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导电聚苯胺薄膜上Bi_2Te_3合金层的电沉积及其热电性能
薄向辉; 杨永进; 张劲松
2008-12-25
Source Publication材料研究学报
Issue6Pages:645-650
Abstract在导电聚苯胺薄膜上电沉积n型Bi-Te合金薄膜,采用循环伏安、XRD、EDS和SEM等手段分别对电化学沉积过程和产物的结构、形貌及组成等进行了表征,研究了聚苯胺绝缘化处理前后Bi_2Te_3沉积层热电性能的变化,以及沉积电位对其结构和性能的影响.结果表明:在180℃保温3 h可大大降低聚苯胺薄膜的导电性;阴极电位在-125 mV与-340 mV之间变化时,Bi-Te合金中的Te含量呈近似抛物线变化,且在-125 mV达到最大值67.76%;Te含量不同也相应地改变了沉积层的组织结构和热电性能;基体的导电性影响聚苯胺薄膜的热电参数测试值,通过热处理消除基体的影响后,热电薄膜的塞贝克系数和导电率的测量值分别提高了47.6μV/K和6.86×10~4s/m,功率因子从热处理前的1.6×10~(-4)W/K~2m提高到处理后的14.3×10~(-4)W/K~2m.
description.department中国科学院金属研究所;
Keyword金属材料 热电薄膜 碲化铋 导电聚苯胺薄膜电极
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/24246
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
薄向辉,杨永进,张劲松. 导电聚苯胺薄膜上Bi_2Te_3合金层的电沉积及其热电性能[J]. 材料研究学报,2008(6):645-650.
APA 薄向辉,杨永进,&张劲松.(2008).导电聚苯胺薄膜上Bi_2Te_3合金层的电沉积及其热电性能.材料研究学报(6),645-650.
MLA 薄向辉,et al."导电聚苯胺薄膜上Bi_2Te_3合金层的电沉积及其热电性能".材料研究学报 .6(2008):645-650.
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