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Growth modes of nanoparticle superlattice thin films

AuthorsMishra, D.; Greving, D.; Badini-Confalonieri, G. A. ; Perlich, J.; Toperverg, B. P.; Zabel, H.; Petracic, O.
Nanoparticle superlattices
Growth modes
Issue Date2014
PublisherInstitute of Physics Publishing
CitationNanotechnology 25(20): 205602 (2014)
AbstractWe report on the fabrication and characterization of iron oxide nanoparticle thin film superlattices. The formation into different film morphologies is controlled by tuning the particle plus solvent-to-substrate interaction. It turns out that the wetting vs dewetting properties of the solvent before the self-assembly process during solvent evaporation plays a major role in determining the resulting film morphology. In addition to layerwise growth three-dimensional mesocrystalline growth is also evidenced. The understanding of the mechanisms ruling nanoparticle self-assembly represents an important step towards the fabrication of novel materials with tailored optical, magnetic or electrical transport properties. © 2014 IOP Publishing Ltd.
Publisher version (URL)http://dx.doi.org/10.1088/0957-4484/25/20/205602
Identifiersdoi: 10.1088/0957-4484/25/20/205602
e-issn: 1361-6528
issn: 0957-4484
Appears in Collections:(ICMM) Artículos
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