Efficient Föster Resonance Energy Transfer between Semiconducting Polymer and Benzothiadiazole Derivatives
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The efficient föster resonance energy transfer (FRET) between a semiconducting polymer such as an iptycene polymer and benzothiadiazole derivatives was investigated. The iptycene polymer whose emission wavelength is 450 nm acts as an electron donor and the benzothiadiazole derivatives, which emits at 590 nm, act as electron acceptors. The photoluminescence properties of the iptycene polymer/benzothiadiazole - donor/acceptor were studied. FRET from the donor/acceptor was used to detect explosives. Detection efficiencies were measured through quenching PL measurements on FRET materials with explosives added. The detection mechanism was analyzed using Stern-Volmer plots.
KeywordsSensor TNT FRET Fluorescence
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