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周颖,甘国友,葛振华,易建宏,冯晶.PEDOT:PSS(聚3,4-乙撑二氧噻吩/聚苯乙烯磺酸盐)/ Bi0.5Sb1.5Te3复合材料热电性能研究[J].稀有金属材料与工程(英文),2019,48(12):4088~4092.[ZHOU Ying,Gan Guo-You,GE Zhen-Hua,Yi Jian-Hong and FENG Jing.Remarkably Enhanced Thermoelectric Properties of PEDOT: PSS/ Bi0.5Sb1.5Te3 Composites[J].Rare Metal Materials and Engineering,2019,48(12):4088~4092.]
Remarkably Enhanced Thermoelectric Properties of PEDOT: PSS/ Bi0.5Sb1.5Te3 Composites
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Received:October 12, 2018  Revised:November 03, 2018
DOI:
Key words: PEODT: PSS  Polymer thermoelectric  Seebeck
Foundation item:国家自然科学基金资助(项目号Grant No. 51501086);云南省教育厅科学研究基金项目资助(项目号:2017ZZX134)
Author NameAffiliation
ZHOU Ying,Gan Guo-You,GE Zhen-Hua,Yi Jian-Hong and FENG Jing  
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Abstract:
      The PEDOT:PSS/Bi0.5Sb1.5Te3 powder was prepared by a solution phase process and grounding in liquid N2. Then the powder was densified by hot press. The polymer composite powder was reformed to polymer bulk. The XRD and FESEM were used to check the phase structure and microstructure. The electrical transport properties and thermal conductivity were measured. The results showed that 90 wt% Bi0.5Sb1.5Te3 with PEDOT: PSS specimen got the highest ZT value of 0.1 at 75 ℃ which is 40 times higher than that of pristine PEDOT: PSS specimen. The Seebeck coefficient was greatly improved with the increase of Bi0.5Sb1.5Te3. The continuous distribution of inorganic phases is the key to improve Seebeck coefficient of composites.