Bahruji, Hasliza, Bowker, Michael  ORCID: https://orcid.org/0000-0001-5075-1089, Davies, Philip Rosser ORCID: https://orcid.org/0000-0003-4394-766X, Kennedy, Julia ORCID: https://orcid.org/0000-0003-4482-6392 and Morgan, David John ORCID: https://orcid.org/0000-0002-6571-5731
2015.
The importance of metal reducibility for the photo-reforming of methanol on transition metal-TiO2 photocatalysts and the use of non-precious metals.
International Journal of Hydrogen Energy
40
(3)
, pp. 1465-1471.
10.1016/j.ijhydene.2014.11.097
|
Abstract
Hydrogen production from the photocatalytic reforming of methanol has been conducted on TiO2 with a range of transition metal co-catalysts. The noble metals Pt, Pd and Au catalysts showed much higher activity than non-noble metal catalysts, and this conforms to the general trend of hydrogen production being linked to the ease of reduction of the corresponding transition metal oxides. Metal oxides such as NiO and Fe2O3, with a positive enthalpy of reduction show negligible amounts of hydrogen production. However, when the NiO nanoparticles were carefully pre-reduced, the resulting Ni–NiO/TiO2 showed a big enhancement in catalytic activity. The reducibility trends observed in the study should provide insight into the development of potential catalysts for the photocatalytic splitting of water.
| Item Type: | Article |
|---|---|
| Date Type: | Publication |
| Status: | Published |
| Schools: | Cardiff Catalysis Institute (CCI) Chemistry |
| Subjects: | Q Science > QD Chemistry |
| Uncontrolled Keywords: | Photocatalysis; Water splitting; Transition metal oxide; Precious metal |
| Publisher: | Elsevier |
| ISSN: | 0360-3199 |
| Date of Acceptance: | 17 October 2014 |
| Last Modified: | 24 May 2023 15:26 |
| URI: | https://orca.cardiff.ac.uk/id/eprint/70766 |
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