Organic solar cells based on cellulose nanopaper from agroforestry residues with an efficiency of over 16% and effectively wide-angle light capturing

Junying Wu; Xinpeng Che; Hui-Chao Hu; Huimin Xu; Bin Li; Yanjun Liu; Jianguo Li; Yonghao Ni; Xingye Zhang; Xinhua Ouyang

doi:10.1039/C9TA14039E

Organic solar cells based on cellulose nanopaper from agroforestry residues with an efficiency of over 16% and effectively wide-angle light capturing†

Junying Wu,^a Xinpeng Che,^b Hui-Chao Hu,

*^a Huimin Xu,^a Bin Li,

*^b Yanjun Liu,^a Jianguo Li,^a Yonghao Ni,*^ac Xingye Zhang^a and Xinhua Ouyang

*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of National Forestry & Grassland Bureau for Plant Fiber Functional Materials, College of Material Engineering, Fujian Agriculture and Forestry University, Fuzhou, P. R. China
E-mail: ouyangxh@fafu.edu.cn, hhc_huichao@163.com

^b CAS Key Laboratory of Bio-based Material, Dalian National Laboratory for Clean Energy, Qingdao Institute of Bioenergy and Bioprocess Technology, Chinese Academy of Sciences, Qingdao, P. R. China
E-mail: libin@qibebt.ac.cn

^c Limerick Pulp and Paper Centre, Department of Chemical Engineering, University of New Brunswick, Fredericton, New Brunswick E3B 5A3, Canada
E-mail: yonghao@unb.ca

Abstract

Cellulose nanopaper (CNP) was successfully demonstrated for enhanced efficiency and effective wide-angle light capturing in organic solar cells (OSCs). The highest power-conversion efficiency (PCE) achieved was up to 16.17%, which is one of the best results for natural materials for OSC use. The effective wide-angle harvesting was demonstrated in the range from −45 to 45 degrees. Importantly, when the incident angle is 45°, the J_SC value with CNP was 21.18 mA cm⁻², while the corresponding J_SC value without CNP was only 15.11 mA cm⁻²: an increase of ∼40% was observed. The present PCEs were found to be enhanced from 9.12% to 12.78%.

Journal of Materials Chemistry A

Organic solar cells based on cellulose nanopaper from agroforestry residues with an efficiency of over 16% and effectively wide-angle light capturing†

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Organic solar cells based on cellulose nanopaper from agroforestry residues with an efficiency of over 16% and effectively wide-angle light capturing

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