A novel supramolecular metallogel-based high-resolution anion sensor array

A novel anion sensor array based on supramolecular metallogels has been developed. It could accurately identify CN-, SCN-, S2- and I- in water. Interestingly, this sensor array is based on a novel design approach termed competitive coordination control AIE mode'' to develop anion-responsive gels which need only one synthesized gelator G1.