Journal
NANOSCALE
Volume 7, Issue 28, Pages 11877-11893Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5nr02433a
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Funding
- National Science & Technology Pillar Program during the Twelfth Five-year Plan Period [2012BAD47B02]
- Shaanxi Provincial Department of Education [2013JK0927]
- Sci-Tech R&D Program of Shaanxi Province [2011JM6010, 2015JM5183]
- SRF for ROCS, SEM
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Recently, considerable attention has been paid to dye-sensitized solar cells (DSSCs) which are based on Co2+/Co3+ redox shuttles, because of their unparalleled merits including higher redox potential, reduced corrosiveness towards metallic conductors, low costs and high power conversion efficiencies (PCE) (13%). The counter electrode (CE) is an essential component in DSSCs, and plays a crucial role in catalyzing Co3+ ion reduction in Co-based DSSCs. In this mini-review, we review recent developments in CE materials for Co-mediated DSSCs including: noble metal platinum (Pt), carbon materials, transition metal compounds (TMCs), polymers, and their corresponding hybrids, highlighting important contributions worldwide that promise low cost, efficient, and robust Co-mediated DSSC systems. Additionally, the crucial challenges associated with employing these low-cost CE catalysts for Co-based redox couples in DSSCs are stressed.
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