Carbonaceous dye-sensitized solar cell photoelectrodes
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(Published version)
Date
2015
Authors
Batmunkh, M.
Biggs, M.
Shapter, J.
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Journal article
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Advanced Science, 2015; 2(3):1400025-1-1400025-16
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Munkhbayar Batmunkh, Mark J. Biggs, and Joseph G. Shapter
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Abstract
High photovoltaic effi ciency is one of the most important keys to the commercialization of dye sensitized solar cells (DSSCs) in the quickly growing renewable electricity generation market. The heart of the DSSC system is a wide bandgap semiconductor based photoelectrode fi lm that helps to adsorb dye molecules and transport the injected electrons away into the electrical circuit. However, charge recombination, poor light harvesting effi ciency and slow electron transport of the nanocrystalline oxide photoelectrode fi lm are major issues in the DSSC’s performance. Recently, semiconducting composites based on carbonaceous materials (carbon nanoparticles, carbon nanotubes (CNTs), and graphene) have been shown to be promising materials for the photoelectrode of DSSCs due to their fascinating properties and low cost. After a brief introduction to development of nanocrystalline oxide based fi lms, this Review outlines advancements that have been achieved in the application of carbonaceous-based materials in the photoelectrode of DSSCs and how these advancements have improved performance. In addition, several of the unsolved issues in this research area are discussed and some important future directions are also highlighted.
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© 2015 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.