Enhancement of fluorescence and lasing properties of covalent bridged fluorescent dye in organic-inorganic hybrid materials

Title
Enhancement of fluorescence and lasing properties of covalent bridged fluorescent dye in organic-inorganic hybrid materials
Author(s)
곽승연[곽승연]김나리[김나리]이강인[이강인]이종훈김재홍배병수[배병수]
Keywords
LASER-EMISSION; WAVE-GUIDE; PYRROMETHENE DYES; DOPED DENDRIMER; SOLID MATRICES; GEL MATERIALS; PHOTOSTABILITY; PERFORMANCE; FABRICATION; MOLECULES
Issue Date
201111
Publisher
SPRINGER
Citation
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, v.60, no.2, pp.137 - 143
Abstract
Fluorescent dye (DCM-OH) is covalently bridged to organic-inorganic hybrid material to prevent molecular stacking and to get high fluorescence efficiency and laser property. Novel DCM-OH is synthesized to have hydroxyl functional groups and is bridged to trialkoxysilane as a sol-gel precursor. It participates in sol-gel process to synthesize dye-bridged organic-inorganic hybrid material (dye-bridged hybrimer) and solid-state dye laser sample is ready through polymerization. Fluorescence property of dye-bridged hybrimer is compared with DCM-doped hybrimer that is simple mixture of DCM-OH and hybrimer matrix. The covalently bridged structure of hybrimer with DCM-OH prevented the stacking of fluorescent molecules and enhanced concentration stability. The dye-bridged hybrimer shows much higher fluorescence intensity and low color-shift until it reached high concentration in comparison with DCM-doped system. And the proper lasing property is observed in dye-bridged hybrimer samples.
URI
http://hdl.handle.net/YU.REPOSITORY/24289http://dx.doi.org/10.1007/s10971-011-2569-6
ISSN
0928-0707
Appears in Collections:
이과대학 > 물리학과 > Articles
공과대학 > 화학공학부 > Articles
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