Unusual fluorescence enhancement of a novel carbazolyldiacetylene bound to gold nanoparticles |
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| Authors: | Li Cuihong Liu Xiaofeng Yuan Mingjian Li Junbo Guo Yanbing Xu Jialiang Zhu Mei Lv Jing Liu Huibiao Li Yuliang |
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| Affiliation: | Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Organic Solids, Center for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100080, PR China. |
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| Abstract: | A novel carbazolyldiacetylene derivative of 5-[1,2]dithiolan-3-ylpentanoic acid 1,6-bis((N-carbazol-3-yl)methyl)-2,4-hexadiyne ester (DCHD-HS) was synthesized. DCHD-HS showed unusual fluorescence enhancement when it was bound to gold nanoparticles. The studies also showed that varied solvents and ratios of ligand/gold particles that served as the driving forces to control aggregation resulted in emission enhancement. A rational explanation for this phenomenon was discussed and elucidated. |
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