Synergistically Optimizing Electrical and Thermal Transport Properties of BiCuSeO via a Dual-Doping Approach
Liu, Y; Zhao, LD; Zhu YC(朱英才); Yu MJ(于梅娟); Xu W(徐伟); Zhu, Y; Liu, Y; Li, F; Yu, M; Liu, DB; Xu, W; Lin, YH; Nan, CW
刊名ADVANCED ENERGY MATERIALS
2016
卷号6期号:9
DOI10.1002/aenm.201502423
通讯作者徐伟
文章类型期刊论文
英文摘要The layered oxyselenide BiCuSeO system is known as one of the high-performance thermoelectric materials with intrinsically low thermal conductivity. By employing atomic, nano-to mesoscale structural optimizations, low thermal conductivity coupled with enhanced electrical transport properties can be readily achieved. Upon partial substitution of Bi3+ by Ca2+ and Pb2+, the thermal conductivity can be reduced to as low as 0.5 W m(-1) K-1 at 873 K through dual-atomic point-defect scattering, while a high power factor of approximate to 1 x 10(-3) W cm(-1) K-2 is realized over a broad temperature range from 300 to 873 K. The synergistically optimized power factor and intrinsically low thermal conductivity result in a high ZT value of approximate to 1.5 at 873 K for Bi0.88Ca0.06Pb0.06CuSeO, a promising candidate for high-temperature thermoelectric applications. It is envisioned that the all-scale structural optimization is critical for optimizing the thermoelectricity of quaternary compounds.
类目[WOS]Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
关键词[WOS]HIGH THERMOELECTRIC PERFORMANCE ; DOPED BICUSEO ; CONDUCTIVITY ; OXYSELENIDES ; FIGURE ; SYSTEM ; MERIT ; POWER ; SNSE
语种英语
WOS记录号WOS:000379306400016
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260258
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
中国科学院高能物理研究所_多学科研究中心
作者单位中国科学院高能物理研究所
推荐引用方式
GB/T 7714
Liu, Y,Zhao, LD,Zhu YC,et al. Synergistically Optimizing Electrical and Thermal Transport Properties of BiCuSeO via a Dual-Doping Approach[J]. ADVANCED ENERGY MATERIALS,2016,6(9).
APA Liu, Y.,Zhao, LD.,朱英才.,于梅娟.,徐伟.,...&Nan, CW.(2016).Synergistically Optimizing Electrical and Thermal Transport Properties of BiCuSeO via a Dual-Doping Approach.ADVANCED ENERGY MATERIALS,6(9).
MLA Liu, Y,et al."Synergistically Optimizing Electrical and Thermal Transport Properties of BiCuSeO via a Dual-Doping Approach".ADVANCED ENERGY MATERIALS 6.9(2016).
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