Jump to main content
Jump to site search

Issue 45, 2020
Previous Article Next Article

Fluorescence studies and photocatalytic application for hydrogen production of ZnII and CdII complexes with isophthaloylbis(thioureas)

Author affiliations

Abstract

This work is related to ZnII and CdII complexes with isophthaloylbis(thioureas), describing the synthesis, characterization and fluorescence properties. In this work, the crystal structure of isophthaloylbis(N,N-diphenylthiourea) is described as a dimethyl sulfoxide solvated molecule. Complexes [Zn2(LEt)2] (1), [Cd2(LEt)2] (2), [Zn(HLPh)2(H2O)] (3) and [Cd2(LPh)2] (4) were characterized by infrared spectroscopy, mass spectrometry and elemental analysis. Complex 3 was also studied by NMR and Raman spectroscopies and by single crystal X-ray diffraction. It represents the first example of a complex with isophthaloylbis(thiourea) for further metal coordination, possibility given by the remaining O,S donor sets. Structural characterization was also performed for dimethyl sulfoxide adducts of complexes 1, 2 and 4, confirming the binuclear compositions through the O,S chelate coordination of both thioureate arms to the metal centers. Fluorescence studies were performed for the ligands and complexes 1–4 in which the width and intensity of the emission band of complexes 3 and 4 are greater than those presented by the ligands and complexes 1 and 2. TiO2-based composites were prepared with compounds 1–4, which have produced higher amounts of hydrogen than pure TiO2 by water splitting in experiments using a 300 W Hg/Xe lamp.

Graphical abstract: Fluorescence studies and photocatalytic application for hydrogen production of ZnII and CdII complexes with isophthaloylbis(thioureas)

Back to tab navigation

Supplementary files

Article information


Submitted
27 Jul 2020
Accepted
15 Oct 2020
First published
22 Oct 2020

New J. Chem., 2020,44, 19598-19611
Article type
Paper

Fluorescence studies and photocatalytic application for hydrogen production of ZnII and CdII complexes with isophthaloylbis(thioureas)

V. D. Schwade, E. I. Teixeira, F. A. dos Santos, T. Bortolotto, B. Tirloni and U. Abram, New J. Chem., 2020, 44, 19598
DOI: 10.1039/D0NJ03778H

Social activity

Search articles by author

Spotlight

Advertisements