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Current Nanoscience

Editor-in-Chief

ISSN (Print): 1573-4137
ISSN (Online): 1875-6786

Research Article

Preparation and Characterization of Black Titanium by Chemical Reduction of TiO2 and its Photocatalytic Activity

Author(s): Meriem Kouhail*, Zakia El ahmadi , Abbés Benayada and Said Gmouh

Volume 18, Issue 3, 2022

Published on: 26 August, 2021

Page: [391 - 398] Pages: 8

DOI: 10.2174/1573413717666210826125835

Abstract

Background: Monitoring of the chemical synthesis of black titanium.

Objective: In this study, we prepared a black titanium nanomaterial by chemical reduction (NaBH4 treatment). Control of the black TiO2 nanomaterial synthesis followed by a thermal analysis from 100°C to 400°C under azote atmosphere is presented. We used a commercial dye, Reactive Bezactiv Yellow (RBY) degradation, to examine the photocatalytic activity of the black titanium.

Methods: The thermal analysis of WT and a mixture of treated TiO2(WT+NaBH4) was examined by thermogravimetric analysis (TGA).

The obtained nanoparticle is analyzed by X-Ray diffraction (XRD), scanning electron microscopy (SEM), infrared spectroscopy (IR), UV–visible spectrophotometry, thermal gravimetric analysis (TGA), and differential scanning calorimetry (DSC).

Results: A deformation of the crystalline lattice is extended beyond the entire visible spectrum. The thermal property reveals that the black titanium is more stable than the white titanium, and BT indicated a more photocatalytic performance than WT.

Conclusion: We have successfully synthesized black titanium via chemical reduction employing a synthesis of white titanium. The thermal analysis reveals that BT has a high resistance than WT that offers a promising opportunity for several photocatalytic applications.

Keywords: Black titanium, chemical reduction, thermal analysis, photocatalytic activity, reduction of TiO2, TiO2 nanomaterial synthesis.

Graphical Abstract

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