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Biomimetic Arrays of Oriented Helical ZnO Nanorods and Columns
Abstract
Extended helical or chiral nanostructures are usually associated with biomolecules but are mostly absent in synthetic materials. Here we report the first synthesis of unusual oriented and extended helical nanostructures in synthetic ceramics. Large arrays of oriented helical ZnO nanorods and columns are formed using simple citrate ions to control the growth habits of the ZnO crystal. This novel mechanism could lead to new approaches to control the orientation, the surface area, and the defect structure of synthetic materials that are critical for practical applications. The morphology generated in the helical ZnO nanostructure shows remarkable resemblance to the growth morphology of nacreous calcium carbonate and thus may shed new light on morphology and orientation control of biominerals.
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Metadata
- Authors
- Tian, Z. R., Voigt, J. A., Liu, J., Mckenzie, B., & Mcdermott, M. J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2002-10-09
- Volume
- 124
- Issue
- 44
- Pages
- 12954-12955
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2064301426
- Cited by
- 492
- References
- 0
- FWCI
- 20.35
- Type
- journal article
- Language
- en
- Open access
- closed
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