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Issue 24, 2017
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Optical and electronic configuration of a novel semiconductor-silver nitroprusside for enhanced electrocatalytic and photocatalytic performance

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Abstract

This study presents a novel n-type semiconductor material, silver nitroprusside, possessing a π-acceptor ligand bridged octahedral geometry with a poor spin state metal ligand charge transfer effect. The electronic construction and optical transition properties of the excited state were predicted from the first-principles calculations and configuration interaction singles (CIS) calculations, respectively, so as to reinforce the experimental result. The material was found to be a low band gap (1.65 eV) semiconductor photocatalytic material. Visible light photocatalytic test was conducted to study the degradation of an antibiotic drug, chloramphenicol. Linear sweep voltammetry also displayed a very good electrocatalytic oxygen evolution reaction (OER) performance with a measured current density of 60 mA cm−2 at an overpotential of 370 mV, which is beneficial for photocatalysis. Our exploration can help improve semiconductor based coordination complexes for application in photocatalysis and electro-catalysis. The main novelty of this research study lies in recommending the incorporation of conjugated π ligands in transition metal complexes as a methodology to fabricate efficient photoelectrodes or photocatalysts.

Graphical abstract: Optical and electronic configuration of a novel semiconductor-silver nitroprusside for enhanced electrocatalytic and photocatalytic performance

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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., 2017,7, 6092-6100
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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, 7, 6092
    DOI: 10.1039/C7CY01940H

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