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- Title
Catalytic Applications of Non‐Centrosymmetric Oxide Nanomaterials.
- Authors
Amaechi, Ifeanyichukwu C.; Hadj Youssef, Azza; Dörfler, Andreas; González, Yoandris; Katoch, Rajesh; Ruediger, Andreas
- Abstract
Noble‐metal‐free catalytic nanoparticles hold the promise being abundant, low‐cost materials having a small environmental footprint and excellent performance, albeit inferior to that of noble metal counterparts. Several materials have a long‐standing history of success in photocatalysis, in particular titanium dioxide, and in recent years more complex oxides and added functionality have emerged with enhanced performance. We will discuss different approaches related to the use of non‐centrosymmetric and polar oxide nanoparticles and how the bulk photovoltaic effect, piezoelectricity, and pyroelectricity add to photocatalysis and tribocatalysis. We pay special attention to discriminate between the role of free versus that of bound charges within the catalyst, which is crucial to disentangle the different contributions to the catalytic reaction for the benefit of the overall enhanced catalytic performance in e.g. wastewater treatment and ultimately water‐splitting.
- Subjects
PHOTOVOLTAIC effect; NANOSTRUCTURED materials; PYROELECTRICITY; PIEZOELECTRICITY; PRECIOUS metals
- Publication
Angewandte Chemie, 2022, Vol 134, Issue 43, p1
- ISSN
0044-8249
- Publication type
Article
- DOI
10.1002/ange.202207975