Issue 16, 2014
From the journal:

Journal of Materials Chemistry A

Constructing cubic–orthorhombic surface-phase junctions of NaNbO3 towards significant enhancement of CO2 photoreduction†

Peng Li,a   Hua Xu,b   Lequan Liu,ad   Tetsuya Kako,a   Naoto Umezawa,abc   Hideki Abeabc  and  Jinhua Ye*abd  

* Corresponding authors

a Catalytic Materials Group, Environmental Remediation Materials Unit, National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
E-mail: Jinhua.YE@nims.go.jp

b TU-NIMS Joint Research Center, School of Materials Science and Engineering, Tianjin University, 92 Weijin Road, Nankai District, Tianjin, P. R. China

c PRESTO, Japan Science and Technology Agency (JST), 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan

d International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan

Abstract

A NaNbO3 photocatalyst with cubic–orthorhombic surface-junctions was synthesized by a polymerized-complex method. Compared with cubic and orthorhombic NaNbO3, the activity of mixed-phase NaNbO3 is enhanced by 30% and 200% in reducing CO2 into CH4, respectively. The enhancement of photoactivity over mixed-phase NaNbO3 was attributed to the cubic–orthorhombic surface-junctions which improved the charge separation.

Graphical abstract: Constructing cubic–orthorhombic surface-phase junctions of NaNbO3 towards significant enhancement of CO2 photoreduction

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Article information

DOI
https://doi.org/10.1039/C4TA00105B
Article type
Communication
Submitted
07 Jan 2014
Accepted
07 Feb 2014
First published
07 Feb 2014

J. Mater. Chem. A, 2014,2, 5606-5609

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Constructing cubic–orthorhombic surface-phase junctions of NaNbO3 towards significant enhancement of CO2 photoreduction

P. Li, H. Xu, L. Liu, T. Kako, N. Umezawa, H. Abe and J. Ye, J. Mater. Chem. A, 2014, 2, 5606 DOI: 10.1039/C4TA00105B

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