ACS Energy Letters

, volume 3 , issue 7 , pages 1760-1768

Asymmetrical Small Molecule Acceptor Enabling Nonfullerene Polymer Solar Cell with Fill Factor Approaching 79%

Wei Gao ^{1, 2}

Tao Liu ³

Cheng Zhong ¹

Guangye Zhang ³

Yunpeng Zhang ⁴

Ruijie Ming ¹

Lin Zhang ⁵

Jingming Xin ⁵

Kailong Wu ¹

Yunlong Guo ⁴

Wei Ma ⁵

He Yan ³

Yunqi Liu ⁴

Chuluo Yang ^{1, 2}

Hide authors affiliations Show authors affiliations: 5 affiliations

Department of Chemistry and Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, Wuhan University, Wuhan 430072, People’s Republic of China |

College of Materials Science and Engineering, Shenzhen University, Shenzhen 518060, People’s Republic of China |

Department of Chemistry and Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration & Reconstruction, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong |

⁴

Beijing National Laboratory for Molecular Sciences, Chinese Academy of Sciences, Beijing 100190, People’s Republic of China |

⁵

State key laboratory for mechanical behavior of materials, Xi’an Jiaotong University, Xi’an 710049, China |

Publication type: Journal Article

Publication date: 2018-06-29

American Chemical Society (ACS)

ACS Energy Letters

scimago Q1

wos Q1

SJR: 6.799

CiteScore: 29.6

Impact factor: 18.2

ISSN: 23808195

DOI: 10.1021/acsenergylett.8b00825

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Materials Chemistry

Chemistry (miscellaneous)

Energy Engineering and Power Technology

Fuel Technology

Renewable Energy, Sustainability and the Environment

Abstract

Relative to the increase of open-circuit voltage and short-circuit current, promoting fill factor (FF) of the polymer solar cells (PSCs) seems to be more challenging. Here, we designed and synthesized two asymmetrical small molecule acceptors (IDT6CN-M and IDT8CN-M) with large dipole moments. We find that the strong intermolecular interaction and favorable antiparallel packing induced by the dipole moment can effectively enhance both lamellar packing and π–π stacking. The PSCs based on PBDB-T:IDT6CN-M and PBDB-T:IDT8CN-M achieved FFs of up to 76.1% and 78.9%, corresponding to PCEs of 11.23% and 12.43%, respectively. To the best of our knowledge, 78.9% FF is a new record for nonfullerene PSCs. Overall, our work provides a simple and effective molecule-designing method to promote FF of nonfullerene PSCs.

Found

1 citation

Khokhlov Alexei

DSc in Physics and Mathematics, professor, full member of the Russian Academy of Sciences

822 publications, 21 351 citations

h-index: 72

Lomonosov Moscow State University

A.N.Nesmeyanov Institute of Organoelement Compounds of the Russian Academy of Sciences

Research interests

Polymer Science

Theory and computer modeling of soft media

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GOST |

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GOST Copy

Gao W. et al. Asymmetrical Small Molecule Acceptor Enabling Nonfullerene Polymer Solar Cell with Fill Factor Approaching 79% // ACS Energy Letters. 2018. Vol. 3. No. 7. pp. 1760-1768.

GOST all authors (up to 50) Copy

Gao W., Liu T., Zhong C., Zhang G., Zhang Y., Ming R., Zhang L., Xin J., Wu K., Guo Y., Ma W., Yan H., Liu Y., Yang C. Asymmetrical Small Molecule Acceptor Enabling Nonfullerene Polymer Solar Cell with Fill Factor Approaching 79% // ACS Energy Letters. 2018. Vol. 3. No. 7. pp. 1760-1768.

RIS |

Cite this

RIS Copy

TY - JOUR

DO - 10.1021/acsenergylett.8b00825

UR - https://doi.org/10.1021/acsenergylett.8b00825

TI - Asymmetrical Small Molecule Acceptor Enabling Nonfullerene Polymer Solar Cell with Fill Factor Approaching 79%

T2 - ACS Energy Letters

AU - Gao, Wei

AU - Liu, Tao

AU - Zhong, Cheng

AU - Zhang, Guangye

AU - Zhang, Yunpeng

AU - Ming, Ruijie

AU - Zhang, Lin

AU - Xin, Jingming

AU - Wu, Kailong

AU - Guo, Yunlong

AU - Ma, Wei

AU - Yan, He

AU - Liu, Yunqi

AU - Yang, Chuluo

PY - 2018

DA - 2018/06/29

PB - American Chemical Society (ACS)

SP - 1760-1768

IS - 7

VL - 3

SN - 2380-8195

ER -

BibTex |

Cite this

BibTex (up to 50 authors) Copy

@article{2018_Gao,

author = {Wei Gao and Tao Liu and Cheng Zhong and Guangye Zhang and Yunpeng Zhang and Ruijie Ming and Lin Zhang and Jingming Xin and Kailong Wu and Yunlong Guo and Wei Ma and He Yan and Yunqi Liu and Chuluo Yang},

title = {Asymmetrical Small Molecule Acceptor Enabling Nonfullerene Polymer Solar Cell with Fill Factor Approaching 79%},

journal = {ACS Energy Letters},

year = {2018},

volume = {3},

publisher = {American Chemical Society (ACS)},

month = {jun},

url = {https://doi.org/10.1021/acsenergylett.8b00825},

number = {7},

pages = {1760--1768},

doi = {10.1021/acsenergylett.8b00825}

}

MLA

Cite this

MLA Copy

Gao, Wei, et al. “Asymmetrical Small Molecule Acceptor Enabling Nonfullerene Polymer Solar Cell with Fill Factor Approaching 79%.” ACS Energy Letters, vol. 3, no. 7, Jun. 2018, pp. 1760-1768. https://doi.org/10.1021/acsenergylett.8b00825.

Publisher

American Chemical Society (ACS)

Journal

ACS Energy Letters

scimago Q1

wos Q1

SJR

6.799

CiteScore

29.6

Impact factor

18.2

ISSN

23808195 (Print, Electronic)

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