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典型文献
Enhanced thermoelectric performance of Cu2SnSe3 via synergistic effects of Cd-doping and CuGaTe2 alloying
文献摘要:
In this work,we show significantly enhanced thermoelectric performance in Cu2SnSe3 via a synergistic effect of Cd-doping and CuGaTe2 alloying in the temper-ature range of 300-823 K.Both the electron and phonon transport properties can be simultaneously regulated by Cd doping at Sn site,leading to a higher quality factor.Meanwhile,a maximum figure of merit(zT)value of~0.68 was obtained for Cu2Sn0.93Cdo.07Se3 sample at 823 K,which is about four times higher than that of the pristine sample(zT=0.18 at 773 K).Furthermore,Cu2Sn0.93Cd0.07Se3 was alloyed with CuGaTe2 to reduce the lattice thermal conductivity in the high-temperature region.Consequently,a further enhanced zT value(0.77,823 K)was achieved in the(Cu2Sn0.93Cd0.07Se3)0.94(Cu-GaTe2)0.06 sample,with a high average zT(zTave)value of 0.30 between 300 and 823 K.These results demonstrate that Cd-doping combined with CuGaTe2 alloying could be an effective method to enhance zT values of Cu2SnSe3 based compounds.
文献关键词:
作者姓名:
Yi-Jing Fan;Kun-Ling Peng;Yu-Ling Huang;Hui-Jun Liao;Zheng-Yong Huang;Jian Li;Yan-Ci Yan;Hao-Shuang Gu;Bin Zhang;Yong-Ming Hu;Xu Lu;Xiao-Yuan Zhou
作者机构:
Faculty of Physics and Electronic Sciences,Hubei Key Laboratory of Ferro and Piezoelectric Materials and Devices,Hubei University,Wuhan 430062,China;College of Physics,Chongqing University,Chongqing 400044,China;State Key Laboratory of Power Transmission Equipment and System Security and New Technology,Chongqing University,Chongqing 400044,China;School of Science,Chongqing University of Posts and Telecommunications,Chongqing 400065,China;Analytical and Testing Center,Chongqing University,Chongqing 400044,China
引用格式:
[1]Yi-Jing Fan;Kun-Ling Peng;Yu-Ling Huang;Hui-Jun Liao;Zheng-Yong Huang;Jian Li;Yan-Ci Yan;Hao-Shuang Gu;Bin Zhang;Yong-Ming Hu;Xu Lu;Xiao-Yuan Zhou-.Enhanced thermoelectric performance of Cu2SnSe3 via synergistic effects of Cd-doping and CuGaTe2 alloying)[J].稀有金属(英文版),2022(10):3466-3474
A类:
Cu2SnSe3,CuGaTe2,Cu2Sn0,93Cdo,07Se3,93Cd0,GaTe2,zTave
B类:
Enhanced,thermoelectric,performance,via,synergistic,effects,doping,alloying,In,this,work,show,significantly,enhanced,range,Both,electron,phonon,transport,properties,simultaneously,regulated,by,site,leading,higher,quality,Meanwhile,maximum,figure,merit,was,obtained,sample,which,about,four,times,than,that,pristine,Furthermore,alloyed,reduce,lattice,thermal,conductivity,temperature,region,Consequently,further,achieved,average,between,These,results,demonstrate,combined,could,effective,method,values,compounds
AB值:
0.38143
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