Synthesis, structure and characterization of two solvatochromic metal–organic frameworks for chemical-sensing applications†
Limin
Zhao, 
*ab
Zhenjie
Zhang
c
and
*ab
Zhenjie
Zhang
c
and
Abstract
Two isostructural Zr and Hf metal–organic frameworks (PU-1 and PU-2) were constructed from a hitherto unreported anthracene-derived dicarboxylate ligand and inorganic [M6O4(OH)4(CO2)12] (M = Zr4+ or Hf4+) secondary building unit under solvothermal conditions. They crystallized in the cubic Fd![[3 with combining macron]](https://www.rsc.org/images/entities/char_0033_0304.gif)
m space group with doubly interpenetrated fcu-c topology. PU-1 exhibited an eye-catching color change within different solvents (especially in water) and could be a solvatochromic sensing material for recognition of solvent molecules.
- This article is part of the themed collection: Editor’s collection: Chromism in Frameworks
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