Hongying Duan et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 60(7), 1447-1451 (2004-05-19)
In our experiments, it was observed that adding bromide to Pb2+ solution of N,N'-dimethylformamide (DMF), the highly emissive cluster Pb4Br11(3-) can be formed and the fluorescence intensity of the formed cluster is proportional to the concentration of Pb2+, based on