Microwave Assisted Synthesis of CuS-Reduced Graphene Oxide Nanocomposite with Efficient Photocatalytic Activity Towards Azo Dye Degradation | Sciact - CRIS-system of Boreskov Institute of Catalysis

Microwave Assisted Synthesis of CuS-Reduced Graphene Oxide Nanocomposite with Efficient Photocatalytic Activity Towards Azo Dye Degradation Full article

Journal

Journal of Environmental Chemical Engineering
ISSN: 2213-3437

Output data

Year: 2016, Volume: 4, Number: 4, Pages: 4600-4611 Pages count : 12 DOI: 10.1016/j.jece.2016.10.023

Tags

Congo red (CR), CuS nanoparticles, CuS-rGO nanocomposite, Photocatalytic degradation, Reduced graphene oxide

Authors

Borthakur Priyakshree ^1,2 , Boruah Purna K. ^1,2 , Darabdhara Gitashree ^1,2 , Sengupta Pinaki ^1,2 , Das Manash R. ^1,2 , Boronin Andrei I. ^3,5 , Kibis Lidiya S. ^3,5 , Kozlova Mariia N. ⁴ , Fedorov Vladimir E. ^4,5

Affiliations

1	Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology, Jorhat 785006, Assam, India
2	Academy of Scientific and Innovative Research, CSIR-NEIST Campus, India
3	Boreskov Institute of Catalysis, Siberian Branch of the Russian Academy of Sciences, 5, Acad. Lavrentiev Prosp., Novosibirsk 630090, Russia
4	Nikolaev Institute of Inorganic Chemistry, Siberian Branch of the Russian Academy of Sciences, 3, Acad. Lavrentiev Prosp., Novosibirsk 630090, Russia
5	Novosibirsk State University, 2, Pirogova St., Novosibirsk 630090, Russia

Funding (4)

1	Russian Foundation for Basic Research	15-53-45041
2	Department of Science and Technology	INT/RUS/RFBR/P-193
3	North East Institute of Science and Technology	GPP 301
4	Department of Science and Technology	INSPIRE Programme

Semiconductor based CuS-rGO nanocomposite materials have drawn a considerable attention towards photodegradation of organic dye molecules due to the low band gap ( 2.5 eV) of CuS nanoparticles. Presence of reduced graphene oxide (rGO) in CuS-rGO nanocomposite induced synergistic effect between CuS and rGO sheets which led towards better photocatalytic degradation efficiency as compared to CuS nanoparticles (without rGO support) and rGO alone. In this study CuS-rGO nanocomposite was synthesized by a simple microwave irradiation technique and characterized by High resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), Thermogravimetric analysis (TGA) and Photoluminescence (PL) spectroscopy studies. The synthesized nanocomposite behaved as efficient photocatalyst towards diazo Congo Red (CR) dye molecule under natural sunlight irradiation with a maximum degradation efficiency of 98.76%. Effect of initial dye concentration, catalyst loading, pH of the reaction medium and role of different inorganic ions as well as the amount of graphene content in the photocatalyst on photocatalytic degradation of CR dye molecule was investigated in this study. The present study also focussed on the effect of different inorganic ions on the surface potential of the photocatalyst and their effect on the degradation process

Borthakur P. , Boruah P.K. , Darabdhara G. , Sengupta P. , Das M.R. , Boronin A.I. , Kibis L.S. , Kozlova M.N. , Fedorov V.E.
Microwave Assisted Synthesis of CuS-Reduced Graphene Oxide Nanocomposite with Efficient Photocatalytic Activity Towards Azo Dye Degradation
Journal of Environmental Chemical Engineering. 2016. V.4. N4. P.4600-4611. DOI: 10.1016/j.jece.2016.10.023 WOS Scopus РИНЦ AN OpenAlex

Submitted:	Jul 2, 2016
Accepted:	Oct 20, 2016
Published online:	Oct 20, 2016
Published print:	Dec 1, 2016

Web of science:	WOS:000391700900092
Scopus:	2-s2.0-85005993388
Elibrary:	29470629
Chemical Abstracts:	2016:1765151
OpenAlex:	W2534025632

DB	Citing
Web of science	65
Scopus	68
Elibrary	60
OpenAlex	73