期刊
JOURNAL OF MATERIALS CHEMISTRY C
卷 3, 期 26, 页码 6876-6881出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5tc00682a
关键词
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资金
- National Basic Research Program of China [2013CB733501]
- National Nature Science Foundation of China [91334203, 21376074, 21272069, 20672035]
- 111 Project of China [B08021]
- Fundamental Research Funds for the Central Universities
- FP7-PEOPLE-IRSES [PIRSES-GA-2013-612230]
- Key Laboratory of Organofluorine Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences
Most organic dyes dissipate their excitation energy in the aggregated state because of the aggregation-caused quenching'' effect, deteriorating their application in optoelectronic devices. To prevent the aggregation-caused quenching'' effect, we incorporate a dye-based fluorophore into a porous organic polymer skeleton because porosity would allow the spatial isolation of fluorophores to maintain their emission. Tuning the fraction of fluorophores in the skeleton of FL-SNW-DPPs could spread the emission color coverage from red to blue in both solid-state and suspension. More importantly, the combination of fluorescence and porosity of FL-SNW-DPPs would provide more space to transduce the molecular interaction between adsorbed analytes and fluorophores to the detectable changes in light emission, leading to the fluorescence-off or fluorescence-on detection of electron-deficient or electron-rich analytes.
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