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- Title
Direct Electrochemical Synthesis of Metal‐Organic Frameworks: Cu<sub>3</sub>(BTC)<sub>2</sub> and Cu(TCPP) on Copper Thin films and Copper‐Based Microstructures.
- Authors
Araújo‐Cordero, Ana María; Caddeo, Francesco; Mahmoudi, Behzad; Bron, Michael; Wouter Maijenburg, A.
- Abstract
Cu thin films and Cu2O microstructures were partially converted to the Metal‐Organic Frameworks (MOFs) Cu3(BTC)2 or Cu(TCPP) using an electrochemical process with a higher control and at milder conditions compared to the traditional solvothermal MOF synthesis. Initially, either a Cu thin film was sputtered, or different kinds of Cu or Cu2O microstructures were electrochemically deposited onto a conductive ITO glass substrate. Then, these Cu thin films or Cu‐based microstructures were subsequently coated with a thin layer of either Cu3(BTC)2 or Cu(TCPP) by controlled anodic dissolution of the Cu‐based substrate at room temperature and in the presence of the desired organic linker molecules: 1,3,5‐benzenetricarboxylic acid (BTC) or photoactive 4,4′,4′′,4′′′‐(Porphine‐5,10,15,20‐tetrayl) tetrakis(benzoic acid) (TCPP) in the electrolyte. An increase in size of the Cu micro cubes with exposed planes [100] of 38,7 % for the Cu2O@Cu3(BTC)2 and a 68,9 % increase for the Cu2O@Cu(TCPP) was roughly estimated. Finally, XRD, Raman spectroscopy and UV–vis absorption spectroscopy were used to characterize the initial Cu films or Cu‐based microstructures, and the obtained core‐shell Cu2O@Cu(BTC) and Cu2O@Cu(TCPP) microstructures.
- Subjects
COPPER; METAL-organic frameworks; THIN films; MICROSTRUCTURE; BENZOIC acid; COPPER films; COPPER catalysts; SCHIFF bases; BENZOATES
- Publication
ChemPlusChem, 2024, Vol 89, Issue 3, p1
- ISSN
2192-6506
- Publication type
Article
- DOI
10.1002/cplu.202300378