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Significant Enhancement of Hole Transport Ability in Conjugated Polymer/Fullerene Bulk Heterojunction Microspheres AITranslate

Amandeep Jindal; Hiroaki Kotani; Soh Kushida; Akinori Saeki; Takahiko Kojima; Yohei Yamamoto;
University of Tsukuba; University of Tsukuba; University of Tsukuba; Osaka University; University of Tsukuba; University of Tsukuba
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Publisher: ACS
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Abstract AITranslate

Bulk heterojunction (BHJ) strategy requires morphology of wide area donor–acceptor interfaces with high charge carrier mobilities through the bicontinuous charge transporting layers. Here, we report formation of well-defined BHJ microspheres from regiorandom poly(hexylthiophene) (rra-PHT)/phenyl-C61-butyric acid methyl ester (PCBM) mixture by a vapor diffusion method. Through electrochemical oxidation, the BHJ microsphere exhibits enhanced generation of PHT cation species due to increased hole-transport property in comparison with a solution-cast film derived from rra-PHT/PCBM mixture without microsphere morphology. Photoconductivity and electrochemical stability of the microsphere are comparable or even higher than those of a cast film of irregular aggregates of regioregular P3HT.

KeyWords AITranslate

microspheres bulk heterojunction polythiophene fullerene electrochemistry
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Basic Information:

DOI：https://doi.org/10.1021/acsapm.8b00170

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Citation Information:

Bulk heterojunction (BHJ) strategy requires morphology of wide area donor–acceptor interfaces with high charge carrier mobilities through the bicontinuous charge transporting layers. Here, we report formation of well-defined BHJ microspheres from regiorandom poly(hexylthiophene) (rra-PHT)/phenyl-C61-butyric acid methyl ester (PCBM) mixture by a vapor diffusion method. Through electrochemical oxidation, the BHJ microsphere exhibits enhanced generation of PHT cation species due to increased hole-transport property in comparison with a solution-cast film derived from rra-PHT/PCBM mixture without microsphere morphology. Photoconductivity and electrochemical stability of the microsphere are comparable or even higher than those of a cast film of irregular aggregates of regioregular P3HT.

quote

GB/T 7714-2015 [1] Amandeep Jindal, Hiroaki Kotani, Soh Kushida, et al. ACS Applied Polymer Materials, 2019(1). DOI:10.1021/acsapm.8b00170.
MLA [1] Amandeep Jindal, et al., ACS Applied Polymer Materials, no. 1, 2019, https://doi.org/10.1021/acsapm.8b00170.
APA [1] Amandeep Jindal, Hiroaki Kotani, Soh Kushida, Akinori Saeki, Takahiko Kojima, & Yohei Yamamoto. (2019). ACS Applied Polymer Materials(1). https://doi.org/10.1021/acsapm.8b00170
IEEE [1] Amandeep Jindal, Hiroaki Kotani, Soh Kushida, Akinori Saeki, Takahiko Kojima, and Yohei Yamamoto, ACS Applied Polymer Materials, no. 1, 2019, doi: 10.1021/acsapm.8b00170. keywords: {microspheres;bulk heterojunction;polythiophene;fullerene;electrochemistry}