Journal
MATERIALS TODAY CHEMISTRY
Volume 1-2, Issue -, Pages 84-89Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.mtchem.2016.11.001
Keywords
Bio-inspired nanostructures; Fly compound-eye; Optical properties; Visible-light responses
Funding
- Discovery Early Career Researcher Award (DECRA) - Australian Research Council [DE150100280]
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Inorganic bio-inspired nanomaterials, which integrate the unique properties of metal oxide nanomaterials and the features of well-evolved biological structures and functions, are a novel direction towards mining the potential of existing materials to further enhance the performance of various microelectronic and energy harvesting, conversion, and storage devices, although the facile fabrication of bio-inspired materials still remains a major challenge. We noticed that some compound eyes presented extremely strong responses to light and displayed beautiful colours and patterns, which inspired us to design novel photonic materials. In this study, we fabricated fly compound-eye inspired ZnO nano-materials in the forms of either isolated microspheres or highly-ordered coatings grown in-situ, in which the three-zone structures were similar to the anatomical structure of the biological compound eyes, including an outermost faceted microlens array, a middle rhabdom-like channel layer, and a central hollow zone. The bio-inspired nanomaterials, as we expected, presented extraordinary visible-light response behaviour and would make it possible to capture energy across a wide solar spectrum with a single semiconductor material. This study thus paves the way to further improving the performance of the current photoelectronic and energy harvesting, conversion, and storage devices. (C) 2016 Elsevier Ltd. All rights reserved.
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