title: Covalent organic frameworks as pH responsive signaling scaffolds.
abstract: A β-ketoenamine based covalent organic framework, COF-JLU4, was synthesized by condensation of 2,5-dimethoxyterephthalohydrazide with triformylphloroglucinol under solvothermal conditions. This COF has strong crystallinity, good porosity, photoluminescence properties and wettability for water. It can serve as the first COF-based fluorescent pH sensor in aqueous solutions.
authors.affiliation: State Key Laboratory for Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun, 130012, P. R. China. xm_liu@jlu.edu.cn.
authors.forename: Yuwei
authors.initials: Y
authors.lastname: Zhang
authors.forename: Xiaochen
authors.initials: X
authors.lastname: Shen
authors.forename: Xiao
authors.initials: X
authors.lastname: Feng
authors.forename: Hong
authors.initials: H
authors.lastname: Xia
authors.forename: Ying
authors.initials: Y
authors.lastname: Mu
authors.forename: Xiaoming
authors.initials: X
authors.lastname: Liu