Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 19, Issue 18, Pages 5617-5624Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201203840
Keywords
aggregation; cycloaddition; fluorescence; luminescence; steric hindrance
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Funding
- National Basic Research Program of China (973 Program) [2013CB834701]
- RPC Grant of HKUST
- SRFI Grant of HKUST [RPC11SC09, SRFI11SC03PG]
- Research Grants Council of Hong Kong [HKUST2/CRF/10, N_HKUST620/11]
- Innovation and Technology Commission [ITCPD/17-9]
- University Grants Committee of HK [AoE/P-03/08]
- Guangdong Innovative Research Team Program [201101C0105067115]
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A series of nonplanar tetraphenylethene (TPE)hexaphenylbenzene (HPB) adducts was designed and synthesized by DielsAlder reaction of the acetylene precursors and tetraphenylcyclopentadienone. All of the adducts showed aggregation-induced emission features. The twisting amplitude and steric hindrance of the TPE and HPB units were found to play a crucial role in their fluorescence behaviors in the aggregated state.
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