研究生: |
謝尚祐 Shang-Yu Hsieh |
---|---|
論文名稱: |
合成金奈米粒子與應用於電子束阻劑中修飾的研究 Study of synthesis gold/PMMA hybride nanoparticles and application for electron beam lithography resists |
指導教授: |
朱鐵吉
Tieh-Chi Chu |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
原子科學院 - 生醫工程與環境科學系 Department of Biomedical Engineering and Environmental Sciences |
論文出版年: | 2003 |
畢業學年度: | 91 |
語文別: | 中文 |
論文頁數: | 110 |
中文關鍵詞: | 奈米, 電子束微影 |
外文關鍵詞: | nanoparticle, electron beam lithography |
相關次數: | 點閱:2 下載:0 |
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本論文研究是以發展有機聚合物分子poly(methylmethacrylate) (PMMA, Mw~15000)用來穩定所製造的金奈米粒子,利用PMMA包覆在金奈米粒子外圍,因為PMMA是長碳鏈疏水性,使得金與金之間不會因為太靠近而聚集,在本實驗中我們使用NaBH4當作還原劑,將Au3+還原為Au。並探討不同合成條件及配方來製造不同粒徑分佈的金奈米粒子。藉由控制PMMA的量可以穩定的合成不同粒徑的奈米粒子,且不需加熱即可在室溫下製備,具備了4個優點:1.大小一致性、2.分佈均勻性、3.製備過程便利性、4.可製備不同大小粒徑的奈米粒子,可製備的金奈米粒子粒徑大小約3-15nm。
論文的另一部分為摻雜不同金奈米粒子於電子束阻劑中對阻劑的影響,在加入金奈米粒子於電子束阻劑後,除了明顯的提升阻劑靈敏度及製程窗口之外,電子束阻劑的兩大問題:1.電子束電荷效應、2.阻劑抗蝕刻能力皆獲得很大的提升,減少將近10%的電荷效應及提升10%的阻劑抗蝕刻率。同時因為加入金奈米粒子於電子束阻劑,可以降低阻劑的玻態轉化溫度,使原本Tg為145℃的DSE-1010阻劑,在加入金奈米粒子後Tg降低為125℃,將此特性應用於熱流製程可以降低阻劑熱流的溫度,使阻劑在添加金奈米粒子後可以在較低溫作阻劑熱流製程。
In this study, we demonstrate a novel gold/PMMA hybridizing spherical nano ball and nano network structures. The linear polymer, poly (methyl methacrylate)(PMMA, MW = 15,000 g/mol) not only represents the stabilizer of gold nanoparticles, but also represents the bridge of neighbors gold nanoparticles during the synthesis procedures. The Fourier Transfer Infrared (FTIR) analysis data and Transition Electron Microscopy (TEM) image reveal that the core shell structure of gold/PMMA nanocomposite has been synthesized. With increasing the salt concentration via the increasing of ion-strength in the synthetic media, the core-shell structures would be fluctuation in the form of “dung worm”. After drying treatment, the TEM image reveals that the network structures of PMMA capped gold nanoparticles have been formed. With specific amount of PMMA presence in synthesis media, a single population of gold/PMMA hybridizing spherical nanoball was synthesized.
We synthesize gold nanoparticle, which was gold/PMMA hybridizing spherical nanoparticle. The linear polymer, poly (methyl methacrylate)(PMMA, MW = 15,000 g/mol) not only represents the stabilizer of gold nanoparticle, but also represents the bridge of neighbors gold nanoparticles during the synthesis procedures. It can also control gold nanoparticle size by different amount of PMMA. We put different size gold nanoparticle into electron beam resist. It can reduce charging effect by adding gold nanoparticle into electron beam resist.
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