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Enhanced photocatalysis of yittium-doped TiO2/D-PVA composites: Degradation of methyl orange (MO) and PVC film

  • Tairong Kuang
  • , Dajiong Fu
  • , Lingqian Chang
  • , Zhaogang Yang
  • , Jintao Yang
  • , Ping Fan
  • , Mingqiang Zhong
  • , Feng Chen*
  • , Xiangfang Peng
  • *Corresponding author for this work
  • South China University of Technology
  • Ohio State University
  • Zhejiang University of Technology

Research output: Contribution to journalArticlepeer-review

Abstract

A novel triple-component TiO2/D-PVA/Y3+ photocatalyst have been synthesized in one portion of polyvinylalcohol (PVA), Ti(OH)4 and Y(NO3)3 · 6H2O(Y3+) by means of hydrothermal method to improve the photocatalytic activity of TiO2 under UV-vis light. The relationship between effect of preparation conditions and visible light (VL) photocatalytic activity was investigated. The as-prepared triple photocatalyst (TiO2/D-PVA/Y3+) was characterized by using X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FT-IR), UV-vis diffuse reflectance spectroscopy (DRS) and X-ray photoelectron spectroscopy (XPS). The results shows that the TiO2/D-PVA/Y3+ possess higher photocatalytic activity than pure TiO2 and TiO2/D-PVA for the methyl orange (MO) degradation under UV-vis light irradiation. With the 1:1.008 feed ratio of Y3+ to TiO2, the TiO2/D-PVA/Y3+ exhibited a significant VL activity. The TiO2/D-PVA/Y3+-PVC films degradation under UV-vis light was also studied.

Original languageEnglish
Pages (from-to)1286-1292
Number of pages7
JournalScience of Advanced Materials
Volume8
Issue number6
DOIs
StatePublished - 2016
Externally publishedYes

Keywords

  • Hydrothermal method
  • Methyl orange
  • PVC film degradation
  • TiO/D-PVA/Y
  • UV-vis light irradiation

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