Positional effects of fluorination in conjugated side chains on photovoltaic properties of donor-acceptor copolymers

Jisoo Shin; Min Kim; Jaewon Lee; Heung Gyu Kim; Hyeongjin Hwang; Kilwon Cho

doi:10.1039/c6cc06646a

Positional effects of fluorination in conjugated side chains on photovoltaic properties of donor-acceptor copolymers

Jisoo Shin
, Min Kim
, Jaewon Lee
, Heung Gyu Kim
, Hyeongjin Hwang
, Kilwon Cho

Department of Chemical Engineering

Pohang University of Science and Technology

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

36 Scopus citations

Abstract

The position at which conjugated side chains were fluorinated, the meta- or ortho-position in phenyl side chains, was varied to investigate the positional effects of fluorination on the energy levels, crystalline ordering, and photovoltaic properties of the polymers. The fluorine in the ortho-position achieved a lower HOMO energy level than that in the meta-position, but reduced the chain rigidity.

Original language	English
Pages (from-to)	1176-1179
Number of pages	4
Journal	Chemical Communications
Volume	53
Issue number	6
DOIs	https://doi.org/10.1039/c6cc06646a
State	Published - 2017

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SDG 7 Affordable and Clean Energy

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10.1039/c6cc06646a

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title = "Positional effects of fluorination in conjugated side chains on photovoltaic properties of donor-acceptor copolymers",

abstract = "The position at which conjugated side chains were fluorinated, the meta- or ortho-position in phenyl side chains, was varied to investigate the positional effects of fluorination on the energy levels, crystalline ordering, and photovoltaic properties of the polymers. The fluorine in the ortho-position achieved a lower HOMO energy level than that in the meta-position, but reduced the chain rigidity.",

author = "Jisoo Shin and Min Kim and Jaewon Lee and Kim, \{Heung Gyu\} and Hyeongjin Hwang and Kilwon Cho",

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AU - Shin, Jisoo

AU - Kim, Min

AU - Lee, Jaewon

AU - Kim, Heung Gyu

AU - Hwang, Hyeongjin

AU - Cho, Kilwon

PY - 2017

Y1 - 2017

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AB - The position at which conjugated side chains were fluorinated, the meta- or ortho-position in phenyl side chains, was varied to investigate the positional effects of fluorination on the energy levels, crystalline ordering, and photovoltaic properties of the polymers. The fluorine in the ortho-position achieved a lower HOMO energy level than that in the meta-position, but reduced the chain rigidity.

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Positional effects of fluorination in conjugated side chains on photovoltaic properties of donor-acceptor copolymers

Abstract

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