A novel near-infrared (NIR) downconversion (DC) phosphor KSrPO4 :Eu2+ , Pr3+ is synthesized by the conventional high temperature solid-state reaction. The Eu2+ acts as an efficient sensitizer for Pr3+ in the KSrPO4 host. With broad-band near-ultraviolet light excitation induced by the 4f→5d transition of Eu2+ , the characteristic NIR emission of Pr3+ , peaking at 974 nm and 1019 nm due to 3P0 → 1G4 and 1G4 → 3H4 transitions, is generated as a result of the energy transfer from Eu2+ to Pr3+ . The luminescenc...
【英文摘要】
A novel near-infrared (NIR) downconversion (DC) phosphor KSrPO4 :Eu2+ , Pr3+ is synthesized by the conventional high temperature solid-state reaction. The Eu2+ acts as an efficient sensitizer for Pr3+ in the KSrPO4 host. With broad-band near-ultraviolet light excitation induced by the 4f→5d transition of Eu2+ , the characteristic NIR emission of Pr3+ , peaking at 974 nm and 1019 nm due to 3P0 → 1G4 and 1G4 → 3H4 transitions, is generated as a result of the energy transfer from Eu2+ to Pr3+ . The luminescenc...
【基金】
Project supported by the National Natural Science Foundation of China (Grant No. 20976002);
the Beijing Natural Science Foundation, China (Grant No. 2122012);
the Special Funding of the Ministry of Education of Guangdong Province, China (Grant No. 2011B090400100)
【更新日期】
2013-05-27
【分类号】
O482.31
【正文快照】
1. Introduction Recently, photovoltaic (PV) generation has attracted much attention because it is a sustainable way to generate electricity. [1] Solar photovoltaic power generation is the core component. [2] Most PV solar cells are made from crystalline s
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