研究生: |
謝文儀 Wen Yi Shie |
---|---|
論文名稱: |
金奈米顆粒在原子力顯微鏡探針之表面修飾研究 The Atomic Force Microscopy tip modified by the gold nanoparticle |
指導教授: |
曾繁根
Fang Gang Tseng |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
原子科學院 - 工程與系統科學系 Department of Engineering and System Science |
論文出版年: | 2007 |
畢業學年度: | 95 |
語文別: | 中文 |
論文頁數: | 66 |
中文關鍵詞: | 原子力顯微鏡 、奈米顆粒 、修飾 |
外文關鍵詞: | AFM, nanoparticle, modify |
相關次數: | 點閱:2 下載:0 |
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本篇論文中,說明如何外加一偏壓使得原子力顯微鏡(Atomic Force Microscopy,AFM)的探針尖端附著上少量的金奈米顆粒,達到提高AFM探針解析度以利後續AFM在生物檢測上的應用,包含量測奈米等級之生物分子型態、單一分子內之鍵結力量、分子與分子間之作用力量、單一活體細胞之奈米力學等等。此研究中是以物理性的方式來達到修飾AFM探針,藉由改變驅動電壓的大小、觸發方式以及施加偏壓的時間長短,控制附著在AFM探針尖端上的金奈米顆粒,並利用掃瞄式電子顯微鏡(Scanning Electron Microscopy,SEM)影像、X光光電子能譜儀(X-ray Photoelection Spectroscopy,XPS)分析及螢光影像(Hamamatsu)驗證金奈米顆粒附著在探針尖端。實驗結果顯示,對單一40nm金顆粒施加single voltage pulse 10mV~50mV、pulse width 1ms~100us;對單一13nm金顆粒施加single voltage pulse 25mV~50mV、pulse width 20~200ns時,可以使金奈米顆粒附著在AFM探針尖端。
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