Pt and TCO free hybrid bilayer silver nanowire–graphene counter electrode for dye-sensitized solar cells

[Display omitted] ► Pt–TCO free bilayer silver nanowire and graphene nanoplatelets based hybrid counter electrodes. ► Electro-catalytically active electrode in cobalt complex based electrolyte system. ► Conjugation of carbon nano material with metal nanostructure. ► Efficient and economically viable...

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Published in:Chemical physics letters 2013-03, Vol.561-562, p.115-119
Main Authors: Al-Mamun, Mohammad, Kim, Jae-Yup, Sung, Yung-Eun, Lee, Jae-Joon, Kim, Sung-Ryong
Format: Article
Language:English
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Summary:[Display omitted] ► Pt–TCO free bilayer silver nanowire and graphene nanoplatelets based hybrid counter electrodes. ► Electro-catalytically active electrode in cobalt complex based electrolyte system. ► Conjugation of carbon nano material with metal nanostructure. ► Efficient and economically viable counter electrodes in DSSCs. Here we report a novel transparent conductive oxide (TCO) and Pt free silver nanowire and graphene nanoplatelet (AgNW–GNP) based hybrid counter electrode (CE) for dye-sensitized solar cells (DSSCs) having appreciable photovoltaic performances compared to reference Pt–FTO based DSSCs. Simple solution processed bilayer AgNW–GNP hybrid CEs were prepared to investigate its applicability in DSSCs based on their electrocatalytic and charge transport properties. DSSCs prepared with AgNW–GNP hybrid CEs containing the GNP loading of 0.88μg/cm2 showed the photoconversion efficiency of 1.61±0.13% which is comparable with that of 1.87±0.15% made of standard Pt–FTO CEs.
ISSN:0009-2614
1873-4448
DOI:10.1016/j.cplett.2013.01.043