A universal layer-by-layer solution-processing approach for efficient non-fullerene organic solar cells

Rui Sun, Jing Guo, Chenkai Sun, Tao Wang, Zhenghui Luo, Zhuohan Zhang, Xuechen Jiao, Weihua Tang, Chuluo Yang, Yongfang Li, Jie Min

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33 Citations (Scopus)

Abstract

Layer-by-layer (LbL) solution processing is a cost-effective technology for the large-scale fabrication of organic solar cells (OSCs). In this work, LbL OSCs were fabricated using PTQ10/J71 as donors and ITC6-IC/IDIC/MeIC/ITCPTC/ITIC as non-fullerene acceptors (NFAs) without using orthogonal solvents and appropriate co-solvents. Compared with traditional bulk heterojunction (BHJ) OSCs, the corresponding solution-processed LbL devices exhibited higher or comparable power conversion efficiencies (PCEs), which had the advantages of reduced energy loss, stronger absorption spectra, better vertical phase separation, partially increased charge transport property and charge collection efficiency. Furthermore, taking the J71/ITC6-IC and PTQ10/IDIC LbL systems as examples, we fabricated large-area LbL OSCs using the doctor-blading process, which is closer to the roll-to-roll (R2R) technology. Importantly, both OSCs based on J71/ITC6-IC and PTQ10/IDIC LbL with an active area of 1.00 cm 2 demonstrated encouraging PCEs of over 10%, which is the record efficiency for large-area LbL OSCs reported in the literature to date. Our work indicates that the solution-processed LbL approach not only presents good generality and high device performance, but also is a superior alternative to the BHJ method for the initial evaluation of photovoltaic materials and the industrial production of R2R OSCs.

Original languageEnglish
Pages (from-to)384-395
Number of pages12
JournalEnergy and Environmental Science
Volume12
Issue number1
DOIs
Publication statusPublished - 1 Jan 2019

Cite this

Sun, Rui ; Guo, Jing ; Sun, Chenkai ; Wang, Tao ; Luo, Zhenghui ; Zhang, Zhuohan ; Jiao, Xuechen ; Tang, Weihua ; Yang, Chuluo ; Li, Yongfang ; Min, Jie. / A universal layer-by-layer solution-processing approach for efficient non-fullerene organic solar cells. In: Energy and Environmental Science. 2019 ; Vol. 12, No. 1. pp. 384-395.
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abstract = "Layer-by-layer (LbL) solution processing is a cost-effective technology for the large-scale fabrication of organic solar cells (OSCs). In this work, LbL OSCs were fabricated using PTQ10/J71 as donors and ITC6-IC/IDIC/MeIC/ITCPTC/ITIC as non-fullerene acceptors (NFAs) without using orthogonal solvents and appropriate co-solvents. Compared with traditional bulk heterojunction (BHJ) OSCs, the corresponding solution-processed LbL devices exhibited higher or comparable power conversion efficiencies (PCEs), which had the advantages of reduced energy loss, stronger absorption spectra, better vertical phase separation, partially increased charge transport property and charge collection efficiency. Furthermore, taking the J71/ITC6-IC and PTQ10/IDIC LbL systems as examples, we fabricated large-area LbL OSCs using the doctor-blading process, which is closer to the roll-to-roll (R2R) technology. Importantly, both OSCs based on J71/ITC6-IC and PTQ10/IDIC LbL with an active area of 1.00 cm 2 demonstrated encouraging PCEs of over 10{\%}, which is the record efficiency for large-area LbL OSCs reported in the literature to date. Our work indicates that the solution-processed LbL approach not only presents good generality and high device performance, but also is a superior alternative to the BHJ method for the initial evaluation of photovoltaic materials and the industrial production of R2R OSCs.",
author = "Rui Sun and Jing Guo and Chenkai Sun and Tao Wang and Zhenghui Luo and Zhuohan Zhang and Xuechen Jiao and Weihua Tang and Chuluo Yang and Yongfang Li and Jie Min",
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Sun, R, Guo, J, Sun, C, Wang, T, Luo, Z, Zhang, Z, Jiao, X, Tang, W, Yang, C, Li, Y & Min, J 2019, 'A universal layer-by-layer solution-processing approach for efficient non-fullerene organic solar cells', Energy and Environmental Science, vol. 12, no. 1, pp. 384-395. https://doi.org/10.1039/c8ee02560f

A universal layer-by-layer solution-processing approach for efficient non-fullerene organic solar cells. / Sun, Rui; Guo, Jing; Sun, Chenkai; Wang, Tao; Luo, Zhenghui; Zhang, Zhuohan; Jiao, Xuechen; Tang, Weihua; Yang, Chuluo; Li, Yongfang; Min, Jie.

In: Energy and Environmental Science, Vol. 12, No. 1, 01.01.2019, p. 384-395.

Research output: Contribution to journalArticleResearchpeer-review

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