Romanian Journal of Information Science and Technology (ROMJIST)

An open – access publication

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ROMJIST is a publication of Romanian Academy,
Section for Information Science and Technology

Editor – in – Chief:
Radu-Emil Precup

Honorary Co-Editors-in-Chief:
Horia-Nicolai Teodorescu
Gheorghe Stefan

Secretariate (office):
Adriana Apostol
Adress for correspondence: romjist@nano-link.net (after 1st of January, 2019)

Founding Editor-in-Chief
(until 10th of February, 2021):
Dan Dascalu

Editing of the printed version: Mihaela Marian (Publishing House of the Romanian Academy, Bucharest)

Technical editor
of the on-line version:
Lucian Milea (University POLITEHNICA of Bucharest)

Sponsor:
• National Institute for R & D
in Microtechnologies
(IMT Bucharest), www.imt.ro

ROMJIST Volume 25, No. 2, 2022, pp. 260-271
 

Ioana TISMANAR, Alexandru Cosmin OBREJA, Octavian BUIU, Anca DUTA
Vis-active TiO2 – rGO Photocatalysts for Advanced Wastewater Treatment

ABSTRACT: The implementation of efficient Vis-active photocatalysts, targeting water re-use, represents a priority considering the up-scaling and possible feasible candidates are the composites with metal oxide matrix and graphene derivative(s) fillers. The most efficient metal oxide matrix is titanium dioxide and coupled with the reduced graphene oxide it can develop Vis-active photocatalytic composites. This paper analyzes the performance of these composites as potential photocatalysts to be implemented at industrial scale. The properties of the TiO2 - rGO composite thin films are discussed along with the efficiencies in degrading the methylene blue standard pollutant; moreover, the stability of these thin films during the photo-degradation processes is outlined correlated with the rGO filler content in the composites.

KEYWORDS: Photocatalyst aqueous stability; TiO2 – rGO composite thin film; Vis-active photocatalyst

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