NDLI: Stability assessment of alternative platinum free counter electrodes for dye-sensitized solar cells

Content Provider	Royal Society of Chemistry (RSC)
Author	Yun, Sining Hinsch, Andreas Lund, Peter D.
Copyright Year	2015
Abstract	Platinum (Pt)-free counter electrodes (CEs) are economical alternative components of dye-sensitized solar cells (DSSCs) that have attracted much interest and become the focus of research, with an increasingly large number of scientific papers published in the last two decades. The development of these CE materials was driven mainly by desires to overcome the disadvantages of Pt, as follows: high cost, scarcity, corrosion by the I3−/I− redox couple electrolyte, and mismatch or non-effectivity in the I-free redox couple electrolyte. Although much more is now known about the principal physicochemical processes that occur during CE operation of the DSSC, the stability issues associated with CEs have not been matched by the exponential increase in CE research effort. This raises questions regarding the stability of the CEs whether the present research is sufficiently addressing the stability issues that limit DSSC performance. This review attempts to identify some of the key techniques that evaluate CE stability in DSSCs through a selective presentation of recent research highlights. Classical approaches could effectively assess the probability of using alternative Pt-free CE materials for commercial application, which offer strategies to overcome the current stability stalemate.
Starting Page	3495
Ending Page	3514
Page Count	20
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	8
Issue Number	12
Journal	Energy & Environmental Science
DOI	10.1039/c5ee02446c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Subscribed
Subject Keyword	Dye-sensitized solar cell Corrosion Redox Electrolyte I-Free
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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