Immobilised photosensitisers for continuous flow reactions of singlet oxygen in supercritical carbon dioxide

Xue Han, Richard A. Bourne, Martyn Poliakoff, Michael W. George

Research output: Journal PublicationArticlepeer-review

59 Citations (Scopus)

Abstract

Photosensitisers have been incorporated into both polymer and aerogel supports for the photochemical generation of singlet oxygen, 1O2, in supercritical carbon dioxide, scCO2. These systems showed high activity and an acceptable lifetime for the photo-oxidation of a-terpinene and of citronellol in continuous reactors over a period of at least 5 h. The most effective photosensitiser was a covalently coupled analogue of tetradi(2,6)chloro-phenylporphyrin (TDCPP) on polyvinyl chloride (PVC). This immobilisation removes the need to separate the photosensitiser from the downstream solution.

Original languageEnglish
Pages (from-to)1059-1067
Number of pages9
JournalChemical Science
Volume2
Issue number6
DOIs
Publication statusPublished - Jun 2011
Externally publishedYes

ASJC Scopus subject areas

  • Chemistry (all)

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