Facile synthesis of ultrathin SnNb2O6 nanosheets towards improved visible-light photocatalytic H2-production activity

Chao Zhou; Yufei Zhao; Lu Shang; Run Shi; Li-Zhu Wu; Chen-Ho Tung; Tierui Zhang

doi:10.1039/C6CC03739A

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Facile synthesis of ultrathin SnNb₂O₆ nanosheets towards improved visible-light photocatalytic H₂-production activity†

Chao Zhou,^a Yufei Zhao,^a Lu Shang,^a Run Shi,^ab Li-Zhu Wu,^a Chen-Ho Tung^a and Tierui Zhang*^a

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* Corresponding authors

^a Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, P. R. China
E-mail: tierui@mail.ipc.ac.cn
Fax: +86 10 62554670
Tel: +86 1082543428

^b University of Chinese Academy of Sciences, Beijing, P. R. China

Abstract

Ultrathin SnNb₂O₆ nanosheets with a thickness of ∼3 nm were synthesized via a facile hydrothermal route using ultrathin K₄Nb₆O₁₇ nanosheets as the precursor. This ultrathin nanosheets with a large specific surface area of 71.1 m² g⁻¹ showed improved visible-light photocatalytic H₂-production activity in lactic acid aqueous solution, which is about 4 and 14 times higher than that of 50 nm-thick SnNb₂O₆ nanosheets and bulk SnNb₂O₆ powders, respectively. The higher activity of ultrathin nanosheets was mainly attributed to their larger specific surface area and much better charge transfer efficiency.

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Article information

DOI: https://doi.org/10.1039/C6CC03739A
Article type: Communication
Submitted: 04 May 2016
Accepted: 03 Jun 2016
First published: 03 Jun 2016

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Chem. Commun., 2016,52, 8239-8242

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Facile synthesis of ultrathin SnNb₂O₆ nanosheets towards improved visible-light photocatalytic H₂-production activity

C. Zhou, Y. Zhao, L. Shang, R. Shi, L. Wu, C. Tung and T. Zhang, Chem. Commun., 2016, 52, 8239 DOI: 10.1039/C6CC03739A

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Chemical Communications