Abstract:
Copper (II) ion chemical sensors based on pyridine-thiourea derivatives; N-pyridyl-N’-(biphenyl-4-carbonyl)thiourea (L1), and
N-pyridyl-N’-(3,5-dimethyoxybenzoyl)thiourea (L2) were synthesised, characterised, and studied as ionophores in the form of
thin-films PVC membranes.