Abstract
A cyclometalated iridium(III) complex Ir(dpci) 2 (cbd) ( Ir1 , dpciH = 3, 4-diphenylcinnoline, cbd = N-carbazolylcarbodithioate) has been prepared and confirmed by 1 H NMR, 13 C NMR, MS, and crystal data. Ir1 could be used as a phosphorescent chemosensor for Hg 2 + and acetonitrile (ACN). Upon addition of aqueous Hg 2 + , the ACN solution of Ir1 gave a visual color change and significant phosphorescent enhancing (130-fold) at 580 nm (OFF–ON). Ir1 has been developed as an AND logic gate with Hg 2 + and ACN as inputs. The dissociation of Ir1 and coordination with ACN are response for the sensor process. A cyclometalated iridium(III) complex Ir(dpci)2(cbd) ( Ir1 ) has been prepared and confirmed. Ir1 could be used as a phosphorescent chemosensor for Hg 2 + and acetonitrile (ACN). Upon addition of aqueous Hg 2 + , the ACN solution of Ir1 gave a visual color change and significant phosphorescent enhancing (130-fold) at 580 nm (OFF–ON). Ir1 has been developed as an AND logic gate with Hg 2 + and ACN as inputs. • This complex could be used as a phosphorescent “turn-on” chemosensor for Hg 2+ . • The detection limit is down to 10 -7 M range. • An AND logic gate has been developed with Hg 2+ and acetonitrile as inputs.
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