Highly Efficient Organic Solar Cells Based on S,N-heteroacene Non-fullerene Acceptors

Chuyi Huang; Xunfan Liao; Ke Gao; Lijian Zuo; Francis Lin; Xueliang Shi; Chang-Zhi Li; Hongbin Liu; Xiaosong Li; Feng Liu; Yiwang Chen; Hongzheng Chen; Alex K.-Y. Jen

doi:10.1021/acs.chemmater.8b02276

Highly Efficient Organic Solar Cells Based on S,N-heteroacene Non-fullerene Acceptors

Chuyi Huang
, Xunfan Liao
, Ke Gao
, Lijian Zuo
, Francis Lin
, Xueliang Shi
, Chang-Zhi Li
, Hongbin Liu
, Xiaosong Li
, Feng Liu^*
, Yiwang Chen^*
, Hongzheng Chen^*
, Alex K.-Y. Jen^*

^*Corresponding author for this work

Department of Chemistry

Research output: Journal Publications and Reviews › RGC 21 - Publication in refereed journal › peer-review

222 Citations (Scopus)

Abstract

Two novel non-fullerene acceptors, SN6IC and SN6IC-4F, based on an S,N-heteroacene backbone were designed and synthesized. The cyclopentadiene fragments of commonly used acceptors were replaced with pyrrole rings to improve the electron-donating ability to increase the energy levels of the molecules. Both acceptors match well with the absorption and energy levels of the polymer donor PBDB-T, and PBDB-T:SN6IC-4F-based solar cells showed an excellent power conversion efficiency of 13.2%, with a relatively small V_OC loss of 0.54 eV. This study proves that the introduction of a nitrogen atom to replace the sp³-hybridized carbon in the fused ring is very effective for making highly efficient NFAs to further improve the performance of organic solar cells.

Original language	English
Pages (from-to)	5429–5434
Journal	Chemistry of Materials
Volume	30
Issue number	15
Online published	6 Jul 2018
DOIs	https://doi.org/10.1021/acs.chemmater.8b02276
Publication status	Published - 14 Aug 2018

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This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 7 Affordable and Clean Energy

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@article{1d6ea8a752f04239b10a943eaf5ee266,

title = "Highly Efficient Organic Solar Cells Based on S,N-heteroacene Non-fullerene Acceptors",

abstract = "Two novel non-fullerene acceptors, SN6IC and SN6IC-4F, based on an S,N-heteroacene backbone were designed and synthesized. The cyclopentadiene fragments of commonly used acceptors were replaced with pyrrole rings to improve the electron-donating ability to increase the energy levels of the molecules. Both acceptors match well with the absorption and energy levels of the polymer donor PBDB-T, and PBDB-T:SN6IC-4F-based solar cells showed an excellent power conversion efficiency of 13.2\%, with a relatively small VOC loss of 0.54 eV. This study proves that the introduction of a nitrogen atom to replace the sp3-hybridized carbon in the fused ring is very effective for making highly efficient NFAs to further improve the performance of organic solar cells. ",

author = "Chuyi Huang and Xunfan Liao and Ke Gao and Lijian Zuo and Francis Lin and Xueliang Shi and Chang-Zhi Li and Hongbin Liu and Xiaosong Li and Feng Liu and Yiwang Chen and Hongzheng Chen and Jen, \{Alex K.-Y.\}",

year = "2018",

month = aug,

day = "14",

doi = "10.1021/acs.chemmater.8b02276",

language = "English",

volume = "30",

pages = "5429–5434",

journal = "Chemistry of Materials",

issn = "0897-4756",

publisher = "American Chemical Society",

number = "15",

}

TY - JOUR

T1 - Highly Efficient Organic Solar Cells Based on S,N-heteroacene Non-fullerene Acceptors

AU - Huang, Chuyi

AU - Liao, Xunfan

AU - Gao, Ke

AU - Zuo, Lijian

AU - Lin, Francis

AU - Shi, Xueliang

AU - Li, Chang-Zhi

AU - Liu, Hongbin

AU - Li, Xiaosong

AU - Liu, Feng

AU - Chen, Yiwang

AU - Chen, Hongzheng

AU - Jen, Alex K.-Y.

PY - 2018/8/14

Y1 - 2018/8/14

N2 - Two novel non-fullerene acceptors, SN6IC and SN6IC-4F, based on an S,N-heteroacene backbone were designed and synthesized. The cyclopentadiene fragments of commonly used acceptors were replaced with pyrrole rings to improve the electron-donating ability to increase the energy levels of the molecules. Both acceptors match well with the absorption and energy levels of the polymer donor PBDB-T, and PBDB-T:SN6IC-4F-based solar cells showed an excellent power conversion efficiency of 13.2%, with a relatively small VOC loss of 0.54 eV. This study proves that the introduction of a nitrogen atom to replace the sp3-hybridized carbon in the fused ring is very effective for making highly efficient NFAs to further improve the performance of organic solar cells.

AB - Two novel non-fullerene acceptors, SN6IC and SN6IC-4F, based on an S,N-heteroacene backbone were designed and synthesized. The cyclopentadiene fragments of commonly used acceptors were replaced with pyrrole rings to improve the electron-donating ability to increase the energy levels of the molecules. Both acceptors match well with the absorption and energy levels of the polymer donor PBDB-T, and PBDB-T:SN6IC-4F-based solar cells showed an excellent power conversion efficiency of 13.2%, with a relatively small VOC loss of 0.54 eV. This study proves that the introduction of a nitrogen atom to replace the sp3-hybridized carbon in the fused ring is very effective for making highly efficient NFAs to further improve the performance of organic solar cells.

UR - https://www.scopus.com/pages/publications/85049753186

UR - https://www.scopus.com/record/pubmetrics.uri?eid=2-s2.0-85049753186&origin=recordpage

U2 - 10.1021/acs.chemmater.8b02276

DO - 10.1021/acs.chemmater.8b02276

M3 - RGC 21 - Publication in refereed journal

SN - 0897-4756

VL - 30

SP - 5429

EP - 5434

JO - Chemistry of Materials

JF - Chemistry of Materials

IS - 15

ER -

Highly Efficient Organic Solar Cells Based on S,N-heteroacene Non-fullerene Acceptors

Abstract

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