Synthesis of hybrid Pt/TiO2 (anatase)/MWCNTs nanomaterials by a combined sol-gel and polyol process

K. N. Lin, W. J. Liou, T. Y. Yang, H. M. Lin, C. K. Lin, S. H. Chien, W. C. Chen, S. H. Wu

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

In the present study, hybrid Pt/TiO2/MWCNTs nanomaterials are prepared successfully by a combined sol-gel and polyol process. The as-prepared nanomaterials are characterized by X-ray diffraction, high resolution transmission electron microscopy, and thermogravimetry analysis. In addition, its catalytic performance by converting CO into CO2 is also evaluated. Experimental results show that the hybrid Pt/TiO2/MWCNTs nanomaterials exhibit a mixture of anatase TiO2 and Pt phases. Multi-wall carbon nanotubes serve as an excellent supporting material where anatase TiO2 nanoparticles are decorated with well-distributed Pt nanoparticles. Excellent catalytic performance can be revealed for the hybrid Pt/TiO2/MWCNTs nanomaterials. When compared with its Pt/TiO2 counterparts where ∼ 100% CO conversion occurred at 150 °C, almost 100% conversion of CO into CO2 can be observed at a temperature ranged from 30 °C to 100 °C.

Original languageEnglish
Pages (from-to)312-315
Number of pages4
JournalDiamond and Related Materials
Volume18
Issue number2-3
DOIs
Publication statusPublished - Feb 2009
Externally publishedYes

Keywords

  • Anatase
  • CO conversion
  • MWCNTs
  • Pt

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Electrical and Electronic Engineering
  • Mechanical Engineering
  • Physics and Astronomy(all)
  • Chemistry(all)

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