کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1232288 1495271 2012 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Highly selective colorimetric sensing of Cu(II) ions in aqueous solution via modulation of intramolecular charge transfer transition of aminonaphthoquinone chemosensor
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
Highly selective colorimetric sensing of Cu(II) ions in aqueous solution via modulation of intramolecular charge transfer transition of aminonaphthoquinone chemosensor
چکیده انگلیسی

An aminonaphthoquinone based colorimetric chemosensor has been developed and demonstrated for the highly selective detection of Cu(II) ions in aqueous solution. The intramolecular charge transfer (ICT) transition exits in amine moiety directly attached to the quinone ring is modulated by the d–d transition of a square planar Cu(II)-receptor complex resulting in a change of color from yellow to blue. No significant color change was observed upon addition of other selected metal ions. The sensing property has been investigated using various spectral techniques (UV–Vis, fluorescence) and product analysis (Elemental analysis, magnetic moment, UV–Vis, FT-IR, EPR).

Highly selective colorimetric sensing of Cu(II) ions in aqueous solution via modulation of intramolecular charge transfer transition of aminonaphthoquinone chemosensor.Figure optionsDownload as PowerPoint slideHighlights
► The developed sensor selectively detects Cu(II) ions in aqueous medium.
► The chemosensor is novel with sensing unit directly attached to the signaling unit for easy signaling.
► The mechanism of the colorimetric sensing is based on various spectral techniques and product analysis.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy - Volume 97, November 2012, Pages 100–104
نویسندگان
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