Meso-/macropores have been induced as additional second-order structures by the assembly of particles of a microporous zeolitic imidazolate framework, ZIF-8, prepared by ultrasonication. Simple carbonization of ZIF-8 affords a 3-dimensional hierarchically porous carbon framework with micro-, meso- and macropores, which exhibits the best performance ever reported as a supercapacitor electrode.
We describe here a methodology to immobilise/stabilise metallic Pd on surface-functionalised ferrite nanoparticles leading to a magnetically separable catalyst, which exhibits efficient catalytic activity in various hydrogenation and ligand-free Suzuki-Miyaura reactions. Importantly, the use of highly branched polyethylenimine to entrap Pd nanoparticles on the surface of Fe 3 O 4 results in structurally stable catalytic sites, which makes them recyclable without any loss in activity.
It's no sacrifice: A bio‐inspired iron system, in which a β‐keto ester serves as a sacrificial cosubstrate, readily epoxidizes olefins under ambient conditions with air. Aromatic olefins are oxidized in high yields with excellent chemoselectivity. Mechanistic investigations point out substantial differences to well‐known radical‐based autoxidations.
Highly photoluminescent carbon nanodots (CNDs) were synthesized for the first time from metal-organic framework (MOF, ZIF-8) nanoparticles. Coupled with fluorescence and non-toxic characteristics, these carbon nanodots could potentially be used in biosafe color patterning.
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