Recent Progress on Addressing the Key Challenges in Organic Thermoelectrics

Compared with inorganic thermoelectric materials, organic thermoelectric (OTE) materials have attracted increasing attention due to their advantages of low toxicity, high mechanical flexibility, and large‐scale solution processability. In the past few years, OTE materials have made remarkable progre...

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Bibliographic Details
Published in:Chemistry, an Asian journal an Asian journal, 2021-06, Vol.16 (12), p.1508-1518
Main Authors: Li, Jia‐Tong, Lei, Ting
Format: Article
Language:English
Subjects:
Chemistry
conjugated polymers
Doping
electrical conductivity
organic thermoelectric materials
Seebeck coefficient
Seebeck effect
Thermoelectric materials
Toxicity
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Summary:Compared with inorganic thermoelectric materials, organic thermoelectric (OTE) materials have attracted increasing attention due to their advantages of low toxicity, high mechanical flexibility, and large‐scale solution processability. In the past few years, OTE materials have made remarkable progress in terms of their design, synthesis, and device performance. However, some challenges remain, including the low doping efficiency in n‐type materials, poor doping stability with molecular dopants, and the largely reduced Seebeck coefficient after heavily doping, etc. All these factors hinder the further development of OTEs for commercial applications. In this Minireview, we highlight several key challenges during the development of OTEs and summarize recent understandings and efforts to address these challenges. Several key challenges in the development of organic thermoelectric(OTE) materials are summarized and highlighted in the Minireview. Besides, this review provide some novel molecular design strategies and device optimization approaches for high‐performance OTE devices.
ISSN:1861-4728
1861-471X
DOI:10.1002/asia.202100285