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Issue 61, 2016
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Copper-based dye-sensitized solar cells with quasi-solid nano cellulose composite electrolytes

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Abstract

The study presented describes the preparation of solvent-free nano composite gel electrolytes in combination with copper(I)-based dye-sensitized solar cells (DSSCs). The electrolytes comprise poly(ethylene oxide) (PEO) and cellulose nano crystals (CNCs) and an I3/I redox shuttle. The quasi-solid-state DSSCs show increased photoconversion performance with increased amount of CNC in the electrolyte. DSSC performances measured on the day that the devices are fabricated show that when the electrolyte is composed of 80% CNC, a cell efficiency of 1.09% is reached compared to 1.16% using a standard liquid I3/I electrolyte. DSSCs containing the nano composites and the copper(I)-based dye show robust stability over time, and after 60 days, DSSCs with the PEO/CNC/I3/I electrolyte outperform those containing the liquid electrolyte.

Graphical abstract: Copper-based dye-sensitized solar cells with quasi-solid nano cellulose composite electrolytes

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Supplementary files

Article information


Submitted
11 Mar 2016
Accepted
07 Jun 2016
First published
13 Jun 2016

This article is Open Access

RSC Adv., 2016,6, 56571-56579
Article type
Paper
Author version available

Copper-based dye-sensitized solar cells with quasi-solid nano cellulose composite electrolytes

M. Willgert, A. Boujemaoui, E. Malmström, E. C. Constable and C. E. Housecroft, RSC Adv., 2016, 6, 56571
DOI: 10.1039/C6RA06546E

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