Morphology dependence of photocatalytic activity of TiO 2 nanostructure prepared through microwave hydrothermal process

Kai Lun Lin, Fu Der Mai, You Cheng Chan, Jen Chieh Chung, Kou Min Lin, Chung Chin Yu, Ming Yuan Liao, Feng Yin Li

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Five different morphologies selectively synthesized through a microwave hydrothermal route in order to determine the dependence of degradation efficiency on TiO 2 morphologies. These five morphologies include nanosphere, nanotube, hollow sphere, nanorod and granule-like particle. Scanning electron microscopy, X-ray diffraction and Brunauer-Emment-Teller methods were used to characterize the morphologies, crystalline structures, and specific surface area of these nanostructured TiO 2. Oxidants were used as sacrificial electron acceptor to accelerate the degradation. The degradation mechanism of oxalic acid on the surface of TiO 2 influenced by oxidants was discussed.

Original languageEnglish
Pages (from-to)603-613
Number of pages11
JournalJournal of the Chinese Chemical Society
Volume59
Issue number5
DOIs
Publication statusPublished - May 2012

Keywords

  • Microwave hydrothermal process
  • Photodegradation
  • TiO nanostructure

ASJC Scopus subject areas

  • Chemistry(all)

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