期刊
VACUUM
卷 199, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.vacuum.2022.110927
关键词
Er3+-> Dy3+ energy transfer; Dy (3+) energy transfer; Fluoroborosilicate glass; Co-doping; Photoluminescence; CIE colorimetry
资金
- UGC India
- DST through SAP-DRS [F.530/12/DRS/2009]
- DST PURSE P II [SR 417, SR 416]
- Mahatma Gandhi University, Kottayam, Kerala, India
In this study, the authors systematically investigated the impact of Er3+-> Dy3+ energy transfer on the luminescent characteristics of fluoroborosilicate glasses co-activated with Er3+ and Dy3+. The results showed that the energy transfer could enhance the emission of Dy3+, leading to improved luminescent performance. The evaluated colorimetry analysis recommended the prepared material for photonic applications.
In this work, authors systematically investigates the role of Er3+-> Dy3+ energy transfer (ET) on the luminescent characteristics of UV-excited Er3+/Dy3+ co-activated fluoroborosilicate glasses via spectral overlying diagram, photoluminescence excitation, emission and decay analyses, temperature dependent luminescence and quantum efficiency measurements. The concentration dependent quenching of Er3+ luminescence intensity with respect to the enhancement in Dy3+ emission bands envisages the ET from Erbium to Dysprosium under 379 nm excitation and is further affirmed through the increased ET efficiency (49.6%) estimated from the lifetime values. Evaluated CIE colorimetry analyses recommend the as-prepared material for photonic applications.
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