Effect of B substitution on thermal changes of UV-Vis and Raman spectra and color of Al2W3O12 powder

Yanase Ikuo; Ootomo Ryosuke; Kobayashi Hidehiko

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Effect of B substitution on thermal changes of UV-Vis and Raman spectra and color of Al2W3O12 powder

机译：Effect of B substitution on thermal changes of UV-Vis and Raman spectra and color of Al2W3O12 powder

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We investigated the influence of B substitution for Al2W3O12 on thermal changes of UV-Vis and Raman spectra, and colors. First, B-substituted Al2W3O12 powder was synthesized by a solid-state reaction method. Single-phase Al2-xBxW3O12 powders with x = 0, 0.10 and 0.20 were successively prepared. B substitution promoted thermal changes of the UV-Vis spectra, resulting in a more pronounced color change of Al2W3O12 in the range of 30-150 A degrees C. Raman spectra of the Al2-xBxW3O12 powders with x = 0 and 0.20 indicated that the lattice vibrations of Al2-xBxW3O12 with x = 0.20 were larger than those of Al2W3O12. The thermal change of the color phase (Delta E) in the range 30-150 A degrees C of Al2W3O12 was increased by B substitution. The color of the B-substituted Al2W3O12 powders changed reversibly from pale white at 30 A degrees C to light yellowish green at 150 A degrees C.

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来源
《Journal of thermal analysis and calorimetry》 |2018年第1期|1-6|共6页
作者
Yanase Ikuo; Ootomo Ryosuke; Kobayashi Hidehiko;
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作者单位

Saitama Univ, Dept Appl Chem, Fac Engn, Sakura Ku, 255 Shimoohkubo, Saitama, Saitama 3388570, Japan;

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正文语种英语
中图分类物理化学（理论化学）、化学物理学;
关键词
Aluminum tungstate; Thermochromic; UV-visible spectroscopy; Raman spectroscopy;

Effect of B substitution on thermal changes of UV-Vis and Raman spectra and color of Al2W3O12 powder

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