4.7 Article

Zwitterionic side chain-modified conjugated polymers with greatly enhanced ambipolar charge-transport mobilities

Journal

CHEMICAL COMMUNICATIONS
Volume 57, Issue 85, Pages 11181-11184

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc04617a

Keywords

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Funding

  1. National Natural Science Foundation of China [21674125, 21672251, 21975279, 51761145043]
  2. Strategic Priority Research Program of Chinese Academy of Sciences [XDB20020000]
  3. Zhengzhou Institute of Technology

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The integration of a small amount of 3-(hexyldimethylammonio)propane-1-sulfonate zwitterionic side chain into a diketopyrrolopyrrole ambipolar polymer can enhance interchain interaction, promote crystallization, and improve hole and electron mobilities by 3.9- and 8.2-fold, respectively.
A small amount of the 3-(hexyldimethylammonio)propane-1-sulfonate zwitterionic side chain was integrated into a diketopyrrolopyrrole ambipolar polymer to modulate its field-effect carrier-transport characteristics. It was found that such a modification can strengthen the interchain interaction, promote crystallization, and thus improve the hole and electron mobilities by 3.9- and 8.2-fold, respectively.

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