Photocatalytic decarboxylation of lactic acid by Pt/TiO2

  • Kaituo Liu
  • , Anton Litke
  • , Yaqiong Su
  • , Bart G. Van Campenhout
  • , Evgeny A. Pidko
  • , Emiel J.M. Hensen

Research output: Contribution to journalArticlepeer-review

55 Scopus citations

Abstract

A photocatalytic route for the conversion of lactic acid to acetaldehyde in water is demonstrated. Direct UV photolysis of lactic acid yields CO2 and ethanol via a radical mechanism. Pt/TiO2 considerably increases the rate of lactic acid decarboxylation with acetaldehyde, H2 and CO2 as the main products. A concerted photodecarboxylation/dehydrogenation mechanism is proposed.

Original languageEnglish
Pages (from-to)11634-11637
Number of pages4
JournalChemical Communications
Volume52
Issue number78
DOIs
StatePublished - 2016
Externally publishedYes

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