Issue 10, 2010
From the journal:

Nanoscale

Visible-light-driven reversible and switchable hydrophobic to hydrophilic nitrogen-doped titania surfaces: correlation with photocatalysis

Junwei Wang,a   Baodong Mao,a   James L. Gole*b  and  Clemens Burda*a  

* Corresponding authors

a Department of Chemistry, Case Western Reserve University, Cleveland, OH, USA
E-mail: burda@case.edu

b Schools of Physics and Mechanical Engineering, Georgia Institute of Technology, 837 State Street, NW, Atlanta, GA, USA
E-mail: jim.gole@physics.gatech.edu

Abstract

Visible-light-responsive nitrogen-doped titanium dioxide nanorods have been synthesized by a hydrothermal method at low temperature. X-Ray diffraction, scanning electron microscopy, UV-vis spectroscopy, and contact angle measurements were used to obtain the crystal structures, morphologies, visible-light absorbance, and hydrophobicity, respectively, of the prepared nanorods. The surface wettability of the samples could be reversibly tuned from hydrophobic to hydrophilic upon visible-light illumination. This switchable surface wettability is crucial since the photocatalytic activity of this nanoscaled catalyst for the decomposition of organic molecules exhibits a strong dependence on the surface wettability.

Graphical abstract: Visible-light-driven reversible and switchable hydrophobic to hydrophilic nitrogen-doped titania surfaces: correlation with photocatalysis

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Article information

DOI
https://doi.org/10.1039/C0NR00313A
Article type
Paper
Submitted
09 May 2010
Accepted
02 Jul 2010
First published
27 Aug 2010

Nanoscale, 2010,2, 2257-2261

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Visible-light-driven reversible and switchable hydrophobic to hydrophilic nitrogen-doped titania surfaces: correlation with photocatalysis

J. Wang, B. Mao, J. L. Gole and C. Burda, Nanoscale, 2010, 2, 2257 DOI: 10.1039/C0NR00313A

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