Issue 17, 2013
From the journal:

Nanoscale

Efficient p-type dye-sensitized solar cells based on disulfide/thiolate electrolytes†

Xiaobao Xu,‡a   Bingyan Zhang,‡a   Jin Cui,a   Dehua Xiong,a   Yan Shen,*a   Wei Chen,*a   Licheng Sun,bc   Yibing Chengad  and  Mingkui Wang*a  

* Corresponding authors

a Michael Grätzel Center for Mesoscopic Solar Cells, Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan, P. R. China
E-mail: ciac_sheny@mail.hust.edu.cn, wnlochenwei@mail.hust.edu.cn, mingkui.wang@mail.hust.edu.cn
Fax: +86 27 87792225
Tel: +86 27 87793867

b State Key Lab of Fine Chemicals, DUT-KTH Joint Education and Research Center on Molecular Devices, Dalian University of Technology (DUT), Dalian, P. R. China

c Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden

d Department of Materials Engineering, Monash University, Melbourne, Victoria, Australia

Abstract

Herein, an organic redox couple 1-methy-1H-tetrazole-5-thiolate (T−) and its disulfide dimer (T2) redox shuttle, as an electrolyte, is introduced in a p-type dye-sensitized solar cell (DSC) on the basis of an organic dye (P1) sensitizer and nanocrystal CuCrO2 electrode. Using this iodide-free transparent redox electrolyte in conjunction with the sensitized heterojunction, we achieve a high open-circuit voltage of over 300 mV. An optimal efficiency of 0.23% is obtained using a CoS counter electrode and an optimized electrolyte composition under AM 1.5 G 100 mW cm−2 light illumination which, to the best of our knowledge, represents the highest efficiency that has so far been reported for p-type DSCs using organic redox couples.

Graphical abstract: Efficient p-type dye-sensitized solar cells based on disulfide/thiolate electrolytes

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Article information

DOI
https://doi.org/10.1039/C3NR02169F
Article type
Paper
Submitted
30 Apr 2013
Accepted
03 Jun 2013
First published
04 Jun 2013

Nanoscale, 2013,5, 7963-7969

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Efficient p-type dye-sensitized solar cells based on disulfide/thiolate electrolytes

X. Xu, B. Zhang, J. Cui, D. Xiong, Y. Shen, W. Chen, L. Sun, Y. Cheng and M. Wang, Nanoscale, 2013, 5, 7963 DOI: 10.1039/C3NR02169F

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