科研之友
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摘要
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.
