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Issue 5, 2018
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Dissimilitude behaviour of Cu2O nano-octahedra and nano-cubes towards photo- and electrocatalytic activities

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Abstract

We demonstrate how the morphology of a simple metal-oxide system (e.g., Cu2O) controls catalytic activity. Cu2O catalysts were synthesized with a highly uniform nanocube and nano-octahedra morphology under PVP surfactant-assisted reaction conditions. A series of structural, morphological, optical and electrical characterizations are done to optimize the growth of nanostructures with different morphologies. Finally, the nanostructures are exploited as photo- and electrocatalysts. Interestingly, we find dissimilitude behaviour of nano-octahedra and nano-cube samples towards photo and electrocatalytic activities. The nano-octahedra samples are ∼57% more photocatalytically active (half-life timeoctahedra ∼ 10.7 minutes) than the nanocube samples, which is one of the highest reported photocatalytic efficiencies reported to date. However, the same nano-octahedra samples show lower electrocatalytic activity towards oxygen reduction reaction (ORR) as compared with the nanocube sample.

Graphical abstract: Dissimilitude behaviour of Cu2O nano-octahedra and nano-cubes towards photo- and electrocatalytic activities

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Publication details

The article was received on 18 Nov 2017, accepted on 12 Jan 2018 and first published on 17 Jan 2018


Article type: Paper
DOI: 10.1039/C7NJ04474G
Citation: New J. Chem., 2018,42, 3692-3702
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    Dissimilitude behaviour of Cu2O nano-octahedra and nano-cubes towards photo- and electrocatalytic activities

    I. Mukherjee, S. K. Das, B. K. Jena, R. Saha and S. Chatterjee, New J. Chem., 2018, 42, 3692
    DOI: 10.1039/C7NJ04474G

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