Vertically aligned tree-like structures with n-type ZnO stems and p-type CuO branches were synthesized on indium tin oxide-coated glass via a simple seed-mediated hydrothermal technique. The nanotree structure features the p–n heterojunction at the branch/stem interface that facilitates charge separation upon illumination. The enhanced photocatalytic activity and light-energy conversion is determined via photoelectrochemical characterization under in aqueous and acetonitrile conditions, respectively. ZnO/CuO tree-like nanostructures are a prospective nanomaterial for the design of photoelectrochemical sensors, photocatalytic synthesis, and solar energy conversion.

Fabrication of ZnO/CuO vertically-aligned tree-like nanostructure and its application in solar energy conversion

256th National Meeting (2018)

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