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Three different poly{9,9-bis[6′(–NHBoc, –NH 3+ and –NH 2 )hexyl]fluorene}s (PF-NHBoc, PF-NH 3+ and PF-NH 2 ) have been synthesized and characterized. Both UV–Vis and fluorescence spectroscopic results supported the interaction between the polyfluorenes and Methamphetamine Hydrochloride (MAPA) was derived from the different terminals of hexyl side chains. Among...
A composite from a broad bandgap polymer, poly(phenylene ethylene) (PPE), and nano-sized TiO 2 particles was found to be able to sense 2,4,6-trinitrotoluene (TNT) for TNT sensor. Fluorescence quenching induced by charge transfer from PPE to nano-sized TiO 2 was observed in toluene solution. At high TiO 2 composition, a strong exciplex band occurred at 550nm. Under prolonged...
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