典型文献
Interfacial ion regulation on 2D layered double hydroxide nanosheets for enhanced thermal insulation
文献摘要:
Exploring new strategies to broaden the upper/lower limit of thermal conductivity is of great interest to develop thermal management materials that can adapt to extreme environments.In this work,we employ an interfacial ion regulation to enhance the thermal insulation performance of 2D layered double hydroxide nanosheets.The introduction of interfacial ion enlarges the interplanar spacing of Co(OH)2 nanosheets from 4.64 to 8.05 ?,which reduces phonon scattering length perpendicular to the two-dimensional plane and leads to enhanced interlayer thermal insulation.The interfacial ion-regulated Co(OH)2(named as Co(OH)2-Mx-)exhibits 3-fold enhancement of thermal insulation through decreasing the thermal conductivity to as low as 0.15 W m-1 K-1,which is among the top values in 2D solid materials.We anticipate that interfacial ion regulation for 2D nanosheets paves a new avenue to break through the thermal insulation limit.
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作者姓名:
Chun Wang;Hengyu Xu;Han Cheng;Hao Yu;Si Liu;Wenjie Wang;Ruilin Yuan;Hongfei Liu;Tianpei Zhou;Wangsheng Chu;HengAn Wu;Yi Xie;Changzheng Wu
作者机构:
Hefei National Laboratory for Physical Sciences at the Microscale,University of Science and Technology of China,CAS Center for Excellence in Nanoscience,and CAS Key Laboratory of Mechanical Behavior and Design of Materials,Hefei 230026,China;CAS Key Laboratory of Mechanical Behavior and Design of Materials,Department of Modern Mechanics,CAS Center for Excellence in Complex System Mechanics University of Science and Technology of China,Hefei 230027,China;National Synchrotron Radiation Laboratory,University of Science and Technology of China,Hefei 230029,China;Institute of Energy,Hefei Comprehensive National Science Center Hefei 230031,China
文献出处:
引用格式:
[1]Chun Wang;Hengyu Xu;Han Cheng;Hao Yu;Si Liu;Wenjie Wang;Ruilin Yuan;Hongfei Liu;Tianpei Zhou;Wangsheng Chu;HengAn Wu;Yi Xie;Changzheng Wu-.Interfacial ion regulation on 2D layered double hydroxide nanosheets for enhanced thermal insulation)[J].中国科学:化学(英文版),2022(05):898-904
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0.528726
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