Cobalt covalent doping in MoS 2 effectively regulates its electronic structure to decrease the hydrogen adsorption free energy for high HER and simultaneously contributes additional catalytic active sites for the OER.
A fluorescent chitosan hydrogel detection platform was developed by cross-linking chitosan fibers with glutaric dialdehyde (GD) fluorophores, exhibiting superior performance for the sensitive and selective determination of trace Hg2+ in water.