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Ultrasensitive and highly selective detection of Cu2+ ions based on a new carbazole-Schiff
Jun Yin1, Qijing Bing1, Lin Wang1
1Faculty of Chemistry, Northeast Normal University, Changchun 130024, PR China.
Abstract:
A new chemosensor for Cu2+ based on Schiff base with high sensitivity and selectivity was designed and synthesized. The fluorescence intensity of the chemosensor in CH3CN solution was enhanced 160-fold after the addition of 10 equiv. Cu2+ over other metal ions. In addition, it also facilitates colorimetric detection for Cu2+ in CH3CN solution. The chemosensor displayed low detection limit and fast response time to Cu2+.
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