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论文题目: | Fluorescent Carbon Dots for Bioimaging and Biosensing Applications |
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刊物名称: | JOURNAL OF BIOMEDICAL NANOTECHNOLOGY |
年: | 2014 |
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期: | 10 |
页: | 2677 |
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影响因子: | 2.562 |
摘要: | A D-π-A-π-D carbazole derivative (PCQ) with a quinoxaline moiety was designed and synthesized. Its photophysical properties in solution were studied. Moreover, PCQ was found to be a highly efficient gelator toward various apolar and polar organic solvents with the critical gelation concentrations (CGCs) as low as 0.06 wt/vol%. Spectral studies and molecular dynamic stimulation revealed that the intermolecular H-bonds and p–p stacking interactions might be responsible for guiding the self assembly processes and the gel formation. Interestingly, PCQ could construct two-component gel with fullerene derivative driven by intermolecular hydrogen bonds. Moreover, the two-component gel film could generate photocurrent under light irradiation, indicating photo-induced electron transfer from the PCQ aggregate to the fullerene derivative. |
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