Rapid and sensitive detection of vanillylmandelic acid based on a luminescent fourteen-metal Tb(iii) planar nanocluster†
Abstract
A 14-metal Tb(III) nanocluster with four CO32− anions as templates was constructed for the quantitative and qualitative detection of vanillylmandelic acid (VMA) with high sensitivity and selectivity. The luminescence response time to VMA is less than ten seconds, and the limit of detection is as low as 0.32 nM in CH3CN.