Issue 20, 2011
From the journal:

Journal of Materials Chemistry

Solvent-free ionic liquid/poly(ionic liquid) electrolytes for quasi-solid-state dye-sensitized solar cells

Jie Zhao,a   Xiaojuan Shen,b   Feng Yan,*a   Lihua Qiu,a   Shuittong Leec  and  Baoquan Sun*b  

* Corresponding authors

a Key Laboratory of Organic Synthesis of Jiangsu Province, School of Chemistry and Chemical Engineering, Soochow University, Suzhou, P. R. China
E-mail: fyan@suda.edu.cn

b Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, P. R. China
E-mail: bqsun@suda.edu.cn
Fax: +0086-512-65882846
Tel: +0086-512-65880951

c Center of Super-Diamond and Advanced Films (COSDAF) and Department of Physics and Materials Science, City University of Hong Kong, Hong Kong, SAR. P. R. China

Abstract

Photochemically stable poly(ionic liquids) (poly(ILs)) including poly(1-butyl-3-vinylimidazolium bromide) ([PBVIm][Br]) and poly(1-butyl-3-vinylimidazolium bis(trifluoromethanesulfonyl)imide) ([PBVIm][TFSI]) were synthesized and dissolved in the room temperature ionic liquids (ILs) to form quasi-solid-state electrolytes for dye-sensitized solar cells (DSSCs), without using any volatile organic solvent. DSSCs based on IL/[PBVIm][TFSI] gel electrolyte yielded a power conversion efficiency of 4.4% under a simulated air mass 1.5 solar spectrum illumination at 100 mW cm−2. The superior long-term stability of fabricated DSSCs indicated that the DSSCs based on solvent-free IL/poly(ILs) gel electrolytes could overcome the drawbacks of cells containing volatile solvents.

Graphical abstract: Solvent-free ionic liquid/poly(ionic liquid) electrolytes for quasi-solid-state dye-sensitized solar cells

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Article information

DOI
https://doi.org/10.1039/C1JM10346F
Article type
Paper
Submitted
22 Jan 2011
Accepted
09 Mar 2011
First published
04 Apr 2011

J. Mater. Chem., 2011,21, 7326-7330

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Solvent-free ionic liquid/poly(ionic liquid) electrolytes for quasi-solid-state dye-sensitized solar cells

J. Zhao, X. Shen, F. Yan, L. Qiu, S. Lee and B. Sun, J. Mater. Chem., 2011, 21, 7326 DOI: 10.1039/C1JM10346F

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