研究生: |
謝明穎 |
---|---|
論文名稱: |
以熱蒸鍍法製備摻雜錫之氧化銦奈米線及其光電性質研究 Study on the Synthesis, Optical and Electrical Properties of Tin-Doped Indium Oxide Nanowires by Thermal Evaporation Method |
指導教授: | 林樹均 |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
工學院 - 材料科學工程學系 Materials Science and Engineering |
論文出版年: | 2009 |
畢業學年度: | 97 |
語文別: | 中文 |
論文頁數: | 86 |
中文關鍵詞: | 氧化銦錫 、奈米線 、熱蒸鍍法 |
相關次數: | 點閱:2 下載:0 |
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本實驗以純銦及純錫粉末作為來源粉末,並使用高溫水平爐管為加熱源,通入Ar (90%) + H2 (10%)為載氣,成功藉由熱蒸鍍法在鍍金之矽基板上成長得到均勻且高密度的氧化銦錫奈米線。實驗結果顯示,高溫段為600°C的三段持溫製程為目前的最佳製程條件,且在接近來源粉末的高溫區,能得到較低溫區更高密度且均勻的奈米線。藉由GIAXRD與TEM的繞射點及高解析影像分析,可確認600°C及650°C製程所得之氧化銦錫奈米線為單晶的氧化銦結構。本實驗的奈米線析出機制為VLS機制,奈米線體為摻雜少量錫之氧化銦,奈米線末端有催化顆粒,其成分由金、銦、錫、氧所組成。本實驗製程所得之氧化銦錫奈米線的電阻率約在103 μΩ等級,符合導體的電性標準。在光譜分析部分,氧化銦錫奈米線對可見光的穿透率約為50 ∼ 60%,並在375 nm及585 nm波長位置有兩個吸收峰值,分別是由氧化銦錫本身的能隙及表面的氧空缺所造成。
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