Exciton intrachain transport induced by interchain packing configurations in conjugated polymers

Ruixuan Meng; Kun Gao; Gaiyan Zhang; Shixuan Han; Fujiang Yang; Yuan Li; Shijie Xie

doi:10.1039/c5cp01689d

Exciton intrachain transport induced by interchain packing configurations in conjugated polymers

Ruixuan Meng, Kun Gao^*, Gaiyan Zhang, Shixuan Han, Fujiang Yang, Yuan Li, Shijie Xie

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Based on a tight binding model combined with a nonadiabatic dynamics approach, we theoretically investigate the exciton intrachain transport in conjugated polymers with different interchain packing configurations. We construct two different interchain packing configurations, i.e. linear and exponential forms, and simulate the dynamical processes of the exciton transport in these systems. We find that, in both cases, there exists a distribution of driving force for exciton transport, which stems from the gradient of the exciton creation energy along the chains. This finding enriches the picture of exciton transport in polymers and provides a new idea to improve the exciton transport length in polymeric photovoltaic devices.

Original language	English (US)
Pages (from-to)	18600-18605
Number of pages	6
Journal	Physical Chemistry Chemical Physics
Volume	17
Issue number	28
DOIs	https://doi.org/10.1039/c5cp01689d
State	Published - Jul 28 2015

ASJC Scopus subject areas

General Physics and Astronomy
Physical and Theoretical Chemistry

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abstract = "Based on a tight binding model combined with a nonadiabatic dynamics approach, we theoretically investigate the exciton intrachain transport in conjugated polymers with different interchain packing configurations. We construct two different interchain packing configurations, i.e. linear and exponential forms, and simulate the dynamical processes of the exciton transport in these systems. We find that, in both cases, there exists a distribution of driving force for exciton transport, which stems from the gradient of the exciton creation energy along the chains. This finding enriches the picture of exciton transport in polymers and provides a new idea to improve the exciton transport length in polymeric photovoltaic devices.",

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AU - Meng, Ruixuan

AU - Gao, Kun

AU - Zhang, Gaiyan

AU - Han, Shixuan

AU - Yang, Fujiang

AU - Li, Yuan

AU - Xie, Shijie

PY - 2015/7/28

Y1 - 2015/7/28

N2 - Based on a tight binding model combined with a nonadiabatic dynamics approach, we theoretically investigate the exciton intrachain transport in conjugated polymers with different interchain packing configurations. We construct two different interchain packing configurations, i.e. linear and exponential forms, and simulate the dynamical processes of the exciton transport in these systems. We find that, in both cases, there exists a distribution of driving force for exciton transport, which stems from the gradient of the exciton creation energy along the chains. This finding enriches the picture of exciton transport in polymers and provides a new idea to improve the exciton transport length in polymeric photovoltaic devices.

AB - Based on a tight binding model combined with a nonadiabatic dynamics approach, we theoretically investigate the exciton intrachain transport in conjugated polymers with different interchain packing configurations. We construct two different interchain packing configurations, i.e. linear and exponential forms, and simulate the dynamical processes of the exciton transport in these systems. We find that, in both cases, there exists a distribution of driving force for exciton transport, which stems from the gradient of the exciton creation energy along the chains. This finding enriches the picture of exciton transport in polymers and provides a new idea to improve the exciton transport length in polymeric photovoltaic devices.

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Exciton intrachain transport induced by interchain packing configurations in conjugated polymers

Abstract

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