Journal
ACS NANO
Volume 5, Issue 12, Pages 9403-9412Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn203239n
Keywords
hierarchical array; trinary; binary colloidal crystals; enhanced properties
Categories
Funding
- National Natural Science Foundation of China [10974203]
- Anhui Provincial Natural Science Funds for Distinguished Young Scholar [1108085J20]
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A unique approach for fabricating complex hierarchical periodic arrays with trinary stepwise architectures of micro- and submicro- as well as nanosized structures by combining a novel double-layered binary colloidal crystal with pulsed laser deposition techniques Is developed. The present strategy is universal and nanostructures with different materials can be easily prepared in the complex hierarchical periodic arrays. This approach offers the advantage of low costs compared to conventional lithographic techniques. These as-prepared unique structures cannot be directly fabricated by conventional lithography. These special hierarchically structured arrays demonstrate fine structure-enhanced performances, Including super-hydrophilicity without UV irradiation and surface enhanced Raman scattering (SERS), which is highly valuable for designing micro/nanodevices, such as biosensors or microfluidic devices.
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