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

18 March 2021, Version 1

Working Paper

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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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Version History

Mar 18, 2021 Version 1

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The content is available under CC BY NC ND 4.0

DOI

10.26434/chemrxiv.14229254.v1

Funding

P30431-N36

GACR) project 19-15217S

Author’s competing interest statement

No conflicts to declare

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