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YANAN ZHU1,* , BOHUI LU1, MINGQIAO GE1
Sr2MgSi2O7:Eu2+, Dy3+ / light conversion agent is a new luminous material that can emit red light in the darkness after being excited was fabricated by combining light conversion agent on to Sr2MgSi2O7:Eu2+, Dy3+ particles through YsiX3. In order to investigate the effect of acid treatment & alkali treatment on the luminous properties of Sr2MgSi2O7:Eu2+, Dy3+ / light conversion agent, several kinds of samples were fabricated. The morphology of the luminous materials was analyzed by scan electron microscopy (SEM), the excitation and emission behavior were evaluated by Fluorescence Spectrophotometric analysis, the afterglow property was tested through PR-305 afterglow brightness tester. Results showed that part of Sr2MgSi2O7:Eu2+, Dy3+ was destroyed and some of the light conversion agent drop down from the surface of Sr2MgSi2O7:Eu2+, Dy3+ in the process of being treated. The shape and the peak of excitation and emission spectra showed little change, but the intensity became weaker as the treatment time increased. The afterglow brightness and the afterglow time dropped down gradually.
Sr2MgSi2O7 :Eu2+, Dy3+, Light conversion agent, Spectra, Afterglow property.
YANAN ZHU, BOHUI LU, MINGQIAO GE, The effect of acid & alkali treatment on the luminous properties of red luminous material: Sr2MgSi2O7:Eu2+ , Dy3+/light conversion agent, Optoelectronics and Advanced Materials - Rapid Communications, 15, 3-4, March-April 2021, pp.169-175 (2021).
Submitted at: Sept. 14, 2017
Accepted at: April 7, 2021
Optoelectronics and Advanced Materials - Rapid Communications
(2023): 0.5 - 2023 Journal Citation Reports (Clarivate Analytics, 2024)
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