 固有酸化シリコン (SiO2) /Si) 表面にアルキルおよびアリルフォスフォナートフィルムを準備する.
- 原子力顕微鏡 (AFM) による表面覆面と薄膜の厚さの分析.
- 精密なフィルム特徴化のためのX線反射性と重力測定分析.
主要な成果:
- オクタデシルフォスフォナートとアルファ-クォーターチオフェン-2-フォスフォナートの両方に対して,包括的な表面覆蓋を達成しました.
- 4TP/SiO(2)/Si.2) について測定した薄膜の厚さは約18 Å です.
- 表面覆い面値は,結晶構造に近い分子包装を示しています.
結論:
- 記述された方法は,SiO{2}/Si.2) の上に強く結合したコンパクトな単層フィルムの形成を可能にします.
- フィルムは,優れた表面覆い面と,オーダーされた分子配列を示しています.
- この技術は,フォスフォナート単層による表面機能化のための信頼性の高い経路を提供します.
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