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Preparation and mechanical properties of Ce0.85Fe3CoSb12/rGO thermoelectric nanocomposite
Zong, Peng-An1,2; Chen, Li-Dong1
2017
Source PublicationWuji Cailiao Xuebao/Journal of Inorganic Materials
ISSN1000324X
Volume32Issue:1Pages:33-38
AbstractComparing to n-type filled skutterudite, p-type one owns poorer mechanical propertities, which becomes the weak link of integration and the design of skutterudite based thermoelectric devices. By utilizing outstanding wettability and hydrophily of graphene oxide (GO), network wrapping and homogeneous dispersion of GO were realized in Ce0.85Fe3CoSb12matrix particles via liquid dispersion. Spark plasma sintering was adopted to realize coherent densification and in-situ reduction of GO to rGO. Thus a 2-5 nm thick three dimensional reduced graphene oxide (rGO) wrapping structure in Ce0.85Fe3CoSb12/rGO nanocomposite was obtained, which would enhance the flexural strength and toughness by additional crack-expanding work with bridging effect. Comparing to the pure Ce0.85Fe3CoSb12material, flexural strength and toughness of Ce0.85Fe3CoSb12/rGO nanocomposite with 2.8vol% rGO were enhanced by up to 40% and 33%, respectively. Reinforcing and toughening effects were weakened when rGO content farther increased, due to the thickened rGO layers in the matrix grain boundaries. © 2017, Science Press. All right reserved.
DOI10.15541/jim20160220
EI Accession Number20170603325788
EI KeywordsIron compounds
EI Classification Number482.2 Minerals - 701.1 Electricity: Basic Concepts and Phenomena - 761 Nanotechnology - 804 Chemical Products Generally - 933 Solid State Physics - 951 Materials Science
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Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25724
Collection中国科学院上海硅酸盐研究所
Affiliation1.State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai; 200050, China;
2.University of Chinese Academy of Sciences, Beijing; 100864, China
Recommended Citation
GB/T 7714
Zong, Peng-An,Chen, Li-Dong. Preparation and mechanical properties of Ce0.85Fe3CoSb12/rGO thermoelectric nanocomposite[J]. Wuji Cailiao Xuebao/Journal of Inorganic Materials,2017,32(1):33-38.
APA Zong, Peng-An,&Chen, Li-Dong.(2017).Preparation and mechanical properties of Ce0.85Fe3CoSb12/rGO thermoelectric nanocomposite.Wuji Cailiao Xuebao/Journal of Inorganic Materials,32(1),33-38.
MLA Zong, Peng-An,et al."Preparation and mechanical properties of Ce0.85Fe3CoSb12/rGO thermoelectric nanocomposite".Wuji Cailiao Xuebao/Journal of Inorganic Materials 32.1(2017):33-38.
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