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Electrochromic multilayer films based on trilacunary Dawson-type polyoxometalate

  • Guanggang Gao
  • , Lin Xu*
  • , Wenju Wang
  • , Zhenqing Wang
  • , Yunfeng Qiu
  • , Enbo Wang
  • *Corresponding author for this work
  • Northeast Normal University

Research output: Contribution to journalArticlepeer-review

Abstract

A new ultrathin multilayer film consisting of polyoxometalate (POM) cluster Na12[P2W15O 56]·18H2O (P2W15) and polyallylamine hydrochloride (PAH) were fabricated on quartz and ITO substrates by layer-by-layer self-assembly method. The multilayer films, PSS/PAH/(P 2W15/PAH)n, were characterized by UV-vis spectra, cyclic voltammetry (CV) and chronoamperometric (CA) measurements. The electrochromic film exhibits both suitable response time and low power consumption due to the presence of lacunary polyoxometalate, providing valuable information for exploring the potential application of polyoxometalate-based electrochromic materials.

Original languageEnglish
Pages (from-to)1101-1106
Number of pages6
JournalElectrochimica Acta
Volume50
Issue number5
DOIs
StatePublished - 15 Jan 2005
Externally publishedYes

Keywords

  • Electrochromism
  • Film
  • Lacunary polyoxometalate
  • Multilayer
  • Stability

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