Selective turn-off phosphorescent and colorimetric detection of mercury(II) in water by half-lantern platinum(II) complexes

Dalton Transactions : an International Journal of Inorganic Chemistry
Violeta SiciliaJosé M Casas

Abstract

The platinum(ii) half-lantern dinuclear complexes [{Pt(bzq)(μ-C7H4NS2-κN,S)}2] () and [{Pt(bzq)(μ-C7H4NOS-κN,S)}2] () [bzq = benzo[h]quinolinate, C7H4NS2 = 2-mercaptobenzothiazolate, C7H4NOS = 2-mercaptobenzoxazolate] in solution of DMSO-H2O undergo a dramatic color change from yellowish-orange to purple and turn-off phosphorescence in the presence of a small amount of Hg(2+), being discernible by the naked-eye and by spectroscopic methods. Other metal ions as Ag(+), Li(+), Na(+), K(+), Ca(2+), Mg(2+), Ba(2+), Pb(2+), Cd(2+), Zn(2+) and Tl(+) were tested and, even in a big excess, showed no interference in the selective detection of Hg(2+) in water. Job's plot analysis indicated a 1 : 1 stoichiometry in the complexation mode of Hg(2+) by /. The phosphorescence quenching attributed to the formation of [/ : Hg(2+)] complexes showed binding constants of K = 1.13 × 10(5) M(-1) () and K = 1.99 × 10(4) M(-1) (). The limit of detection has been also evaluated. In addition, dried paper test strips impregnated in DMSO solutions of and can detect concentration of Hg(2+) in water as low as 1 × 10(-5) M for and 5 × 10(-5) M for , making these complexes good candidates to be used as real-time Hg(2+) detectors. The nature of the interaction ...Continue Reading

References

Sep 2, 2004·Angewandte Chemie·Pekka Pyykkö
Apr 25, 2008·Journal of the American Chemical Society·Mieock KimFrançois P Gabbaï
Jul 17, 2008·Dalton Transactions : an International Journal of Inorganic Chemistry·Qiang ZhaoChunhui Huang
Jul 26, 2008·Chemical Reviews·Elizabeth M Nolan, Stephen J Lippard
Apr 7, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Linda H Doerrer
May 19, 2010·Chemical Society Reviews·Qiang ZhaoChunhui Huang
Dec 15, 2010·Dalton Transactions : an International Journal of Inorganic Chemistry·Xiao-Qing ZhaoPeng Cheng
Jun 29, 2011·Chemistry : a European Journal·Yasuhiro ShiraishiTakayuki Hirai
Dec 21, 2011·Chemical Society Reviews·Ha Na KimJuyoung Yoon
Jun 19, 2012·Chemical Reviews·Yuming YangFuyou Li

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Citations

Jan 15, 2016·Dalton Transactions : an International Journal of Inorganic Chemistry·Dong-Feng ChaiGuang-Gang Gao
Apr 11, 2018·Dalton Transactions : an International Journal of Inorganic Chemistry·Zhe WangJinlou Gu
Nov 10, 2017·Dalton Transactions : an International Journal of Inorganic Chemistry·Mahboubeh JamshidiS Masoud Nabavizadeh
Apr 3, 2020·Chemistry : a European Journal·Eugenе A KatlenokVadim Yurievich Kukushkin
Apr 1, 2020·Journal of the American Chemical Society·Xiugang WuPi-Tai Chou

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