Journal
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
Volume 33, Issue 34, Pages 25796-25804Publisher
SPRINGER
DOI: 10.1007/s10854-022-09271-w
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Funding
- Government Funded Projects [627010104]
- International Science and Technology Cooperation Project of Jilin Province Science, Technology Department [20200801038GH]
- Key Laboratory for Comprehensive Energy Saving of Cold Regions Architecture of Ministry of Education, Jilin Jianzhu University [JLZHKF022021001, JLZHKF022021004]
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This study demonstrates highly efficient near infrared to green up-conversion emission from Yb3+ sensitized NaY(WO4)(2):Sm3+ phosphors. The energy transfer mechanism between Yb3+ and Sm3+ ions was investigated, confirming the presence of effective energy transfer.
Highly efficient near infrared to green up-conversion emission of Yb3+ sensitized NaY(WO4)(2):Sm3+ phosphors show promising technological potential. Here, a series of concentration of Yb3+ sensitized NaY(WO4)(2):Sm3+ phosphors were synthesized by high-temperature solid-state reaction method. The strong green and weak red up-conversion emission were obtained from NaY(WO4)(2):0.5%Sm3+/8%Yb3+ with 980 nm excitation. The effective energy transfer from Yb3+ ions to Sm3+ ions enhanced up-conversion emission. The energy transfer mechanism of up-conversion process between Yb3+ ions and Sm3+ ions was investigated. The change of decay lifetime confirms existence of efficient energy transfer. This work highlights the fascinating potential of this novel green up-conversion emission system.
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