科研之友
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摘要
A cationic phosphorescent iridium complex 1 was synthesized, which can selectively detect Cu2+ confirmed by the luminescence spectra titration. In the presence of Cu2+, the obvious decrease of the luminescence intensity at 600 nm was investigated. The complex has been shown to display high selectivity for Cu2+ over other metal ions. The strong selective coordination interaction with Cu2+ is responsible for the significant change of the luminescence spectra, which is further confirmed by ESI-MS.
