Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/101041
Title: Metal/metal sulfide functionalized single-walled carbon nanotubes : FTO-free counter electrodes for dye sensitized solar cells
Authors: Zhang, Liling
Mulmudi, Hemant Kumar
Batabyal, Sudip Kumar
Lam, Yeng Ming
Mhaisalkar, Subodh Gautam
Issue Date: 2012
Source: Zhang, L., Mulmudi, H. K., Batabyal, S. K., Lam, Y. M., Mhaisalkar, S. G. (2012). Metal/metal sulfide functionalized single-walled carbon nanotubes : FTO-free counter electrodes for dye sensitized solar cells. Physical Chemistry Chemical Physics, 14(28), 9906-9911.
Series/Report no.: Physical chemistry chemical physics
Abstract: The use of single-walled carbon nanotubes (CNT) thin films to replace conventional fluorine-doped tin oxide (FTO) and both FTO and platinum (Pt) as the counter electrode in dye sensitized solar cells (DSSC) requires surface modification due to high sheet resistance and charge transfer resistance. In this paper, we report a simple, solution-based method of preparing FTO-free counter electrodes based on metal (Pt) or metal sulfide (Co8.4S8, Ni3S2) nanoparticles/CNT composite films to improve device performance. Based on electrochemical studies, the relative catalytic activity of the composite films was Pt > Co8.4S8 > Ni3S2. We achieved a maximum efficiency of 3.76% for the device with an FTO-free counter electrode (Pt/CNT). The device with an FTO- and Pt-free (CoS/CNT) counter electrode gives 3.13% efficiency.
URI: https://hdl.handle.net/10356/101041
http://hdl.handle.net/10220/11065
DOI: 10.1039/C2CP40900C
Rights: © 2012 The Owner Societies.
Fulltext Permission: none
Fulltext Availability: No Fulltext
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