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- Title
Templated Synthesis of Diamond Nanopillar Arrays Using Porous Anodic Aluminium Oxide (AAO) Membranes.
- Authors
Zhang, Chenghao; Liu, Zhichao; Li, Chun; Cao, Jian; Buijnsters, Josephus G.
- Abstract
Diamond nanostructures are mostly produced from bulk diamond (single- or polycrystalline) by using time-consuming and/or costly subtractive manufacturing methods. In this study, we report the bottom-up synthesis of ordered diamond nanopillar arrays by using porous anodic aluminium oxide (AAO). Commercial ultrathin AAO membranes were adopted as the growth template in a straightforward, three-step fabrication process involving chemical vapor deposition (CVD) and the transfer and removal of the alumina foils. Two types of AAO membranes with distinct nominal pore size were employed and transferred onto the nucleation side of CVD diamond sheets. Subsequently, diamond nanopillars were grown directly on these sheets. After removal of the AAO template by chemical etching, ordered arrays of submicron and nanoscale diamond pillars with ~325 nm and ~85 nm diameters were successfully released.
- Subjects
NANODIAMONDS; CHEMICAL processes; CHEMICAL vapor deposition; DIAMONDS; CHEMICAL templates
- Publication
Nanomaterials (2079-4991), 2023, Vol 13, Issue 5, p888
- ISSN
2079-4991
- Publication type
Article
- DOI
10.3390/nano13050888