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  • 學位論文

製備氧化銦錫薄膜之光學與電學研究

Investigation of Optical and Electrical Properties of Indium-Tin Oxide Films

指導教授 : 林清彬

摘要


本研究利用共析出法及溶劑熱法成功製備摻雜鈣、鋰及銅之氧化銦錫粉末,摻雜濃度分別為4at%、6at%及8at%,並探討摻雜元素及含量對粉體之光學及電學性質影響。由XRD繞射分析知摻雜元素不會改變氧化銦錫晶體結構。由全光譜儀分析知,摻雜鈣離子會降低其能隙,呈現出紅移的趨勢;而摻雜鋰離子則會增加能隙,呈現出藍移的趨勢。由霍爾電壓分析知,載子濃度隨摻雜量提升而上升,遷移率則是相反。

關鍵字

摻雜 氧化銦錫

並列摘要


The present study has been successful prepared the Ca, Li and Cu -doped ITO powders by the processes of co-precipitation and solvothermal, and the doping concentration are 4at%, 6at%, and 8at%. The effects of doped-elements and content on the optical and electricity properties of ITO powders were investigated. By XRD diffraction analysis, we know that the doped-elements would not change the crystal structure of indium tin oxide. Doping Ca in ITO powders lowered its band-gap energy, and then the spectrum appeared the trends of red-shifted by UV-Visible-NIR spectrophotometer. The band-gap energy of Li -doped ITO powders tended to increase and then the spectrums appeared the trends of blue-shifted. With the increment of the doping concentration, the carrier concentration increased and the mobility decreased.

並列關鍵字

indium tin oxide doping lithium calcium copper

參考文獻


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[32] 蔡裕榮,周禮君,以溶膠凝膠法製備透明導電氧化物薄膜的探討,CHEMISTRY,60 (3) ( 2002),pp.307-318。
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