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New single-source precursor for bismuth sulfide and its use as low-cost counter electrode material for dye-sensitized solar cells

Chauhan, Ratna and Chaturvedi, Jyotsna and Trivedi, Manoj and Singh, Jyoti and Molloy, Kieran C and Kociok-Koehn, Gabriele and Amalnerkar, Dinesh P and Kumar, Abhinav (2015) New single-source precursor for bismuth sulfide and its use as low-cost counter electrode material for dye-sensitized solar cells. In: INORGANICA CHIMICA ACTA, 430 . pp. 168-175.

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Official URL: http://dx.doi.org/10.1016/j.ica.2015.03.007

Abstract

One new homoleptic Bi(dtc)(3)] (1) (dtc = 4-hydroxypiperdine dithiocarbamate) has been synthesized and characterized by microanalysis, IR, UV-Vis, H-1 and C-13 spectroscopy and X-ray crystallography. The photoluminescence spectrum for the compound in DMSO solution was recorded. The crystal structure of 1 displayed distorted octahedral geometry around the Bi(III) center bonded through sulfur atoms of the dithiocarbamate ligands. TGA indicates that the compound decomposes to a Bi and Bi-S phase system. The Bi and Bi-S obtained from decomposition of the compound have been characterized by pXRD, EDAX and SEM. Solvothermal decomposition of 1 in the absence and presence of two different capping agents yielded three morphologically different Bi2S3 systems which were deployed as counter-electrode in dye-sensitized solar cells (DSSCs). (C) 2015 Elsevier B.V. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the ELSEVIER SCIENCE SA, PO BOX 564, 1001 LAUSANNE, SWITZERLAND
Keywords: Bi2S3; X-ray crystallography; TGA-DTA; Counter electrode; DSSC
Department/Centre: Division of Chemical Sciences > Inorganic & Physical Chemistry
Depositing User: Id for Latest eprints
Date Deposited: 13 May 2015 06:43
Last Modified: 13 May 2015 06:43
URI: http://eprints.iisc.ac.in/id/eprint/51511

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