Microwave hydrothermal synthesis of Ag 2CrO 4 photocatalyst for fast degradation of PCP-Na under visible light irradiation

Yu Liu, Hongbing Yu, Mei Cai, Jingwen Sun

Research output: Contribution to journalArticlepeer-review

64 Scopus citations

Abstract

Visible-light-active Ag 2CrO 4 photocatalysts were first synthesized by a microwave hydrothermal (MH) method, which is highly efficient (180°C for only 1 h). The products were characterized by XRD, SEM, Zeta potential and UV-vis diffuse reflectance spectroscopy. The photocatalytic activity of Ag 2CrO 4 was evaluated by the degradation of PCP-Na aqueous solution under visible light irradiation. The reduction of total organic carbon (TOC) (about 98.2% after 5 h of irradiation) showed that the mineralization of PCP-Na over Ag 2CrO 4 photocatalysts was realized. Additionally, the possible photocatalytic mechanism of the Ag 2CrO 4 was proposed to elucidate its superior photocatalytic activity. Crown

Original languageEnglish
Pages (from-to)63-67
Number of pages5
JournalCatalysis Communications
Volume26
DOIs
StatePublished - 5 Sep 2012
Externally publishedYes

Keywords

  • Ag CrO
  • Microwave-hydrothermal
  • Photocatalysis
  • Sodium pentachlorophenate (PCP-Na)
  • Visible light

ASJC Scopus subject areas

  • Catalysis
  • General Chemistry
  • Process Chemistry and Technology

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