南方科技大学知识苑(SUSTech KC): Thermally Sensitive N-Type Thermoelectric Aniline Oligomer-Block-Polyethylene Glycol-Block-Aniline Oligomer ABA Triblock Copolymers

题名	Thermally Sensitive N-Type Thermoelectric Aniline Oligomer-Block-Polyethylene Glycol-Block-Aniline Oligomer ABA Triblock Copolymers
作者	Cheng, Xiang-Le 1; Zhang, Yun-Fei 1; Wu, Yan-Guang 1; Fu, Ping 1; Lin, Zhi-Dong 1; Du, Fei-Peng 1; Cheng, Chun2
通讯作者	Zhang, Yun-Fei; Du, Fei-Peng
发表日期	2018-05
DOI	10.1002/macp.201700635
发表期刊	MACROMOLECULAR CHEMISTRY AND PHYSICS 影响因子和分区
ISSN	1022-1352
EISSN	1521-3935
卷号	219 期号:9
摘要	High-performance n-type thermoelectric polymers are vital in the development of polymer thermoelectric generators (PTEGs). However, the progress is very slow due to their low stability and low thermoelectric properties. Here, aniline oligomer-block-polyethylene glycol-block-aniline oligomer (ANI)(n)-bPEO- b-(ANI)(n)) (n = 4, 8, 16) are prepared and studied. The results indicate that the (ANI)(n)-b-PEO-b-(ANI)(n) show unique temperature sensitivity and switch from p-type to n-type when the temperature is above 300 K. Differential scanning calorimetry curves show that the T-g of the (ANI)(n)-b-PEO-b-(ANI)(n) is lower than 300 K, indicating that PEO segments of the (ANI)(n)-b-PEO-b-(ANI)(n) easily move above 300 K and have high flexibility. Temperature-dependent Raman spectra confirm that there are strong interactions between PEO segments and aniline oligomers during the raising temperature, and PEO chains might provide plenty of negative charge at high temperature, which can convert the (ANI)(n)-b-PEO-b-(ANI)(n) into n-type thermoelectric materials. To adjust the number of aniline unit, (ANI)(8)-b-PEO-b-(ANI)(8) shows excellent n-type characteristics with Seebeck coefficient as large as -1171 mu V K-1 at 381 K. The strong interaction between PEO and aniline oligomers plays a dominant role in the n-type thermoelectric performance of the triblock copolymers, which have potential application in the field of PTEGs and temperature sensors.
关键词	aniline oligomers n-type polyethylene glycol thermoelectric properties triblock copolymers
相关链接	[来源记录]
收录类别	SCI ; EI
语种	英语
学校署名	其他
资助项目	Natural National Science Foundation of China[51373126]
WOS研究方向	Polymer Science
WOS类目	Polymer Science
WOS记录号	WOS:000431663900011
出版者	WILEY-V C H VERLAG GMBH
EI入藏号	20181104912489
EI主题词	Block copolymers ; Differential scanning calorimetry ; Oligomers ; Polyethylene glycols ; Polyethylenes ; Temperature sensors ; Thermoelectric equipment ; Thermoelectricity
EI分类号	Thermoelectric Energy:615.4 ; Electricity: Basic Concepts and Phenomena:701.1 ; Organic Compounds:804.1 ; Polymeric Materials:815.1 ; Organic Polymers:815.1.1 ; Temperature Measuring Instruments:944.5 ; Temperature Measurements:944.6
ESI学科分类	CHEMISTRY
来源库	Web of Science
引用统计	被引频次[WOS]：8
成果类型	期刊论文
条目标识符	http://sustech.caswiz.com/handle/2SGJ60CL/27770
专题	工学院_材料科学与工程系
作者单位	1.Wuhan Inst Technol, Sch Mat Sci & Engn, Wuhan 430074, Hubei, Peoples R China 2.Southern Univ Sci & Technol, Dept Mat Sci & Engn, Shenzhen 518055, Peoples R China
推荐引用方式 GB/T 7714	Cheng, Xiang-Le,Zhang, Yun-Fei,Wu, Yan-Guang,et al. Thermally Sensitive N-Type Thermoelectric Aniline Oligomer-Block-Polyethylene Glycol-Block-Aniline Oligomer ABA Triblock Copolymers[J]. MACROMOLECULAR CHEMISTRY AND PHYSICS,2018,219(9).
APA	Cheng, Xiang-Le.,Zhang, Yun-Fei.,Wu, Yan-Guang.,Fu, Ping.,Lin, Zhi-Dong.,...&Cheng, Chun.(2018).Thermally Sensitive N-Type Thermoelectric Aniline Oligomer-Block-Polyethylene Glycol-Block-Aniline Oligomer ABA Triblock Copolymers.MACROMOLECULAR CHEMISTRY AND PHYSICS,219(9).
MLA	Cheng, Xiang-Le,et al."Thermally Sensitive N-Type Thermoelectric Aniline Oligomer-Block-Polyethylene Glycol-Block-Aniline Oligomer ABA Triblock Copolymers".MACROMOLECULAR CHEMISTRY AND PHYSICS 219.9(2018).