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Biological synthesis of free-standing uniformed goethite nanowires by Shewanella sp. HN-41

Title
Biological synthesis of free-standing uniformed goethite nanowires by Shewanella sp. HN-41
Authors
Jiang S.Kim M.-G.Kim I.Y.Hwang S.-J.Hur H.-G.
Ewha Authors
황성주
SCOPUS Author ID
황성주scopus
Issue Date
2013
Journal Title
Journal of Materials Chemistry A
ISSN
2050-7488JCR Link
Citation
vol. 1, no. 5, pp. 1646 - 1650
Indexed
SCI; SCIE; SCOPUS WOS scopus
Abstract
Dissimilatory iron-reducing bacterium Shewanella sp. HN-41 is capable of producing various nanoscale minerals due to its versatile respiratory reduction activities in a range of elements. Herein we report that free-standing uniformed goethite nanowires are synthesized by Shewanella sp. HN-41 under well-controlled bacterial culture conditions. A comparative investigation revealed that the bacterial transformation of iron nanostructures by strain HN-41 was significantly affected by the amount of akaganeite precursors and Fe(ii) in liquid cultures. Electric analysis of the bacterial goethite nanowires shows a meaningful initial charge-discharge capacity for Li-ion storage, suggesting that the facile biological control for the morphological change of nanomaterials can surely give a new opportunity for the development of Li-rechargeable battery electrode materials. © 2013 The Royal Society of Chemistry.
DOI
10.1039/c2ta00466f
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자연과학대학 > 화학·나노과학전공 > Journal papers
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