The investigation of donor-acceptor compatibility in bulk-heterojunction polymer systems

Jen Hsien Huang; Yu Sheng Hsiao; Eric Richard; Chun Chao Chen; Peilin Chen; Gang Li; Chih Wei Chu; Yang Yang

doi:10.1063/1.4816056

The investigation of donor-acceptor compatibility in bulk-heterojunction polymer systems

Jen Hsien Huang, Yu Sheng Hsiao, Eric Richard, Chun Chao Chen, Peilin Chen, Gang Li, Chih Wei Chu, Yang Yang

Research output: Journal article publication › Journal article › Academic research › peer-review

45 Citations (Scopus)

Abstract

The fullerene derivative, indene-C60bisadduct (ICBA), has been introduced into poly(3-hexylthiophene) (P3HT) to improve the efficiency of P3HT-based devices. However, we found that ICBA is not suitable for most low bandgap polymers. In this study, we have correlated the cell performance with surface energy between the donor and acceptor materials in a bulk-heterojunction cell. These results show that higher photocurrent can be attributed to the morphology improvement induced by larger surface energy difference (Δγ) between the low bandgap polymer and fullerene. These results also suggest that synthetic strategies which adjust the Δγ between donor and acceptor should be considered.

Original language	English
Article number	043304
Journal	Applied Physics Letters
Volume	103
Issue number	4
DOIs	https://doi.org/10.1063/1.4816056
Publication status	Published - 22 Jul 2013
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4816056

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abstract = "The fullerene derivative, indene-C60bisadduct (ICBA), has been introduced into poly(3-hexylthiophene) (P3HT) to improve the efficiency of P3HT-based devices. However, we found that ICBA is not suitable for most low bandgap polymers. In this study, we have correlated the cell performance with surface energy between the donor and acceptor materials in a bulk-heterojunction cell. These results show that higher photocurrent can be attributed to the morphology improvement induced by larger surface energy difference (Δγ) between the low bandgap polymer and fullerene. These results also suggest that synthetic strategies which adjust the Δγ between donor and acceptor should be considered.",

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AU - Chen, Peilin

AU - Li, Gang

AU - Chu, Chih Wei

AU - Yang, Yang

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AB - The fullerene derivative, indene-C60bisadduct (ICBA), has been introduced into poly(3-hexylthiophene) (P3HT) to improve the efficiency of P3HT-based devices. However, we found that ICBA is not suitable for most low bandgap polymers. In this study, we have correlated the cell performance with surface energy between the donor and acceptor materials in a bulk-heterojunction cell. These results show that higher photocurrent can be attributed to the morphology improvement induced by larger surface energy difference (Δγ) between the low bandgap polymer and fullerene. These results also suggest that synthetic strategies which adjust the Δγ between donor and acceptor should be considered.

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The investigation of donor-acceptor compatibility in bulk-heterojunction polymer systems

Abstract

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