Fabricated temperature sensitive photocatalyst of PNIPAM@ZnO/C for controllable photocatalytic activity

Pengwei Huo, Jinze Li, Zhefei Ye, Huiqin Wang, Xinlin Liu, Xiuying Li, Yongsheng Yan

Research output: Contribution to journalArticlepeer-review

16 Scopus citations

Abstract

PNIPAM@ZnO/C composite photocatalyst was prepared by cross-linking polymerization technology with N-isopropylacrylamide used as functional monomer, N,N'-methylenebis (acrylamide) used as cross-linking agent, ammonium persulfate used as initiator, and 3-(trimethoxysilyl) propyl methacrylate used as surface modification reagent. The morphology, structure, electrochemical and photocatalytic properties of as-prepared samples were characterized via the serial tests. The temperature-response performances of PNIPAM@ZnO/C were evaluated by the photocatalytic degradation of tetracycline (TC) under different temperatures. The results show that the synthesized composite photocatalysts possess the excellent and switchable photocatalytic activity. The photocatalytic degradation activity of PNIPAM@ZnO/C is suppressed above the lower critical solution temperature (LCST), and it is enhanced below the LCST.

Original languageEnglish
Pages (from-to)2259-2262
Number of pages4
JournalChinese Chemical Letters
Volume28
Issue number12
DOIs
StatePublished - Dec 2017
Externally publishedYes

Keywords

  • Photocatalysis
  • PNIPAM
  • TC
  • Temperature-response
  • ZnO/C

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