Interfacial growth behavior of SnO(2) nanorods on {112combining macron0} and {101combining macron0} facets of α-Fe(2)O(3).
Summary of "Interfacial growth behavior of SnO(2) nanorods on {112combining macron0} and {101combining macron0} facets of α-Fe(2)O(3)."
SnO(2) nanorods with specific growth directions, [101] or [001], were fabricated on α-Fe(2)O(3) substrates via a simple hydrothermal method. The growth behavior of SnO(2) nanorods is facet-selective. Both {112[combining macron]0} and {101[combining macron]0} facets of α-Fe(2)O(3) are favorable to direct the growth of SnO(2) nanorods. The correlation between the crystallographic orientation of SnO(2) and the facets of α-Fe(2)O(3) is characterized by TEM observations and investigated on the basis of the interfacial lattice compatibility. Furthermore, the distribution and coordination of oxygen atoms at the interface of α-Fe(2)O(3)-SnO(2) heterostructure are analyzed, which reveals that only slight deviations from their original equilibrium positions are allowed for the formation of heterogeneous interface. And this lower energy activated interfacial construction is beneficial to the feasibility and stability of heterostructures.
Affiliation
Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, PKU-HKU Joint Laboratory in Rare Earth Materials and Bioinorganic Chemistry, Peking University, Beijing 100871, China. sun@pku.edu
Journal Details
This article was published in the following journal.
Name: Nanoscale
ISSN: 2040-3372
Pages: 5092-7
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/22777010
- DOI: http://dx.doi.org/10.1039/c2nr31177a
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