摻雜Na與PbI2元素之PbTe材料熱電性質

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Title:	摻雜Na與PbI2元素之PbTe材料熱電性質
Authors:	蔡博章 Tsai, Bor-Jang
Contributors:	機械工程學系 Mechanical Engineering
Keywords:	粉末冶金;碲化鉛;功率因子 powder metallurgical techniques;PbTe;power factor
Date:	2009
Issue Date:	2014-06-27 03:25:53 (UTC+8)
Abstract:	此篇研究是以粉末冶金的技術製作摻雜PbI2或是Na的碲化鉛N型與P型樣品。製作的過程中對於粉末顆粒的大小、壓密的密度、燒結的影響進行分析，以進行各參數的最佳化定義。實驗中，對於平均溫度100℃到250℃的樣品進行Seebeck係數與電阻率的測量，測量結果經過計算後可以得到不同摻雜濃度樣品的功率因子。在功率轉換因子方面，N型樣品明顯的比P型樣品好，兩者的最佳功率轉換因子曲線分別落在元素摻雜濃度PbI2為0.05 at% 與Na在0.50 at% 的摻雜量。 In this study, the PbTe samples doped with PbI2 or Na were prepared using powder metallurgical techniques. The preparation procedures were optimized by the experimental results with respect to powder particle size, compaction pressure, and influence of si
Appears in Collections:	[Department of Mechanical Engineering] Seminar papers

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