引用本文:
Xiao Lin SUN, Gut Lan ZHANG, Guo Qing TANG, Wen Ju CHEN, Guang Yan HONG, Hong Peng YOU. Photochromism in CaS:Sm[J]. Chinese Chemical Letters,
1999, 10(2): 185-186.
Citation: Xiao Lin SUN, Gut Lan ZHANG, Guo Qing TANG, Wen Ju CHEN, Guang Yan HONG, Hong Peng YOU. Photochromism in CaS:Sm[J]. Chinese Chemical Letters, 1999, 10(2): 185-186.
Citation: Xiao Lin SUN, Gut Lan ZHANG, Guo Qing TANG, Wen Ju CHEN, Guang Yan HONG, Hong Peng YOU. Photochromism in CaS:Sm[J]. Chinese Chemical Letters, 1999, 10(2): 185-186.
Photochromism in CaS:Sm
摘要:
The photochromism in CaS:Sm (from white to pink) was observed for the first time by exposing it to ultraviolet light. The experiments results show that the absorption intensity of Sm2+ in the range of 500~600nm was strongly increased after irradiation. valence changing of Sm. If the sample was excited by visible light This reveals that there is the again, the pink color turned to white, indicating that CaS:Sm has potential application in the field of storage material.
English
Photochromism in CaS:Sm
Abstract:
The photochromism in CaS:Sm (from white to pink) was observed for the first time by exposing it to ultraviolet light. The experiments results show that the absorption intensity of Sm2+ in the range of 500~600nm was strongly increased after irradiation. valence changing of Sm. If the sample was excited by visible light This reveals that there is the again, the pink color turned to white, indicating that CaS:Sm has potential application in the field of storage material.
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