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Solid-State Explosive Reaction for Nanoporous Bulk Thermoelectric Materials
Zhao, Kunpeng1,2; Duan, Haozhi1,2; Raghavendra, Nunna1; Qiu, Pengfei1; Zeng, Yi1; Zhang, Wenqing1,3,5; Yang, Jihui4; Shi, Xun1; Chen, Lidong1,3
2017
发表期刊Advanced Materials
ISSN09359648
卷号29期号:42
摘要High-performance thermoelectric materials require ultralow lattice thermal conductivity typically through either shortening the phonon mean free path or reducing the specific heat. Beyond these two approaches, a new unique, simple, yet ultrafast solid-state explosive reaction is proposed to fabricate nanoporous bulk thermoelectric materials with well-controlled pore sizes and distributions to suppress thermal conductivity. By investigating a wide variety of functional materials, general criteria for solid-state explosive reactions are built upon both thermodynamics and kinetics, and then successfully used to tailor material's microstructures and porosity. A drastic decrease in lattice thermal conductivity down below the minimum value of the fully densified materials and enhancement in thermoelectric figure of merit are achieved in porous bulk materials. This work demonstrates that controlling materials' porosity is a very effective strategy and is easy to be combined with other approaches for optimizing thermoelectric performance. © 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
DOI10.1002/adma.201701148
EI入藏号20174004236976
EI主题词Thermal conductivity of solids
EI分类号615.4 Thermoelectric Energy - 641.1 Thermodynamics - 701.1 Electricity: Basic Concepts and Phenomena - 802.2 Chemical Reactions - 933.1.1 Crystal Lattice - 951 Materials Science
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文献类型期刊论文
条目标识符http://ir.sic.ac.cn/handle/331005/25469
专题中国科学院上海硅酸盐研究所
作者单位1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.Shanghai Institute of Ceramics, University of Chinese Academy of Sciences, Beijing; 100049, China;
3.Shanghai Institute of Materials Genome, Shanghai, China;
4.Materials Science and Engineering Department, University of Washington, Seattle; WA; 98195, United States;
5.Department of Physics, Southern University of Science and Technology, Shenzhen; Guangdon; 518055, China
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GB/T 7714
Zhao, Kunpeng,Duan, Haozhi,Raghavendra, Nunna,et al. Solid-State Explosive Reaction for Nanoporous Bulk Thermoelectric Materials[J]. Advanced Materials,2017,29(42).
APA Zhao, Kunpeng.,Duan, Haozhi.,Raghavendra, Nunna.,Qiu, Pengfei.,Zeng, Yi.,...&Chen, Lidong.(2017).Solid-State Explosive Reaction for Nanoporous Bulk Thermoelectric Materials.Advanced Materials,29(42).
MLA Zhao, Kunpeng,et al."Solid-State Explosive Reaction for Nanoporous Bulk Thermoelectric Materials".Advanced Materials 29.42(2017).
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