Journal
NANO LETTERS
Volume 11, Issue 3, Pages 1141-1146Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl200136j
Keywords
Iron oxide nanowhiskers; ligand-directed growth; electronic structure calculation of complexes; iron oxide nanoclusters
Categories
Funding
- ORAU
- NSF [0747690, DMR 0907204, 0925445]
- Department of Energy's Office of Biological and Environmental Research at Pacific Northwest National Laboratory
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0907204] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Chem, Bioeng, Env, & Transp Sys [0747690] Funding Source: National Science Foundation
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [0925445] Funding Source: National Science Foundation
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Iron oxide nanowhiskers with dimensions of approximately 2 x 20 nm were successfully synthesized by selectively heating an iron oleate complex. Such nanostructures resulted from the difference in the ligand coordination microenvironments of the Fe(III) oleate complex, according to our electronic structure calculations and thermogravimetric analysis. A ligand-directed growth mechanism was subsequently proposed to rationalize the growth process. The formation of the nanowhiskers provides a unique example of shape-controlled nanostructures, offering additional insights into nanoparticle synthesis.
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