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Optical and Electronic Configuration of a Novel Semiconductor -Silver Nitroprusside for Enhanced Electrocatalytic and Photocatalytic Performance

Abstract

Current research inaugurates a novel n-type semiconductor material, silver nitroprusside, having a ∏ acceptor ligand bridged octahedral geometry with poor spin state metal ligand charge transfer effect. Electronic construction and optical transition properties of excited state has been predicted from the first principles calculations and configuration interaction singles (CIS) calculations respectively, so as to reinforce the experimental result. The material has been found to be a low band gap (1.65 eV) semiconductor photocatalytic material. Visible light photocatalytic test has been drawn by the degradation of an antibiotic drug, chloramphenicol. Linear sweep voltammetry also displays a very good electrocatalytic oxygen evolution reaction (OER) performance with a measured current density of 60 mA/cm2 at an overpotential of 370 mV, which is beneficial for photocatalysis. Our exploration may help the improvement of semiconductor based coordination complex for application in photocatalysis and electro-catalysis. Main novelty of this research study lies in recommending the incorporation of conjugated π ligand in transition metal complex as a methodology to fabricate efficient photoelectrodes or photocatalysts.

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Publication details

The article was received on 21 Sep 2017, accepted on 09 Nov 2017 and first published on 10 Nov 2017


Article type: Paper
DOI: 10.1039/C7CY01940H
Citation: Catal. Sci. Technol., 2017, Accepted Manuscript
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    Optical and Electronic Configuration of a Novel Semiconductor -Silver Nitroprusside for Enhanced Electrocatalytic and Photocatalytic Performance

    S. Rahut, A. Bharti and J. K. Basu, Catal. Sci. Technol., 2017, Accepted Manuscript , DOI: 10.1039/C7CY01940H

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