Band gap engineered TiO <sub>2</sub> nanoparticles for visible light induced photoelectrochemical and photocatalytic studies

Mansoob Khan, Mohammad; Ali Ansari, Sajid; Pradhan, Debabrata; Omaish Ansari, Mohd; Hung Han, Do; Lee, Jintae; Hwan Cho, Moo

doi:10.1039/c3ta14052k

Public

Band gap engineered TiO 2 nanoparticles for visible light induced photoelectrochemical and photocatalytic studies

Published in Journal of Materials Chemistry A • Oct 30, 2013

Authors:

Mohammad Mansoob Khan

Sajid Ali Ansari

Debabrata Pradhan

Abstract

Visible light-active TiO2 (m-TiO2) nanoparticles were obtained by an electron beam treatment of commercial TiO2 (p-TiO2) nanoparticles. The m-TiO2 nanoparticles exhibited a distinct red-shift in the UV-visible absorption spectrum and a much narrower band gap (2.85 eV) due to defects as confirmed by ...

Subject

X-ray photoelectron spectroscopy

Photocatalysis

Visible spectrum

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