Remarkable increase in electrochemiluminescence of isomeric bipyridine-based covalent organic frameworks via regulating the direction of imine linkage for sensing application. - Cao, Xueting; Song, Linlin; Yang, Yuncong; Chu, Wenqi; Zou, Xiaoran; Sun, Bing; Yin, Huanshun; Cui, Lin (Journal of Colloid & Interface Science, 2025)