NDLI: Low-cost dye-sensitized solar cell based on nine kinds of carbon counter electrodes

Content Provider	Royal Society of Chemistry (RSC)
Author	Ma, Tingli Wu, Mingxing Qiu, Jieshan Wang, Tonghua Lin, Xiao
Copyright Year	2011
Abstract	Nine kinds of carbon materials were introduced into dye-sensitized solar cells (DSCs) system as counter electrodes (CEs). We also compared the electrochemical catalytic activity of these carbon materials with Pt for the reduction of triiodide to iodide by measuring cyclic voltammetry (CV), electrochemical impedance spectroscopy (EIS) and Tafel-polarization curve. The nine kinds of carbon materials in this work included synthesized well-ordered mesoporous carbon (Com), activated carbon (Ca), carbon black (Cb), conductive carbon (Cc), carbon dye (Cd), carbon fiber (Cf), carbon nanotube (Cn), discarded toner of a printer (Cp) and fullerene (C60). All carbon materials showed electrochemical catalytic activity for triiodide reduction in the DSCs system. In particular, the synthesized Com showed excellent electrochemical catalytic activity which can be comparable to the performance of Pt. After optimizing the proportion of TiO2 added into the carbon paste and the spray time of the carbon paste, the DSCs based on these carbon CEs achieved energy conversion efficiencies of 2.8–7.5%. The results demonstrate that carbon material is a promising substitute for the expensive Pt CE for low-cost DSCs.
Starting Page	2308
Ending Page	2315
Page Count	8
File Format	HTM / HTML PDF
ISSN	17545692
Volume Number	4
Issue Number	6
Journal	Energy & Environmental Science
DOI	10.1039/c1ee01059j
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Carbon Dye-sensitized solar cell Electrochemistry Triiodide Iodide Cyclic voltammetry Electrical impedance Spectroscopy Mesoporous material Activated carbon Carbon black Dye Carbon nanotube Toner Buckminsterfullerene
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Pollution Renewable Energy, Sustainability and the Environment Nuclear Energy and Engineering

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