作者
Vijay Kumar, Pramod Kumar, Sushil Kumar, Divya Singhal, Rajeev Gupta
发表日期
2019/7/25
期刊
Inorganic chemistry
卷号
58
期号
15
页码范围
10364-10376
出版商
American Chemical Society
简介
Rationally designed multiple hydroxyl-group-based chemosensors L1–L4 containing arene-based fluorophores are presented for the selective detection of Al3+ and Ga3+ ions. Changes in the absorption and emission spectra of L1–L4 in ethanol were easily observable upon the addition of Al3+ and Ga3+ ions. Competitive binding studies, detection limits, and binding constants illustrate significant sensing abilities of these chemosensors with L4, showing the best results. The interaction of Al3+/Ga3+ ions with chemosensor L4 was investigated by fluorescence lifetime measurements, whereas Job’s plot, high-resolution mass spectrometry, and 1H NMR spectral titrations substantiated the stoichiometry between L4 and Al3+/Ga3+ ions. The solution-generated [L-M3+] species further detected pyrophosphate ion (PPi) by exhibiting emission enhancement and a visible color change. The binding of Al3+/Ga3+ ions with …
学术搜索中的文章
V Kumar, P Kumar, S Kumar, D Singhal, R Gupta - Inorganic chemistry, 2019