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https://hdl.handle.net/10356/96142
Title: | TiO2 composing with pristine, metallic or semiconducting single-walled carbon nanotubes : which gives the best performance for a dye-sensitized solar cell | Authors: | Guai, Guan Hong Li, Yao Ng, Chee Mang Li, Chang Ming Chan-Park, Mary B. |
Issue Date: | 2012 | Source: | Guai, G. H., Li, Y., Ng, C. M., Li, C. M., & Chan-Park, M. B. (2012). TiO2 Composing with Pristine, Metallic or Semiconducting Single-Walled Carbon Nanotubes: Which Gives the Best Performance for a Dye-Sensitized Solar Cell. ChemPhysChem, 13(10), 2566-2572. | Series/Report no.: | ChemPhysChem | Abstract: | Different types of single-walled carbon nanotubes (SWCNTs), pristine (p-), metallic (m-) and semiconducting (s-) are incorporated into TiO2 photoanodes to improve the dye-sensitized solar-cell (DSSC) performance and their effects on the device performance are further investigated. Although all three types of SWCNTs are found to have comparable structural morphologies and a reduced charge transport resistivity for the photoanodes, only the semiconducting one was able to suppress charge-recombination events, resulting in even greater improvement of DSSC performances. This is very likely to be ascribed to the higher energy barrier of s-SWCNTs compared to both m- and p-SWCNTs to block the back flowing of dye-injected electrons for I3− reduction in the charge recombination process. | URI: | https://hdl.handle.net/10356/96142 http://hdl.handle.net/10220/10798 |
ISSN: | 1439-4235 | DOI: | 10.1002/cphc.201200156 | Rights: | © 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. | Fulltext Permission: | none | Fulltext Availability: | No Fulltext |
Appears in Collections: | SCBE Journal Articles |
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