Open AccessA Metallosupramolecular Coordination Polymer for the ‘Turn‐on’ Fluorescence Detection of Hydrogen Sulfide
Author(s) -
Hatai Joydev,
Hirschhäuser Christoph,
Schmuck Carsten,
Niemeyer Jochen
Publication year - 2020
Publication title -
chemistryopen
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.644
H-Index - 29
ISSN - 2191-1363
DOI - 10.1002/open.202000163
Subject(s) - hydrogen sulfide , fluorescence , chemistry , aqueous solution , quenching (fluorescence) , sulfide , derivative (finance) , photochemistry , aqueous medium , polymer , tap water , combinatorial chemistry , nanotechnology , organic chemistry , materials science , sulfur , physics , quantum mechanics , environmental engineering , financial economics , engineering , economics
A coumarin based probe for the efficient detection of hydrogen sulfide in aqueous medium is reported. The investigated coumarine‐based derivative forms spherical nanoparticles in aqueous media. In presence of Pd 2+ , a metallosupramolecular coordination polymer is formed, which is accompanied by quenching of the coumarin emission at 390 nm. Its Pd 2+ complex could be used as a probe for chemoselective detection of monohydrogensulfide (HS − ). Presence of HS − leads to a'turn‐on' fluorescence signal, resulting from decomplexation of Pd 2+ from the metallosupramolecular probe. The probe was successfully applied for qualitative and quantitative detection of HS − in different sources of water directly collected from sea, river, tap and laboratory drain water, as well as in growth media for aquatic species.