Issue 25, 2012
From the journal:

RSC Advances

Visible-light plasmonic photocatalyst anchored on titanate nanotubes: a novel nanohybrid with synergistic effects of adsorption and degradation

Yuxin Tang,†a   Zhelong Jiang,†ab   Qiuling Tay,a   Jiyang Deng,a   Yuekun Lai,ac   Dangguo Gong,a   Zhili Dong*a  and  Zhong Chen*a  

* Corresponding authors

a School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798
E-mail: aszchen@ntu.edu.sg, zldong@ntu.edu.sg
Fax: +65 6790 9081
Tel: +65 6790 4256

b C.N. Yang Scholars Programme, Nanyang Technological University, 60 Nanyang Drive, SBS-02n-45, Singapore 637551

c Physikalisches Institute and Center for Nanotechnology (CeNTech), Westfälische Wilhelms-Universität, Münster, Münster D-48149, Germany

Abstract

A nanohybrid plasmonic photocatalyst, comprising Ag-AgX (X = Cl, Br, I) nanoparticles anchored on titanate nanotubes, was fabricated via a silver ion incorporation process followed by hydrogen halide injection and light-irradiation. The Ag-AgX-titanate nanotubes (Ag-AgX-TNT) hybrid with a high surface area could synergistically adsorb and degrade methylene blue (MB) under visible light, viz., the titanate nanotubes adsorb MB onto their surfaces, which aids the degradation of MB by Ag-AgX nanoparticles. The excellent degradation performance of Ag-AgX under visible light originated from its localized surface plasmonic resonance effect. Therefore, this integrated silver halides/titanate hybrid can efficiently degrade MB dye, and shows good potential for waste water treatment utilizing solar irradiation.

Graphical abstract: Visible-light plasmonic photocatalyst anchored on titanate nanotubes: a novel nanohybrid with synergistic effects of adsorption and degradation

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Article information

DOI
https://doi.org/10.1039/C2RA21300A
Article type
Paper
Submitted
28 Jun 2012
Accepted
05 Aug 2012
First published
07 Aug 2012

RSC Adv., 2012,2, 9406-9414

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Visible-light plasmonic photocatalyst anchored on titanate nanotubes: a novel nanohybrid with synergistic effects of adsorption and degradation

Y. Tang, Z. Jiang, Q. Tay, J. Deng, Y. Lai, D. Gong, Z. Dong and Z. Chen, RSC Adv., 2012, 2, 9406 DOI: 10.1039/C2RA21300A

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