Facile Preparation and Thermoelectric Properties of Bi2Te3 Based Alloy Nanosheet/PEDOT:PSS Composite Films

被引：220

作者：

Du, Yong ^{[1
,2
]}

Cai, K. F. ^{[1
,3
]}

Chen, Song ^{[1
]}

Cizek, Pavel ^{[2
]}

Lin, Tong ^{[2
]}

机构：

[1] Tongji Univ, Funct Mat Res Lab, Shanghai 201804, Peoples R China

[2] Deakin Univ, Inst Frontier Mat, Geelong, Vic 3216, Australia

[3] Zhejiang Univ, State Key Lab Silicon Mat, Hangzhou 310027, Zhejiang, Peoples R China

来源：

ACS APPLIED MATERIALS & INTERFACES | 2014年 / 6卷 / 08期

基金：

中国国家自然科学基金;

关键词：

Bi2Te3; poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate); thermoelectric properties; composite films; QUANTUM-WELL STRUCTURES; SEEBECK COEFFICIENT; SIMULTANEOUS INCREASE; BISMUTH TELLURIDE; HIGH-FIGURE; PERFORMANCE; POWER; CONDUCTIVITY; NANOCOMPOSITES; NANOSHEETS;

D O I：

10.1021/am5002772

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Bi2Te3 based alloy nanosheet (NS)/poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonate) (PE-DOT:PSS) composite films were prepared separately by spin coating and drop casting techniques. The drop cast composite film containing 4.10 wt % Bi2Te3 based alloy NSs showed electrical conductivity as high as 1295.21 S/cm, which is higher than that (753.8 S/cm) of a dimethyl sulfoxide doped PEDOT:PSS film prepared under the same condition and that (850-1250 S/cm) of the Bi2Te3 based alloy bulk material. The composite film also showed a very high power factor value, similar to 32.26 mu Wm(-1) K-2. With the content of Bi2Te3 based alloy NSs increasing from 0 to 4.10 wt %, the electrical conductivity and Seebeck coefficient of the composite films increase simultaneously.

引用

页码：5735 / 5743

页数：9

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