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Reversible photothermal homogenization of fluorous biphasic systems with perfluoroalkylated nanographene

G. Guday, M. Adeli*, R. Haag – 2020

Fluorous biphasic systems use the temperature-sensitive miscibility of fluorinated materials in nonfluorous solutions as a means to control reaction systems and easily separate catalysts or other compounds from a mixture. We present perfluoroalkylated nanographene as a viable platform for photohomogenization and recycling of fluorous-tagged catalysts. The photothermal properties of graphene materials, particularly in the near-infrared range, enable comparatively fast activation time and simplify the recycling of catalysts thanks to the easy separation of the solid fluorinated graphene phase from most solvents by centrifugation. A fluorinated phosphine catalyst was used in a modified, catalyst-regenerative Appel reaction as a model system. The catalyst could be successfully recovered and reused for at least 10 cycles with minimal loss of yield.

Title
Reversible photothermal homogenization of fluorous biphasic systems with perfluoroalkylated nanographene
Author
G. Guday, M. Adeli*, R. Haag
Date
2020
Identifier
10.1002/adfm.202000933
Citation
ACS Appl. Nano Mater., 2020, 3, 1139–1146
Type
Text