Preparation of a Novel Red Long Lasting Phosphorescent Material CaAl2Si2O8:Mn2+ and Investigation of its Luminescent Properties

Bi Sang Chen; Zi Shan Zheng; Yan Mei Lin; Guo Liang Chen; Liang Zhou; Hong Xu Guo; Ling Feng Huang

doi:10.4028/www.scientific.net/AMM.71-78.3151

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Preparation of a Novel Red Long Lasting Phosphorescent Material CaAl₂Si₂O₈:Mn²⁺ and Investigation of its Luminescent Properties
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 71-78Preparation of a Novel Red Long Lasting...

Preparation of a Novel Red Long Lasting Phosphorescent Material CaAl₂Si₂O₈:Mn²⁺ and Investigation of its Luminescent Properties

Abstract:

A novel red long-lasting phosphor CaAl₂Si₂O₈:Mn²⁺ was successfully synthesized by sol-gel method. X-ray diffractometer(XRD) and fluorescence spectrometer were used to characterize the structure and photoluminescence of the persistent phosphors, respectively. Under UV light irradiation, this phosphor showed obvious long-lasting phosphorescence that can be clearly seen with naked eyes in a dark room for 18 min after the irradiation source has been removed. Thermoluminescence measurement showed that the phosphor has an appropriate energy depth of 0.43 ev.

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Periodical:

Applied Mechanics and Materials (Volumes 71-78)

Pages:

3151-3155

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.71-78.3151

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Online since:

July 2011

Authors:

Bi Sang Chen, Zi Shan Zheng, Yan Mei Lin, Guo Liang Chen, Liang Zhou, Hong Xu Guo, Ling Feng Huang

Keywords:

Caal2si2o8, Phosphor, Red Long Afterglow

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