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Effect of crystal size distribution on thermoelectric performance for Lanthanum-doped strontium titanate bulk material
Zhang, Boyu1; Wang, Jun1; Yaer, Xinba1; Huo, Zhenzhen2; Wu, Yin1; Li, Yan1; Miao, Lei3; Liu, Chengyan3; Zou, Tao4; Ma, Wen1
2015-12-01
Source PublicationFUNCTIONAL MATERIALS LETTERS
Volume8Issue:6
AbstractEffect of crystal size distribution on thermoelectric performance of Lanthanum-doped strontium titanate (La-SrTiO3) ceramics are investigated in this study. Thermoelectric performance measurement, coupled with microstructure studies, shows that the electrical conductivity strongly depends on the crystal size, potential barrier on the grain boundary and porosity. Meantime, because the average potential barriers height are increased along with the reduction of crystal size, the Seebeck coefficients are increased by energy filtering effect at the large number of grain boundaries. As a result, by controlling of crystal size distribution, ZT value of La-SrTiO3 is improved.
SubtypeArticle
KeywordStrontium Titanate Thermoelectric Material Crystal Size Molten Salt Synthesis Hydrothermal Synthesis
WOS HeadingsScience & Technology ; Technology
DOI10.1142/S1793604715500708
WOS Subject ExtendedMaterials Science
WOS KeywordGRAIN-BOUNDARY RESISTIVITIES ; SEEBECK COEFFICIENT ; SRTIO3 ; CERAMICS ; SPHERES
Indexed BySCI
Language英语
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000363782400007
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10881
Collection中国科学院广州能源研究所
Affiliation1.Inner Mongolia Univ Technol, Sch Mat Sci & Engn, Hohhot 010051, Inner Mongolia, Peoples R China
2.Hebei Univ Architecture, Zhang Jia Kou 075024, He Bei, Peoples R China
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrates, Guangzhou 510640, Guangdong, Peoples R China
4.Beijing Ctr Phys & Chem Anal, Beijing 100089, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Boyu,Wang, Jun,Yaer, Xinba,et al. Effect of crystal size distribution on thermoelectric performance for Lanthanum-doped strontium titanate bulk material[J]. FUNCTIONAL MATERIALS LETTERS,2015,8(6).
APA Zhang, Boyu.,Wang, Jun.,Yaer, Xinba.,Huo, Zhenzhen.,Wu, Yin.,...&Ma, Wen.(2015).Effect of crystal size distribution on thermoelectric performance for Lanthanum-doped strontium titanate bulk material.FUNCTIONAL MATERIALS LETTERS,8(6).
MLA Zhang, Boyu,et al."Effect of crystal size distribution on thermoelectric performance for Lanthanum-doped strontium titanate bulk material".FUNCTIONAL MATERIALS LETTERS 8.6(2015).
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