Issue 6, 2025
From the journal:

Reaction Chemistry & Engineering

Photocatalytic evolution of nitrous oxide from nitric monoxide over Pt-loaded titanium dioxide under UV irradiation†

Ryo Asayama,‡a   Masanori Takemoto, ORCID logo ‡a   Arata Suzuki,a   Ryuichi Watanabe,a   Fuminao Kishimoto, ORCID logo a   Kenta Iyoki, ORCID logo abc   Tatsuya Okubo ORCID logo a  and  Toru Wakihara ORCID logo *ad  

* Corresponding authors

a Department of Chemical System Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
E-mail: wakihara@chemsys.t.u-tokyo.ac.jp

b Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency (JST), Kawaguchi, Saitama 332-0012, Japan

c Department of Environment Systems, The University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8563, Japan

d Institute of Engineering Innovation, The University of Tokyo, 2-11-16 Yayoi, Bunkyo-ku, Tokyo 113-8656, Japan

Abstract

This study presents a photocatalytic evolution of nitrous oxide (N2O) from nitric monoxide (NO), well known as a harmful gas contained in exhaust gas. Pt nanoparticles (NPs) were loaded on titanium dioxide (TiO2) using different methods including impregnation, photo-deposition and chemical reduction methods. Bare TiO2 (without metal loading) did not exhibit high N2O evolution under UV irradiation, but all Pt-loaded TiO2 photocatalysts did exhibit improved N2O evolution.

Graphical abstract: Photocatalytic evolution of nitrous oxide from nitric monoxide over Pt-loaded titanium dioxide under UV irradiation

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Article information

DOI
https://doi.org/10.1039/D5RE00119F
Article type
Communication
Submitted
14 Mar 2025
Accepted
22 Apr 2025
First published
07 May 2025
This article is Open Access
Creative Commons BY-NC license

React. Chem. Eng., 2025,10, 1216-1220

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Photocatalytic evolution of nitrous oxide from nitric monoxide over Pt-loaded titanium dioxide under UV irradiation

R. Asayama, M. Takemoto, A. Suzuki, R. Watanabe, F. Kishimoto, K. Iyoki, T. Okubo and T. Wakihara, React. Chem. Eng., 2025, 10, 1216 DOI: 10.1039/D5RE00119F

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