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聚集态荧光增强的Λ-型异弗乐酮衍生物纳米粒子 被引量:1

Aggregation Induced Luminescence in the Λ-Shaped iso-Phoronederivative Nanoparticles
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摘要 A novel Λ-shaped compound DMCEM based on Trger′s base was designed,synthesized and its photophysical properties were examined in detail.DMCEM exhibited an aggregation-induced emission enhancement(AIEE) effect and emitted strong red fluorescence in solid states and faint fluorescence in the dilute solution.Nanocrystals of DMCEM ranging from 60 to 160 nm with well-defined spherical shape were prepared.The DMCEM naoparticles possess special size dependence on their optical properties.The red shift of the absorption and the blue shift of the emission with the increase in the particle size may be attributed to the increased rigidification of the crystal lattice and the associated decrease of vibrational relaxation. A novel Λ-shaped compound DMCEM based on Trger′s base was designed,synthesized and its photophysical properties were examined in detail.DMCEM exhibited an aggregation-induced emission enhancement(AIEE) effect and emitted strong red fluorescence in solid states and faint fluorescence in the dilute solution.Nanocrystals of DMCEM ranging from 60 to 160 nm with well-defined spherical shape were prepared.The DMCEM naoparticles possess special size dependence on their optical properties.The red shift of the absorption and the blue shift of the emission with the increase in the particle size may be attributed to the increased rigidification of the crystal lattice and the associated decrease of vibrational relaxation.
出处 《高等学校化学学报》 SCIE EI CAS CSCD 北大核心 2010年第5期855-857,共3页 Chemical Journal of Chinese Universities
基金 国家自然科学基金(批准号:50721002) 山东省自然科学基金(批准号:ZR2009FQ029) 山东大学自主创新基金(批准号:2009TS040)资助
关键词 Λ-型异弗乐酮衍生物 聚集态荧光增强效应 有机纳米粒子 Λ-Shaped iso-phoronederivative Aggregation-induced emission enhancement effect Organic-nanoparticle
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参考文献13

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