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21 results on '"Qin, Linqing"'

8. Simple Nonfused‐Ring Electron Acceptors with Noncovalently Conformational Locks for Low‐Cost and High‐Performance Organic Solar Cells Enabled by End‐Group Engineering

Author

Li, Congqi, primary, Zhang, Xin, additional, Yu, Na, additional, Gu, Xiaobin, additional, Qin, Linqing, additional, Wei, Yanan, additional, Liu, Xingzheng, additional, Zhang, Jianqi, additional, Wei, Zhixiang, additional, Tang, Zheng, additional, Shi, Qinqin, additional, and Huang, Hui, additional

Published
2021
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9. Enhancing the Photovoltaic Performance of Triplet Acceptors Enabled by Side‐Chain Engineering

Author

Zhang, Xin, primary, Qin, Linqing, additional, Liu, Xingzheng, additional, Zhang, Caixia, additional, Yu, Jianwei, additional, Xiao, Zuo, additional, Zheng, Nan, additional, Wang, Boxuan, additional, Wei, Yanan, additional, Xie, Zengqi, additional, Wu, Yishi, additional, Wei, Zhixiang, additional, Wang, Kai, additional, Gao, Feng, additional, Ding, Liming, additional, and Huang, Hui, additional

Published
2021
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18. Simple Nonfused‐Ring Electron Acceptors with Noncovalently Conformational Locks for Low‐Cost and High‐Performance Organic Solar Cells Enabled by End‐Group Engineering.

Author

Li, Congqi, Zhang, Xin, Yu, Na, Gu, Xiaobin, Qin, Linqing, Wei, Yanan, Liu, Xingzheng, Zhang, Jianqi, Wei, Zhixiang, Tang, Zheng, Shi, Qinqin, and Huang, Hui

Subjects
ELECTROPHILES, SOLAR cells, PHOTOVOLTAIC power systems, ENGINEERING
Abstract

The rapid advance of fused‐ring electron acceptors (FREAs) has greatly promoted the leap‐forward development of organic solar cells (OSCs). However, the synthetic complexity of FREAs may be detrimental for future commercial applications. Recently, nonfused‐ring electron acceptors (NREAs) have been developed to be a promising candidate to maintain a rational balance between cost and performance, of which the cores are composed of simple fused rings (NREAs‐I) or nonfused rings (NREAs‐II). Moreover, "noncovalently conformational locks", are used as an effective strategy to enhance the rigidity and planarity of NREAs and improve device performance. Herein, a novel series of NREAs‐II (PhO4T‐1, PhO4T‐2, and PhO4T‐3) is constructed as a valuable platform for exploring the impact of the end group engineering on optoelectronic properties, intermolecular packing behaviors, and device performance. As a result, a high power conversion efficiency of 13.76% is achieved for PhO4T‐3 based OSCs, which is much higher than those of the PhO4T‐1 and PhO4T‐2‐based devices. Compared with several representative FREAs, PhO4T‐3 possesses the highest figure‐of‐merit value of 133.45 based on a cost‐efficiency evaluation. This work demonstrates that the simple‐structured NREAs‐II are promising candidates for low‐cost and high‐performance OSCs. [ABSTRACT FROM AUTHOR]

Published
2022
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19. Triplet Acceptors with a D‐A Structure and Twisted Conformation for Efficient Organic Solar Cells

Author

Qin, Linqing, primary, Liu, Xingzheng, additional, Zhang, Xin, additional, Yu, Jianwei, additional, Yang, Lei, additional, Zhao, Fenggui, additional, Huang, Miaofei, additional, Wang, Kangwei, additional, Wu, Xiaoxi, additional, Li, Yuhao, additional, Chen, Hao, additional, Wang, Kai, additional, Xia, Jianlong, additional, Lu, Xinhui, additional, Gao, Feng, additional, Yi, Yuanping, additional, and Huang, Hui, additional

Published
2020
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21. High-Performance Noncovalently Fused-Ring Electron Acceptors for Organic Solar Cells Enabled by Noncovalent Intramolecular Interactions and End-Group Engineering.

Author

Zhang X, Qin L, Yu J, Li Y, Wei Y, Liu X, Lu X, Gao F, and Huang H

Abstract

Noncovalently fused-ring electron acceptors (NFREAs) have attracted much attention in recent years owing to their advantages of simple synthetic routes, high yields and low costs. However, the efficiencies of NFREAs based organic solar cells (OSCs) are still far behind those of fused-ring electron acceptors (FREAs). Herein, a series of NFREAs with S⋅⋅⋅O noncovalent intramolecular interactions were designed and synthesized with a two-step synthetic route. Upon introducing π-extended end-groups into the backbones, the electronic properties, charge transport, film morphology, and energy loss were precisely tuned by fine-tuning the degree of multi-fluorination. As a result, a record PCE of 14.53 % in labs and a certified PCE of 13.8 % for NFREAs based devices were obtained. This contribution demonstrated that combining the strategies of noncovalent conformational locks and π-extended end-group engineering is a simple and effective way to explore high-performance NFREAs., (© 2021 Wiley-VCH GmbH.)

Published
2021
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