Photocatalytic application of Au-TiO2 immobilized in polycarbonate film

Duck Kun Hwang, Yong Gun Shul, Kyeongseok Oh

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


Nanosize Au-TiO2 is becoming popular to photocatalytic application in visible light. A new fabrication process of photocatalyst is introduced for the purpose of its potential utilization under sunlight. A mixture of photocatalyst and polycarbonate (PC) was cast on a glass substrate to form a film. The photocatalytic experiment was performed in the UV region and visible region separately with powdery samples first, followed by composite films. When powdery Au-TiO2 was applied to decompose of acetaldehyde, activity inferior to Degussa P-25 was observed in UV light, but superior activity was observed in visible light. In the case of Au-TiO2 in PC composite film, evidence of acetaldehyde decomposition was observed, unlike the case of P-25 in PC composite, which showed negligible traces of acetaldehyde decomposition.

Original languageEnglish
Pages (from-to)17907-17912
Number of pages6
JournalIndustrial and Engineering Chemistry Research
Issue number50
Publication statusPublished - 2013 Dec 18

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Chemical Engineering(all)
  • Industrial and Manufacturing Engineering


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