Enhanced thermoelectric properties of porous hybrid ZnSb/EG-treated PEDOT:PSS composites

被引:12
|
作者
Paulraj, Immanuel [1 ]
Lourdhusamy, Vinothkumar [1 ]
Yang, Zong-Ren [2 ]
Wang, Chia-Hsin [2 ]
Liu, Chia- Jyi [1 ]
机构
[1] Natl Changhua Univ Educ, Dept Phys, Changhua, Taiwan
[2] Natl Synchrotron Radiat Res Ctr, Hsinchu 300, Taiwan
关键词
Hybrid inorganic-organic composite; Thermoelectrics; ZnSb; PEDOT; PSS; ELECTRONIC TRANSPORT; ZT VALUES; CONDUCTIVITY; PERFORMANCE; POLYANILINE; BLENDS;
D O I
10.1016/j.jpowsour.2023.233096
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
We adopt a new feasible strategy to fabricate hybrid inorganic-organic composites by soaking ZnSb in EG-treated PEDOT:PSS solution. The pristine ZnSb and the hybrid ZnSb/EG-treated PEDOT:PSS composites are characterized by X-ray diffraction (XRD), X-ray photoemission spectroscopy (XPS), field emission scanning electron microscope (FE-SEM), Hall measurements, electronic transport and thermal transport. The compositing effects of this hybrid material system include a decrease in lattice constants, an increase in bulk density, and a decrease in porosity with increasing soaking days. As a result, the hybrid ZnSb/EG-treated PEDOT:PSS composite with a soaking time of 30 days has a higher power factor and lower thermal conductivity than that of the pristine ZnSb. This results in an improvement in the magnitude of zT with zT = 0.71 at 525 K.
引用
收藏
页数:7
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