4.7 Article

High-performance PEDOT:PSS-based thermoelectric composites

期刊

COMPOSITES COMMUNICATIONS
卷 27, 期 -, 页码 -

出版社

ELSEVIER SCI LTD
DOI: 10.1016/j.coco.2021.100877

关键词

Thermoelectric; Nanostructures; Composites; PEDOT-PSS

资金

  1. A*STAR, SERC Thermoelectric Materials Program [1527200019, 1527200021]
  2. Agritech Program [A19D9a0096]

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This review summarizes the latest developments of PEDOT:PSS-based composite materials in enhancing thermoelectric properties, including the impact of different nanostructures and inorganic materials on the thermoelectric performance of PEDOT:PSS, as well as the use of chemical reagents for post-treatment.
Over the past decades, poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) has emerged as one of the most attractive conducting polymers for organic electronics. In particular, PEDOT:PSS based composites have demonstrated its high potential as thermoelectrics. In this review, we aim to summarize the latest developments of PEDOT:PSS-based composite materials focusing on PEDOT:PSS/carbon nanostructures composites, PEDOT:PSS/tellurium composites, PEDOT:PSS/alloy composites, PEDOT:PSS/two-dimensional additives composites. The effects of various nanostructures such as nanoparticles, nanotube, nanowires and nanosheets on the thermoelectric properties of PEDOT:PSS was compared and discussed. The role of inorganic materials such as high-performance thermoelectric telluride-based alloys and certain two-dimensional materials e. g. SnSe, MoS2, as dopants in enhancing the thermoelectric properties of PEDOT:PSS composites was reviewed. The recent advances of post-treatment using some new chemical reagents such as dimethyl sulfone and sodium formaldehyde sulfoxylate to improve thermoelectric properties of PEDOT:PSS composites are also outlined. At the end, challenges and opportunities of PEDOT:PSS composites in enhancing the thermoelectric performance are commented.

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