Thiazole-Containing Conjugated Polymer as a Visual and Fluorometric Sensor for Iodide and Mercury
作者： Sameer Hussain , Siddhartha De , Parameswar Krishnan Iyer
DOI: 10.1021/AM400123J
关键词:
摘要: A neutral conjugated polymer poly-p-phenylene (PPP) derivative, poly(1,4-bis-(8-(4-phenylthiazole-2-thiol)-octyloxy)-benzene) (PPT), was prepared using a simple and economical method of oxidative polymerization reaction. This newly synthesized PPT characterized by means Fourier transform infrared spectroscopy (FT-IR), 1H nuclear magnetic resonance (1H NMR), ultraviolet–visible (UV-Vis), fluorescence spectroscopy. displays “turn-off/turn-on” characteristics colorimetric responses to I– Hg2+. The UV-Vis spectra the showed significant shift in λmax via addition iodides mercury. colorless solution turns deep yellow presence iodide salts, which subsequently becomes again on Hg2+ salts that could be easily detected visually naked eye. Stern–Volmer constant (Ksv) value obtained for detection is 0.13 × 105 M–1, confirming very high sensitivity this iodid...
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