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Selective photocatalytic hydrogenation of citral over pure TiO 2 nanoparticle

Authors
  • Luo, Chao1
  • Liu, Xian1
  • Lai, Tao1
  • Li, Junyuan1
  • Xia, Guoming1
  • Zou, Wennan1
  • Wang, Hongming1
  • 1 Nanchang University, People’s Republic of China
Type
Published Article
Journal
Materials Research Express
Publisher
IOP Publishing
Publication Date
Apr 01, 2022
Volume
9
Issue
4
Identifiers
DOI: 10.1088/2053-1591/ac6856
Source
ioppublishing
Keywords
Disciplines
  • Nanomaterials and nanostructures
License
Unknown

Abstract

The α, β-unsaturated aldehydes selective hydrogenation, especially the C=O bond, is an extremely challenging topic in the field of catalysis. In this paper, a series of pure TiO2 photocatalysts obtained at various calcination temperature were tested for the hydrogenation of citral. It has been determined that inexpensive TiO2 nanoparticles, calcined at 450 °C–500 °C for two hours, show hydrogenation selectivity of 100% from citral toward unsaturated alcohols (UA) with the highest conversion up to 99% under ultraviolet light. The present work reports a simple yet pragmatic approach for the efficient and selective hydrogenation of the C=O bond of citral.

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