Cobalt Hydrogen-Bonded Organic Framework as a Visible Light-Driven Photocatalyst for CO2 Cycloaddition ReactionClick to copy article linkArticle link copied!
- Lamia A. SiddigLamia A. SiddigDepartment of Chemistry, UAE University, P.O. Box 15551, Al-Ain 15551, UAEMore by Lamia A. Siddig
- Reem H. AlzardReem H. AlzardDepartment of Chemistry, UAE University, P.O. Box 15551, Al-Ain 15551, UAEMore by Reem H. Alzard
- Abdalla S. AbdelhamidAbdalla S. AbdelhamidDepartment of Chemistry, UAE University, P.O. Box 15551, Al-Ain 15551, UAEDepartment of Chemical Engineering, UAE University, P.O. Box 15551, Al-Ain 15551, UAEMore by Abdalla S. Abdelhamid
- Tholkappiyan RamachandranTholkappiyan RamachandranDepartment of Physics, UAE University, P.O. Box 15551, Al-Ain 15551,UAEMore by Tholkappiyan Ramachandran
- Ha L. NguyenHa L. NguyenBerkeley Global Science Institute, University of California Berkeley, Berkeley,California 94720, United StatesMore by Ha L. Nguyen
- Alejandro Perez Paz*Alejandro Perez Paz*Email: [email protected]Department of Chemistry, UAE University, P.O. Box 15551, Al-Ain 15551, UAEMore by Alejandro Perez Paz
- Ahmed Alzamly*Ahmed Alzamly*Email: [email protected]Department of Chemistry, UAE University, P.O. Box 15551, Al-Ain 15551, UAEMore by Ahmed Alzamly
Abstract
![Abstract Image](/cms/10.1021/acs.inorgchem.3c02051/asset/images/medium/ic3c02051_0017.gif)
A novel cobalt hydrogen-bonded organic framework (Co-HOF, C24H14CoN4O8) was synthesized from a mixed linker, that is, 2,5-pyridinedicarboxylic acid (PDC) and 2,2′-bipyridyl (BPY) linkers and cobalt ion through a simple, one-pot, low-cost, and scalable solvothermal method. The Co-HOF was fully characterized using several analytical and spectroscopic techniques including single-crystal X-ray diffraction, diffuse reflectance spectroscopy, Fourier transform infrared spectroscopy, scanning electron microscopy, energy-dispersive X-ray, and X-ray photoelectron spectroscopy. The Co-HOF exhibits high thermal and chemical stabilities compared to previously reported HOF materials. Moreover, Co-HOF shows excellent photocatalytic activity under visible light irradiation due to its narrow band gap of 2.05 eV. The cycloaddition reaction of CO2 to variable epoxides was investigated to evaluate the photocatalytic performance of Co-HOF under visible light radiation and was found to produce the corresponding cyclic carbonates in yields up to 99.9%.
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