Photocatalytic CO2 conversion over alkali modified TiO2 without loading noble metal cocatalyst

Xianguang Meng; Shuxin Ouyang; Tetsuya Kako; Peng Li; Qing Yu; Tao Wang; Jinhua Ye

doi:10.1039/C4CC04848B

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Photocatalytic CO₂ conversion over alkali modified TiO₂ without loading noble metal cocatalyst†

Xianguang Meng,^ab Shuxin Ouyang,^ac Tetsuya Kako,^ab Peng Li,^a Qing Yu,^ab Tao Wang

*^a and Jinhua Ye*^abc

Author affiliations

* Corresponding authors

^a Environmental Remediation Materials Unit and International Center for Materials Nanoarchitectonics (WPI-MANA), 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
E-mail: WANG.Tao@nims.go.jp, jinhua.ye@nims.go.jp

^b Graduate School of Chemical Science and Engineering, Hokkaido University, Sapporo 060-0814, Japan

^c TU-NIMS Joint Research Center, School of Material Science and Engineering, Tianjin University, 92 Weijin Road, Tianjin, P.R. China

Abstract

Surface modification of TiO₂ with NaOH promoted the chemisorption, activation and photocatalytic CO₂ reduction. An optimized loading amount of NaOH kept a good balance between CO₂ chemisorption quantity and BET surface area of TiO₂. This noble metal free method provides a simple pathway for effective multiple H⁺/e⁻ CO₂ photoreduction.

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Article information

DOI: https://doi.org/10.1039/C4CC04848B
Article type: Communication
Submitted: 25 Jun 2014
Accepted: 06 Aug 2014
First published: 06 Aug 2014

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Chem. Commun., 2014,50, 11517-11519

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Photocatalytic CO₂ conversion over alkali modified TiO₂ without loading noble metal cocatalyst

X. Meng, S. Ouyang, T. Kako, P. Li, Q. Yu, T. Wang and J. Ye, Chem. Commun., 2014, 50, 11517 DOI: 10.1039/C4CC04848B

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