Issue 11, 2025
From the journal:

Materials Advances

Visible-light-driven hydrogen evolution using calcium titanate codoped with aluminium, antimony, magnesium, and rhodium, loaded with a platinum (core)–chromia (shell) cocatalyst†

Tomoya Ota,a   Ryota Tomizawa,b   Tomoya Nagano,b   Koji Hayashib  and  Shigeru Ikeda ORCID logo *ac  

* Corresponding authors

a Department of Chemistry, Konan University, 9-1 Okamoto, Higashinada-ku, Kobe, Hyogo 658-8501, Japan
E-mail: s-ikeda@konan-u.ac.jp

b Carbon Neutral Development Division, Toyota Motor Corporation, 1200 Mishuku, Susono, Shizuoka 410-1193, Japan

c Institute for Energy Conversion Materials, Konan University, 9-1 Okamoto, Higashinada-ku, Kobe, Hyogo 658-8501, Japan

Abstract

Calcium titanate codoped with Al3+, Sb5+, Mg2+, and Rh (Rh3+ or Rh4+), prepared via the flux method, showed efficient visible-light-driven H2 evolution using methanol as a hole scavenger. Loading Pt (core)–Cr2O3 (shell) nanoparticles as a cocatalyst enhanced the performance, with an apparent quantum yield of 7.1% being achieved at 420 nm.

Graphical abstract: Visible-light-driven hydrogen evolution using calcium titanate codoped with aluminium, antimony, magnesium, and rhodium, loaded with a platinum (core)–chromia (shell) cocatalyst

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Article information

DOI
https://doi.org/10.1039/D5MA00098J
Article type
Communication
Submitted
05 Feb 2025
Accepted
21 Apr 2025
First published
24 Apr 2025
This article is Open Access
Creative Commons BY-NC license

Mater. Adv., 2025,6, 3455-3459

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Visible-light-driven hydrogen evolution using calcium titanate codoped with aluminium, antimony, magnesium, and rhodium, loaded with a platinum (core)–chromia (shell) cocatalyst

T. Ota, R. Tomizawa, T. Nagano, K. Hayashi and S. Ikeda, Mater. Adv., 2025, 6, 3455 DOI: 10.1039/D5MA00098J

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