Structure design for high performance n-type polymer thermoelectric materials

Organic thermoelectric (OTE) materials have been regarded as a potential candidate to harvest waste heat from complex, low temperature surfaces of objects and convert it into electricity. Recently, n-type conjugated polymers as organic thermoelectric materials have aroused intensive research in orde...

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Bibliographic Details
Published in:Chinese physics B 2022-01, Vol.31 (2), p.28506-47
Main Authors: Zhang, Qi, Sun, Hengda, Zhu, Meifang
Format: Article
Language:English
Subjects:
conducting polymers
organic semiconductor doping
organic thermoelectrics
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Summary:Organic thermoelectric (OTE) materials have been regarded as a potential candidate to harvest waste heat from complex, low temperature surfaces of objects and convert it into electricity. Recently, n-type conjugated polymers as organic thermoelectric materials have aroused intensive research in order to improve their performance to match up with their p-type counterpart. In this review, we discuss aspects that affect the performance of n-type OTEs, and further focus on the effect of planarity of backbone on the doping efficiency and eventually the TE performance. We then summarize strategies such as implementing rigid n-type polymer backbone or modifying conventional polymer building blocks for more planar conformation. In the outlook part, we conclude forementioned devotions and point out new possibility that may promote the future development of this field.
ISSN:1674-1056
DOI:10.1088/1674-1056/ac3a64