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Growth of well graphitized MWCNTs over novel 3D cubic bimetallic KIT-6 towards the development of an efficient counter electrode for dye-sensitized solar cells

IR@CECRI: CSIR-Central Electrochemical Research Institute, Karaikudi

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Title Growth of well graphitized MWCNTs over novel 3D cubic bimetallic KIT-6 towards the development of an efficient counter electrode for dye-sensitized solar cells
 
Creator Balamurugan, J.
Pandurangan, A.
Thangamuthu, R.
 
Subject Nanotechnology
Electrochemical Materials Science
 
Description The well graphitized multi-walled carbon nanotubes (MWCNTs) have been effectively synthesized over ordered 3D cubic bimetallic Fe–Co-KIT-6. The synthesized MWCNTs have been successfully fabricated onto transparent conducting oxide glass and implemented as efficient low-cost, platinum-free counter electrode in dye-sensitized solar cells (DSSCs), attributing notably improved electrocatalytic activity towards iodide/tri-iodide ðI�=I� 3 Þ redox transport over conventional Pt counter electrode. Impressively, device with MWCNTs counter electrode demonstrates a high fill factor of 0.79 and power conversion efficiency up to 9.56%, which is higher than 0.78 and 9.34% for that with a conventional Pt counter electrode. Moreover, the synthesized MWCNTs counter electrode produces a charge transfer resistance of only 2.99 X cm2 towards aqueous I�=I� 3 redox electrolyte, which are several orders of magnitude lower than that of a typical Pt counter electrode (3.57 X cm2). Therefore, the synthesized MWCNTs counter electrode is believed to be a versatile candidate for further improvement of the power conversion efficiency of iodine redox couple based DSSCs
 
Publisher Elsevier
 
Date 2013
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://cecri.csircentral.net/3040/1/047-2013.pdf
Balamurugan, J. and Pandurangan, A. and Thangamuthu, R. (2013) Growth of well graphitized MWCNTs over novel 3D cubic bimetallic KIT-6 towards the development of an efficient counter electrode for dye-sensitized solar cells. Organic Electronics, 14. pp. 1833-1843.
 
Relation http://www.elsevier.com/locate/orgel
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