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Epitaxial Growth of Three-Dimensionally Mesostructured Single-Crystalline Cu2O via Templ-ated Electrodeposition

Title
Epitaxial Growth of Three-Dimensionally Mesostructured Single-Crystalline Cu2O via Templ-ated Electrodeposition
Author
박재근
Issue Date
2014-12
Publisher
AMER CHEMICAL SOC
Citation
CHEMISTRY OF MATERIALS, 권: 26, 호: 24, 페이지: 7051-7058
Abstract
Significant efforts have been made over the past few decades to realize functional three-dimensional photonic crystal devices including zero-threshold lasers, waveguides, light-emitting diodes (LEDs), and solar cells; however, progress has been limited because of difficulties in creating three-dimensional photonic crystals from single-crystal materials. Most have been formed from polycrystalline materials and thus have generally exhibited poor electronic properties. Realization of materials containing complex three-dimensional mesostructures, in single-crystal form, remains a significant challenge. Here, we demonstrate the epitaxial growth of three-dimensionally mesostructured Cu2O by bottom-up electrodeposition through a 3D silica colloidal template. Not only is the templated Cu2O single crystal, but when the electrodeposition continues past the colloidal template, the crystallinity of the overlying solid Cu2O appears to be improved because the template blocks threading dislocations, resulting in substantial reductions in the dislocation density of the overlying solid Cu2O.
URI
https://pubs.acs.org/doi/10.1021/cm5034645http://hdl.handle.net/20.500.11754/52727
ISSN
0897-4756; 1520-5002
DOI
10.1021/cm5034645
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > ELECTRONIC ENGINEERING(융합전자공학부) > Articles
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