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Cobalt-containing zeolitic imidazole frameworks for C–H activation using visible-light redox photocatalysis

DOI: 10.1039/D0CY01061H DOI Help

Authors: Matthew E. Potter (University of Southampton) , Cameron P. Ross (University of Southampton; Agency of Science, Technology and Research (A*STAR)) , Diego Gianolio (Diamond Light Source) , Ramon Rios (University of Southampton) , Robert Raja (University of Southampton)
Co-authored by industrial partner: No

Type: Journal Paper
Journal: Catalysis Science & Technology , VOL 8

State: Published (Approved)
Published: September 2020
Diamond Proposal Number(s): 15151

Open Access Open Access

Abstract: The activation of C–H bonds for carbon–carbon coupling reactions remains a challenge in organic synthesis. Visible light photocatalysis offers a unique opportunity to sustainably perform these reactions in a single-step, without the need for caustic reagents, and under ambient operating conditions. We utilize non-noble metals in the form of hybrid cobalt-based zeolitic imidazole frameworks, for the first time, to explore the structure–property correlations leading to the photocatalytic formation of C–C bonds. Combining in situ spectroscopy and theoretical simulations we can rationalize the photocatalytic efficacy of different frameworks. This led to an improved understanding of the nature of the photocatalytic active sites and associated reaction pathway.

Diamond Keywords: Photocatalysis

Subject Areas: Chemistry

Instruments: B18-Core EXAFS

Added On: 24/09/2020 09:31


Discipline Tags:

Zeolites Earth Sciences & Environment Sustainable Energy Systems Energy Climate Change Physical Chemistry Catalysis Chemistry Materials Science Metal-Organic Frameworks Metallurgy Organometallic Chemistry

Technical Tags:

Spectroscopy X-ray Absorption Spectroscopy (XAS)