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Nano-inclusions: a novel approach to tune the thermal conductivity of In2O3
Xu, W; Liu, Y; Chen, B; Liu, DB; Lin, YH; Marcelli, A;徐伟
2013
发表期刊PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷号15期号:40页码:17595-17600
摘要Indium oxides such as In2O3 based thermoelectric ceramics exhibit a figure of merit ZT similar to 0.5 above 1000 K, while optimized ZnO based thermoelectrics may reach ZT similar to 0.3 at 1273 K. A way to further optimize the thermoelectric performance is to tune the thermal conductivity. In this work, a reduction of the thermal conductivity greater than 30% has been observed. Combining thermal conductivity measurements, Scanning Electron Microscopy (SEM) images, X-ray Absorption Fine-structure spectroscopy (XAFS) data and Full Multiple Scattering calculations, we associated the phenomenon with an effective scattering of mid-and long-wavelength phonons by embedded ZnO nano-inclusions in the In2O3 matrix. The results suggest a protocol for the synthesis of new heat-designed materials for many novel applications, such as high ZT thermoelectrics, thermal crystals, heat optics devices, etc.
学科领域Chemistry; Physics
DOI10.1039/c3cp52942h
收录类别SCI
WOS记录号WOS:000325398500065
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被引频次:13[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/311005/224356
专题多学科研究中心
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Xu, W,Liu, Y,Chen, B,et al. Nano-inclusions: a novel approach to tune the thermal conductivity of In2O3[J]. PHYSICAL CHEMISTRY CHEMICAL PHYSICS,2013,15(40):17595-17600.
APA Xu, W,Liu, Y,Chen, B,Liu, DB,Lin, YH,&Marcelli, A;徐伟.(2013).Nano-inclusions: a novel approach to tune the thermal conductivity of In2O3.PHYSICAL CHEMISTRY CHEMICAL PHYSICS,15(40),17595-17600.
MLA Xu, W,et al."Nano-inclusions: a novel approach to tune the thermal conductivity of In2O3".PHYSICAL CHEMISTRY CHEMICAL PHYSICS 15.40(2013):17595-17600.
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