Journal
ELECTROCHEMISTRY COMMUNICATIONS
Volume 12, Issue 2, Pages 327-330Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2009.12.032
Keywords
Quantum dots; Dye-sensitized solar cells; Carbon electrode; Electrochemical impedance spectra; Chemical bath deposition technique (CBD)
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Funding
- National Natural Science Foundation of China [20721140647, 20725311, 20673141, 20703063, 20873178]
- National Basic Research Program of China [2006CB202606]
- National High Technology Research and Development Program [2006AA03Z341]
- Chinese Academy of Sciences
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Carbon electrode was first employed on US quantum dot-sensitized solar cells (QDSSCs). It can present up to 1.47% of the conversion efficiency, outperforming the identical cell with Pt electrode (0.17%) under AM 1.5 illumination of 100 mW cm(-2). Electrochemical impedance spectrum (EIS) is applied to characterize the charge transfer resistance (R-ct) at electrolyte/counterelectrode interface of CdS QDSSCs. Our preliminary result revealed that carbon electrodes with large surface area and ideal corrosion-inertness toward polysulfide redox couple exhibits promising application on QDSSCs. (C) 2009 Elsevier B.V. All rights reserved.
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