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Development of novel van der Waals (vdW) heterostructure is of great interest and significant to improve the performance of photovoltaic, photocatalytic and optoelectronic devices. In this work, the C2N/β-Sb vdW heterostructure has been investigated by the first-principles calculations. It is found that the pristine C2N/β-Sb vdW heterostructure is a type-ΙΙ heterostructure with a direct band gap of...
Dumbbell-like carbonaceous sodium hexagonal tungsten bronze (Na-HTB) materials are constructed as model photocatalysts to show the importance of carbon distribution for the photocatalysis of hybrid nanostructures. It is demonstrated that partially carbon coated on the ends of Na-HTB nanowire bundles shows better photoactivity than bare Na-HTB and overall carbon coated Na-HTB. Photoelectrochemistry...
Silica-coated multi-walled carbon nanotubes (MWCNT@SiO 2 ) were synthesized by a sol–gel method and then incorporated into an epoxy matrix. The less stiff silica intermediate shell on the MWCNTs not only alleviates the modulus mismatch between the stiff MWCNTs and the soft epoxy, but also improves the interaction between them. The thermal conductivities of the epoxy/MWCNT@SiO 2 composites...
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