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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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Publication details

The article was received on 11 Mar 2016, accepted on 07 Jun 2016 and first published on 13 Jun 2016


Article type: Paper
DOI: 10.1039/C6RA06546E
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Citation: RSC Adv., 2016,6, 56571-56579
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    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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