Abstract:Intense blue emissions were obtained by the interaction between protonated pyridine rings and the adjacent anion or adjacent PF6−. These compounds possess hydrogen bonds, which restrain the nonradiative decay to produce strong emission. By reacting of (L=terpy, tterpy and Clterpy) with a variety of acid (HF, HCl, HBr, H2SO4 and H3PO4) in water, triprotonated and diprotonated compounds [LH3]3+ and [LH2]2+were prepared. Abbreviations used are terpy=2,2’:6’,2’’‐terpyridine, tterpy=4’‐(4‐tolyl)‐2,2’:6’,2’’‐terpyri… Show more
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