Direct sensing of fluoride in aqueous solutions using a boronic acid based sensor

作者:Wu Xin; Chen Xuan Xuan; Song Bing Nan; Huang Yan Jun; Ouyang Wen Juan; Li Zhao; James Tony D; Jiang Yun Bao*
来源:Chemical communications, 2014, 50(90): 13987-13989.
DOI:10.1039/c4cc04542d

摘要

Binding of the fluoride ion triggers aggregation of a pyreneboronic acid-catechol ensemble in acidic aqueous solutions, giving rise to intense excimer emission, allowing for sensitive fluoride ion sensing at ppm levels, with an apparent fluoride binding constant higher than 10(3) M-1 which is unprecedented for boronic acid sensors in water.