Room Temperature Synthesis of Cu-BTC Coordination Polymer and Metal-Organic Framework by pH Control

18 March 2021, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

Synthesis of crystalline materials is crucial in the field of
coordination chemistry. In the present work, the reaction
between the copper and benzene-1,3,5-tricarboxylic acid
(BTC) ligand is controlled by adjusting the pH of the
reaction mixture to synthesize two crystalline structures:
metal-organic framework HKUST-1 and one-dimensional
coordination polymer Cu(BTC).3H2O. Single crystals of both
structures are studied by multi-laser Raman spectroscopy.
It is found that both crystals exhibit photoluminescence.
Also, the transformation of HKUST-1 into Cu(BTC).3H2O is
demonstrated. This work provides impetus for researchers
to synthesize large metal-organic crystals.

Keywords

Metal-organic frameworks (MOFs)
coordination polymer
pH control method
photoluminescence characteristics
crystal growth ability

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