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Thermo-responsive poly(2-isopropyl-2-oxazoline) and tetraphenylethene hybrids for stimuli-responsive
Joo-Ho Kim1, Dajeong Yim1, Woo-Dong Jang1
1Department of Chemistry, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea. wdjang@yonsei.ac.kr.
Abstract:
Poly(2-isopropyl-2-oxazoline) (POx), a typical thermo-responsive polymer, was conjugated with a tetraphenylethene derivative, having aggregation induced emission behavior, towards the thermal control of their fluorescence emission. The poly(2-isopropyl-2-oxazoline)-tetraphenylethene hybrids selectively formed a host-guest complex with γ-cyclodextrin. The poly(2-isopropyl-2-oxazoline)-tetraphenylethene hybrids and its host-guest complex with γ-cyclodextrin showed opposite on-off switching of fluorescence emission upon temperature change.
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