Journal
JOURNAL OF MATERIALS CHEMISTRY C
Volume 2, Issue 31, Pages 6326-6332Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4tc00788c
Keywords
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Funding
- National Basic Research Program of China (973 Program) [2013CB834701]
- Research Grants Council of Hong Kong [HKUST2/CRF/10, N_HKUST620/11]
- University Grants Committee of HK [AoE/P-03/08]
- Guangdong Innovative Research Team Program [201101C0105067115]
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The self-assembly of fluorescent molecules is of general interest due to the potential fabrication of nanostructured materials. The fabrication of fluorescent nanowires remains challenging because the inherent aggregation in the self-assembly process quenches the fluorescence of the molecules in many cases. In this work, new aggregation-induced emission-active tetraphenylethene derivatives were used to fabricate fluorescent nanowires facilely by self-assembly processes. Moreover, the fluorescent nanowires can further self-assemble to form macroscopic fluorescent thin films in the solution. The detailed self-assembly processes from nanospheres to nanowires, and further to fluorescent macroscopic thin films were elucidated and evidenced by SEM imaging. A phenomenon of photoinduced emission enhancement was observed, owing to the photo-induced ring-closing oxidative reaction of the tetraphenylethene core.
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