What is it about?
Nanosieve graphenes, with their morphology and porosity aspects, have been exploited for a wide range of energy/health purposes. Enabling in-plane, and deep, cylindrical cavities, with narrow size distribution and high-density surface across graphene nanoassemblies, is a consistent long-term challenge in perforation science. To address this, a natural-mimetic material-degradation was accelerated with (ZnO) nanocatalysts, as a pore-mediator, under UV-visible stimuli. Using this in synergy with surface-modified graphene was developed as a nanoperforation approach. Under the light, we discovered the ability of Zinc oxide photocatalysts to penetrate graphene and leave nanopores across the entire multilayer graphene. This innovative approach provides a powerful nanosculpture performance, generating nano-cavities with a narrow size distribution, and consistent surface coverage on the order. This approach avoided the merging of pores, coalescing into larger cavities, compared with the pristine materials. More insight into nanoperforation science, based on guided-etching methodology was revealed, opening new avenues for new research and knowledge toward novel 2D porous materials.
Photo by Timothy Dykes on Unsplash
Why is it important?
This perforation method is used to fabricate ultrathin graphene membranes with outstanding porosity properties by producing in-plane nanocavities with narrow size distribution and consistent surface coverage at different depths.
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This page is a summary of: Size‐Controlled Nanosculpture of Cylindrical Pores across Multilayer Graphene via Photocatalytic Perforation, Advanced Materials Interfaces, January 2022, Wiley, DOI: 10.1002/admi.202102129.
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