Photocatalytic hydrogen production and photodegradation of organic dyes of hydrogenated TiO 2 nanofibers decorated metal nanoparticles

Ming Chung Wu*, Wei Kang Huang, Ting-Han Lin, Yu-Jen Lu

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

32 Scopus citations

Abstract

A series of metal decorated hydrogenated TiO 2 nanofibers (metal-H:TiO 2 NFs) are synthesized successfully in this study. It is synthesized by the hydrothermal approach and combined with wet impregnation method in thermal hydrogen reduction. Nine types of metal nanoparticles, Ag, Co, Cr, Cu, Fe, Ni, Pd, Pt and Y, were used to decorate on the surface of H:TiO 2 to enhance the photocatalytic activity. The photocatalytic performance of various metal-H:TiO 2 NFs was estimated by the photodegradation of organic dyes. Ag-H:TiO 2 NFs gives the fastest decoloration rate of brilliant green among others. Moreover, the evolution rate of H 2 over Pd-H:TiO 2 NFs under UV-A and UV-B illumination is 17,000 μmol/g·h and 25,600 μmol/g·h, respectively, which corresponding to photoefficiency values of ∼7.54% and ∼11.35%. The metal-H:TiO 2 NFs developed in this study can be a facile and environmentally friendly way for searching the high-performance photocatalysts in the field of environmental and energy issue.

Original languageEnglish
Pages (from-to)34-43
Number of pages10
JournalApplied Surface Science
Volume469
DOIs
StatePublished - 01 03 2019

Bibliographical note

Publisher Copyright:
© 2018 Elsevier B.V.

Keywords

  • Hydrogenated TiO
  • Metal decorated TiO
  • Photocatalytic hydrogen production
  • Photodegradation

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