Study on the Difference of Photochromic and Thermochromic Mechanism of Ethylenediamine Trimolybdate

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  • Dehui Sun
    Key Lab of Rare Earth Chemistry and Physics, Chinese Academy of Sciences
  • Hongjie Zhang
    Key Lab of Rare Earth Chemistry and Physics, Chinese Academy of Sciences
  • Cheng Wang
    Key Lab of Rare Earth Chemistry and Physics, Chinese Academy of Sciences
  • Jilin Zhang
    Key Lab of Rare Earth Chemistry and Physics, Chinese Academy of Sciences
  • Jiangbo Yu
    Key Lab of Rare Earth Chemistry and Physics, Chinese Academy of Sciences
  • Chunyun Peng
    Key Lab of Rare Earth Chemistry and Physics, Chinese Academy of Sciences

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Abstract

<jats:title>Abstract</jats:title> <jats:p>Ethylenediamine trimolybdate ((C2H10N2)[Mo3O10], denoted as ENTMo) shows unusual photochromic and thermochromic properties. The color of the white ENTMo compounds becomes reddish brown gradually under UV irradiation, and changes gradually to blue-black upon annealing. XRD patterns and FT-IR spectra verify that the crystal structure of the colored samples is almost unchanged except distortion. UV–vis diffuse reflectance spectra (DRS) and ESR spectra of the photochromic and the thermochromic samples could confirm that there must exist difference between thermochromic and photochromic mechanism.</jats:p>

Journal

  • Chemistry Letters

    Chemistry Letters 35 (10), 1146-1147, 2006-09-09

    Oxford University Press (OUP)

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