Luminescent Ag+ exchanged SOD zeolites with their potential applications in white LEDs.
作者： Decui Yao , Yige Wang , Peng Li , Huanrong Li
DOI: 10.1039/D0DT01425G
关键词: Analytical chemistry 、 Phosphor 、 Color temperature 、 Light-emitting diode 、 Luminescence 、 Microporous material 、 Color rendering index 、 Chromaticity 、 Excitation 、 Materials science
摘要: Ag+ exchanged zeolites (Ag-zeolites) combining the advantages of high stability microporous with unique optical properties silver clusters are attractive as promising functional materials. In this work, we systematically studied SOD zeolites, obtaining tuned emission from yellow to blue and for first time acquired white-emitting Ag-zeolite phosphors at a mild temperature (<300 °C). This tunable color was found be caused by lattice shrinkage expansion framework in zeolites. The obtained white emitting show Commission Internationale de I'Eclairage (CIE) chromaticity coordinates (0.33, 0.34) under 395 nm excitation. addition, fabricated warm LEDs these phosphors, which CIE (0.37, 0.34), lower correlated (CCT) 4329 K higher rendering index (CRI) 91.
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