Bis(naphthol)-based fluorescent chemoprobe for cesium cation and its immobilisation on silica nanoparticle as a high selective adsorbent
作者： Jeong Su Park , Yeonweon Choi , Junho Ahn , Moo Lyong Seo , Jong Hwa Jung
DOI: 10.1080/10610278.2016.1269904
关键词: Aqueous solution 、 Qualitative inorganic analysis 、 Adsorption 、 Chemistry 、 Quenching (fluorescence) 、 Inorganic chemistry 、 Metal ions in aqueous solution 、 Absorption (chemistry) 、 Nuclear chemistry 、 Caesium 、 Fluorescence spectroscopy
摘要: AbstractA bis(naphthol)-based cation receptor 1 has been synthesised by three steps of synthetic procedure. The spectroscopic properties upon addition various metal ions were investigated UV–vis absorption and fluorescence spectroscopy. As a result, the was linearly decreased as function concentration added Cs+. Also, exhibited dramatic quenching effect exposure to caesium cation. Contrastively, no significant observed other such Na+, K+, Rb+, Mg2+, Ca2+, Sr2+, Ba2+, Ni2+ Zn2+. It found that formed 1:1 complex with Cs+ Job’s plot. Furthermore, we also prepared 1-functionalised silica nanoparticle (SiO2-1) an adsorbent for SiO2-1 showed great capacity selective removal ion from aqueous solution well tap water. Thus, it is potentially useful detection environmental biological fluids polluted nuclear rad...
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