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Colossal Barocaloric Effect in Carboranes as a Performance Tradeoff
Zhang, Kun1,2; Song, Ruiqi1; Qi, Ji1,3; Zhang, Zhe1,3; Zhang, Zhao1,3; Yu, Chenyang1,3; Li, Kuo4; Zhang, Zhidong1,3; Li, Bing1,3
Corresponding AuthorLi, Bing(bingli@imr.ac.cn)
2022-02-06
Source PublicationADVANCED FUNCTIONAL MATERIALS
ISSN1616-301X
Pages10
AbstractThe discovery of colossal barocaloric effects in organic plastic crystals has significantly advanced the development of solid-state refrigerant techniques. Adapting to the real application, a tradeoff of various barocaloric performances has to be achieved. Here, it is reported a novel plastic crystal system, that is, carboranes (C2B10H12), including three positional isomers: ortho-carborane, meta-carborane, and para-carborane, which are characterized by C-2v, C-2v, D-5d point groups, respectively. They all undergo an orthorhombic-to-tetragonal phase transition around room temperature. Compared to the previously reported organic plastic crystals, this system exhibits a combination of large pressure-normalized entropy changes, the high-pressure sensitivity of the transition temperature, small thermal hysteresis, and so forth. Their barocaloric performances are positional-isomerism dependent, and the best performances are obtained in para-carborane with maximum entropy changes of about 106.2 J kg(-1) K-1 achieved under pressure changes below 30 MPa. This study not only suggests that carboranes would be a considerably promising working material for barocaloric refrigeration at room temperature but also indicates that delicate tuning of molecular isomerism is an effective strategy to enhance barocaloric performances.
Keywordbarocaloric carboranes plastic crystals solid-state refrigeration
Funding OrganizationKey Research Program of Frontier Sciences of Chinese Academy of Sciences ; International Partner Program of Chinese Academy of Sciences ; National Natural Science Foundation of China ; China Postdoctoral Science Foundation
DOI10.1002/adfm.202112622
Indexed BySCI
Language英语
Funding ProjectKey Research Program of Frontier Sciences of Chinese Academy of Sciences[ZDBS-LY-JSC002] ; International Partner Program of Chinese Academy of Sciences[174321KYSB20200008] ; National Natural Science Foundation of China[11804346] ; National Natural Science Foundation of China[22022101] ; National Natural Science Foundation of China[52001101] ; China Postdoctoral Science Foundation[2021M693229]
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Multidisciplinary ; Chemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied ; Physics, Condensed Matter
WOS IDWOS:000751686200001
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/173503
Collection中国科学院金属研究所
Corresponding AuthorLi, Bing
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Harbin Univ Sci & Technol, Sch Sci, 52 Xuefu Rd, Harbin 150080, Heilongjiang, Peoples R China
3.Univ Sci & Technol China, Sch Mat Sci & Engn, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
4.Ctr High Pressure Sci & Technol Adv Res, 10 Xibeiwang East Rd, Beijing 100094, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Kun,Song, Ruiqi,Qi, Ji,et al. Colossal Barocaloric Effect in Carboranes as a Performance Tradeoff[J]. ADVANCED FUNCTIONAL MATERIALS,2022:10.
APA Zhang, Kun.,Song, Ruiqi.,Qi, Ji.,Zhang, Zhe.,Zhang, Zhao.,...&Li, Bing.(2022).Colossal Barocaloric Effect in Carboranes as a Performance Tradeoff.ADVANCED FUNCTIONAL MATERIALS,10.
MLA Zhang, Kun,et al."Colossal Barocaloric Effect in Carboranes as a Performance Tradeoff".ADVANCED FUNCTIONAL MATERIALS (2022):10.
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