Heteroleptic copper(I) complexes bearing functionalized 1H-pyrazole-bipyridine ligands: synthesis, photophysical properties, crystal structures, and applications in halogen sensing. - Tong, Jin; Zhao, Li-Rong; Zhang, Jin; Wang, Xia-Yan; Yu, Yan-Min; Yu, Shu-Yan (New Journal of Chemistry, 2023)