Sol-gel derived dye-bridged hybrid materials for white luminescence

Title
Sol-gel derived dye-bridged hybrid materials for white luminescence
Author(s)
곽승연[곽승연]양승철[양승철]김나리[김나리]김재홍배병수[배병수]
Keywords
LIGHT-EMITTING-DIODES; PHOSPHOR
Issue Date
201301
Publisher
SPRINGER
Citation
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, v.65, no.1, pp.46 - 51
Abstract
Novel yellow and blue emissive dyes have been synthesized using 2,5-diamino-3,6-dicyanopyrazine and various alkoxysilanes and they are covalently bridged to cycloaliphatic epoxy functional oligosiloxane via non-hydrolytic sol-gel reaction. Dye-bridged hybrid materials (DBH) are fabricated by thermal curing the dye-bridged oligosiloxane. Structure and formation of dyes and siloxane network is studied using analysis method. Four components of red, yellow, green and blue emitting DBH cover entire visible range and white luminescence with high color rendering index is realized by controlling their combinations. We have ensured superior thermal stability DBH at 120 A degrees C for 200 h caused by covalently bridged structure and robust siloxane matrix.
URI
http://hdl.handle.net/YU.REPOSITORY/26716http://dx.doi.org/10.1007/s10971-012-2676-z
ISSN
0928-0707
Appears in Collections:
공과대학 > 화학공학부 > Articles
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