Photodeposition Conditions of Silver Cocatalyst on Titanium Oxide Photocatalyst Directing Product Selectivity in Photocatalytic Reduction of Carbon Dioxide with Water

  • Ahmed Hammad
  • Akihiko Anzai
  • Xing Zhu
  • Akira Yamamoto
  • Daiki Ootsuki
  • Teppei Yoshida
  • Ahmed EL-Shazly
  • Marwa Elkady
  • Hisao YoshidaEmail author


Ag-loaded TiO2 photocatalysts prepared by photodeposition method in an argon atmosphere exhibited highly selective photocatalytic activity for CO2 reduction with water to produce CO, while the sample prepared under an air atmosphere predominantly promoted water splitting.

Graphic Abstract


Photocatalytic CO2 reduction Carbon monoxide Titanium oxide Silver cocatalyst Water splitting 



The author, A.S Hammad, gratefully acknowledges the Egyptian Ministry of Higher Education MOHE, which has granted him a full Ph.D. scholarship, and Egypt-Japan University (E-JUST), specially the TMD (Technology Management Department), for providing the facilities to accomplish this work. Additionally, the authors gratefully acknowledge all members of the Yoshida Lab, Kyoto University for the help and support they offered. This study was financially supported by a Grant-in-Aid for Scientific Research on Innovative Areas “singularity-structure project” (No. 17H05334) from JSPS, and the Program for Element Strategy Initiative for Catalysts & Batteries (ESICB), commissioned by the MEXT of Japan.

Compliance with Ethical Standards

Conflict of interest

No conflict of interest.

Supplementary material

10562_2019_2997_MOESM1_ESM.pdf (559 kb)
Supplementary material 1 (PDF 560 kb)


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© Springer Science+Business Media, LLC, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Chemical and Petrochemicals Engineering DepartmentEgypt-Japan University of Science and TechnologyNew Borg El-Arab City, AlexandriaEgypt
  2. 2.Chemical Engineering Department, Faculty of EngineeringPort Said UniversityPort SaidEgypt
  3. 3.Graduate School of Human and Environmental StudiesKyoto UniversityKyotoJapan
  4. 4.Elements Strategy Initiative for Catalysts and Batteries (ESICB)Kyoto UniversityKyotoJapan

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