High-efficiency organic solar cells prepared using a halogen-free solution process

Febrian Tri Adhi Wibowo; Narra Vamsi Krishna; Septy Sinaga; Seung Je Lee; Wisnu Tantyo Hadmojo; Young Rag Do; Sung Yeon Jang

doi:10.1016/j.xcrp.2021.100517

High-efficiency organic solar cells prepared using a halogen-free solution process

Febrian Tri Adhi Wibowo, Narra Vamsi Krishna, Septy Sinaga, Seung Je Lee, Wisnu Tantyo Hadmojo, Young Rag Do, Sung Yeon Jang^*

^*Corresponding author for this work

KAUST Solar Center

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

8 Scopus citations

Abstract

Although the power conversion efficiency (PCE) of organic photovoltaic (OPV) devices has recently improved to more than 16%, halogenated solution processes are typically employed to obtain optimal performance. However, halogenated processing is harmful to health and the environment, which can be a significant obstacle to commercialization. Therefore, development of active materials processable under halogen-free conditions is of great importance in this field. In this study, a 16.04% OPV device, processed under halogen-free conditions, is developed by employing a new active-blend system, PBDTTPD-HT:BTP-2F-BO. It is highly soluble in halogen-free solvents, forming a preferential bulk-heterojunction morphology. The PBDTTPD-HT:BTP-2F-BO device achieves a PCE comparable with current state-of-the-art devices based on PBDB-TF:BTP-4F (also known as PM6:Y6) using a conventional halogenated process (16.40% versus 16.33%). Furthermore, it demonstrates a significantly higher PCE than the PBDB-TF:BTP-4F device with a halogen-free process (16.04% versus 9.70%).

Original language	English (US)
Article number	100517
Journal	Cell Reports Physical Science
Volume	2
Issue number	8
DOIs	https://doi.org/10.1016/j.xcrp.2021.100517
State	Published - Aug 18 2021

Bibliographical note

Funding Information:
The authors gratefully acknowledge support from National Research Foundation (NRF) grants funded by the Ministry of Science, ICT & Future Planning of Korea ( 2016R1A5A1012966 , 2019R1A2C2087218 , and 2020M1A2A2080746 ).

Funding Information:
The authors gratefully acknowledge support from National Research Foundation (NRF) grants funded by the Ministry of Science, ICT & Future Planning of Korea (2016R1A5A1012966, 2019R1A2C2087218, and 2020M1A2A2080746). The work was conceived by F.T.A.W. and S.-Y.J. The experiments were performed by F.T.A.W. N.V.K. S.S. and W.T.H. under guidance of S.-Y.J. and Y.R.D. The polymer donors were synthesized and characterized by F.T.A.W. The small-molecule acceptors were synthesized and characterized by N.V.K. and S.S. The devices were fabricated and characterized by F.T.A.W. and W.T.H. The anti-reflection layers were prepared by S.L. The manuscript was written by F.T.A.W. and S.-Y.J. with comments and input from all authors. The authors declare no competing interests.

Publisher Copyright:
© 2021 The Authors

Keywords

efficiency
halogen-free
organic photovoltaic
polymer donor
small molecule acceptor

ASJC Scopus subject areas

Physics and Astronomy(all)
Materials Science(all)
Chemistry(all)
Energy(all)
Engineering(all)

UN SDGs

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

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10.1016/j.xcrp.2021.100517

Cite this

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title = "High-efficiency organic solar cells prepared using a halogen-free solution process",

abstract = "Although the power conversion efficiency (PCE) of organic photovoltaic (OPV) devices has recently improved to more than 16%, halogenated solution processes are typically employed to obtain optimal performance. However, halogenated processing is harmful to health and the environment, which can be a significant obstacle to commercialization. Therefore, development of active materials processable under halogen-free conditions is of great importance in this field. In this study, a 16.04% OPV device, processed under halogen-free conditions, is developed by employing a new active-blend system, PBDTTPD-HT:BTP-2F-BO. It is highly soluble in halogen-free solvents, forming a preferential bulk-heterojunction morphology. The PBDTTPD-HT:BTP-2F-BO device achieves a PCE comparable with current state-of-the-art devices based on PBDB-TF:BTP-4F (also known as PM6:Y6) using a conventional halogenated process (16.40% versus 16.33%). Furthermore, it demonstrates a significantly higher PCE than the PBDB-TF:BTP-4F device with a halogen-free process (16.04% versus 9.70%).",

keywords = "efficiency, halogen-free, organic photovoltaic, polymer donor, small molecule acceptor",

author = "Wibowo, {Febrian Tri Adhi} and Krishna, {Narra Vamsi} and Septy Sinaga and Lee, {Seung Je} and Hadmojo, {Wisnu Tantyo} and Do, {Young Rag} and Jang, {Sung Yeon}",

note = "Funding Information: The authors gratefully acknowledge support from National Research Foundation (NRF) grants funded by the Ministry of Science, ICT & Future Planning of Korea ( 2016R1A5A1012966 , 2019R1A2C2087218 , and 2020M1A2A2080746 ). Funding Information: The authors gratefully acknowledge support from National Research Foundation (NRF) grants funded by the Ministry of Science, ICT & Future Planning of Korea (2016R1A5A1012966, 2019R1A2C2087218, and 2020M1A2A2080746). The work was conceived by F.T.A.W. and S.-Y.J. The experiments were performed by F.T.A.W. N.V.K. S.S. and W.T.H. under guidance of S.-Y.J. and Y.R.D. The polymer donors were synthesized and characterized by F.T.A.W. The small-molecule acceptors were synthesized and characterized by N.V.K. and S.S. The devices were fabricated and characterized by F.T.A.W. and W.T.H. The anti-reflection layers were prepared by S.L. The manuscript was written by F.T.A.W. and S.-Y.J. with comments and input from all authors. The authors declare no competing interests. Publisher Copyright: {\textcopyright} 2021 The Authors",

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doi = "10.1016/j.xcrp.2021.100517",

language = "English (US)",

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AU - Wibowo, Febrian Tri Adhi

AU - Krishna, Narra Vamsi

AU - Sinaga, Septy

AU - Lee, Seung Je

AU - Hadmojo, Wisnu Tantyo

AU - Do, Young Rag

AU - Jang, Sung Yeon

N1 - Funding Information: The authors gratefully acknowledge support from National Research Foundation (NRF) grants funded by the Ministry of Science, ICT & Future Planning of Korea ( 2016R1A5A1012966 , 2019R1A2C2087218 , and 2020M1A2A2080746 ). Funding Information: The authors gratefully acknowledge support from National Research Foundation (NRF) grants funded by the Ministry of Science, ICT & Future Planning of Korea (2016R1A5A1012966, 2019R1A2C2087218, and 2020M1A2A2080746). The work was conceived by F.T.A.W. and S.-Y.J. The experiments were performed by F.T.A.W. N.V.K. S.S. and W.T.H. under guidance of S.-Y.J. and Y.R.D. The polymer donors were synthesized and characterized by F.T.A.W. The small-molecule acceptors were synthesized and characterized by N.V.K. and S.S. The devices were fabricated and characterized by F.T.A.W. and W.T.H. The anti-reflection layers were prepared by S.L. The manuscript was written by F.T.A.W. and S.-Y.J. with comments and input from all authors. The authors declare no competing interests. Publisher Copyright: © 2021 The Authors

PY - 2021/8/18

Y1 - 2021/8/18

N2 - Although the power conversion efficiency (PCE) of organic photovoltaic (OPV) devices has recently improved to more than 16%, halogenated solution processes are typically employed to obtain optimal performance. However, halogenated processing is harmful to health and the environment, which can be a significant obstacle to commercialization. Therefore, development of active materials processable under halogen-free conditions is of great importance in this field. In this study, a 16.04% OPV device, processed under halogen-free conditions, is developed by employing a new active-blend system, PBDTTPD-HT:BTP-2F-BO. It is highly soluble in halogen-free solvents, forming a preferential bulk-heterojunction morphology. The PBDTTPD-HT:BTP-2F-BO device achieves a PCE comparable with current state-of-the-art devices based on PBDB-TF:BTP-4F (also known as PM6:Y6) using a conventional halogenated process (16.40% versus 16.33%). Furthermore, it demonstrates a significantly higher PCE than the PBDB-TF:BTP-4F device with a halogen-free process (16.04% versus 9.70%).

AB - Although the power conversion efficiency (PCE) of organic photovoltaic (OPV) devices has recently improved to more than 16%, halogenated solution processes are typically employed to obtain optimal performance. However, halogenated processing is harmful to health and the environment, which can be a significant obstacle to commercialization. Therefore, development of active materials processable under halogen-free conditions is of great importance in this field. In this study, a 16.04% OPV device, processed under halogen-free conditions, is developed by employing a new active-blend system, PBDTTPD-HT:BTP-2F-BO. It is highly soluble in halogen-free solvents, forming a preferential bulk-heterojunction morphology. The PBDTTPD-HT:BTP-2F-BO device achieves a PCE comparable with current state-of-the-art devices based on PBDB-TF:BTP-4F (also known as PM6:Y6) using a conventional halogenated process (16.40% versus 16.33%). Furthermore, it demonstrates a significantly higher PCE than the PBDB-TF:BTP-4F device with a halogen-free process (16.04% versus 9.70%).

KW - efficiency

KW - halogen-free

KW - organic photovoltaic

KW - polymer donor

KW - small molecule acceptor

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DO - 10.1016/j.xcrp.2021.100517

M3 - Article

AN - SCOPUS:85120309451

SN - 2666-3864

VL - 2

JO - Cell Reports Physical Science

JF - Cell Reports Physical Science

IS - 8

M1 - 100517

ER -

High-efficiency organic solar cells prepared using a halogen-free solution process

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

UN SDGs

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