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P-N Conversion in a Water Ionic Liquid Binary System for Nonredox Thermocapacitive Converters
Jia, Hanyu1; Ju, Zhaoyang2; Tao, Xinglei1; Yao, Xiaoqian2; Wang, Yapei1
2017-08-08
Source PublicationLANGMUIR
ISSN0743-7463
Volume33Issue:31Pages:7600-7605
Abstract

An intriguing p-n conversion of thermoelectric property was observed in a water ionic liquid ([EMIm][Ac]) binary system with precise control over water content. The highest p-type and n-type Seebeck coefficient were optimized at water [EMIm] [Ac] molar ratio of 2:1 and 4:1, respectively. DFT calculation illustrates that a configuration of solvent separation ion pairs is preferred at the water [EMIm][Ac] molar ratio of 4:1, leading to the p-n conversion through weakening, interaction between anion clusters and gold electrodes. Furthermore, p-n thermocapacitive converters were integrated to enhance the output Seebeck voltages. This work opens up new perspectives for harvesting low grade heat with the use of fluidic materials.

SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1021/acs.langmuir.7b00746
Indexed BySCI
Language英语
WOS KeywordLow-grade Heat ; Thermoelectric-power Factor ; Thin-film ; Carbon Nanotubes ; Hydrogen-bonds ; Polymer ; Energy ; Supercapacitors ; Transition ; Electrodes
WOS Research AreaChemistry ; Materials Science
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Materials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China(51373197 ; 21422407)
WOS IDWOS:000407521700002
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23150
Collection多相复杂系统国家重点实验室
Affiliation1.Renmin Univ China, Dept Chem, Beijing 100872, Peoples R China
2.Chinese Acad Sci, Beijing Key Lab Ion Liquids Clean Proc, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Jia, Hanyu,Ju, Zhaoyang,Tao, Xinglei,et al. P-N Conversion in a Water Ionic Liquid Binary System for Nonredox Thermocapacitive Converters[J]. LANGMUIR,2017,33(31):7600-7605.
APA Jia, Hanyu,Ju, Zhaoyang,Tao, Xinglei,Yao, Xiaoqian,&Wang, Yapei.(2017).P-N Conversion in a Water Ionic Liquid Binary System for Nonredox Thermocapacitive Converters.LANGMUIR,33(31),7600-7605.
MLA Jia, Hanyu,et al."P-N Conversion in a Water Ionic Liquid Binary System for Nonredox Thermocapacitive Converters".LANGMUIR 33.31(2017):7600-7605.
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