The fabrication of Ag nanoflake arrays via self-assembly on the surface of an anodic aluminum oxide template |
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Authors: | Xueming Li Libin Tang Peizhi Yang |
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Affiliation: | a Institute of Advanced Materials for Photoelectronics, Kunming University of Science and Technology, Kunming 650051, China b Kunming Institute of Physics, Kunming 650223, China c Key Laboratory of Advanced Technique & Preparation for Renewable Energy Materials, Ministry of Education, Yunnan Normal University, Kunming 650092, China |
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Abstract: | Vertical-aligned Ag nanoflake arrays are fabricated on the surface of an anodic aluminum oxide (AAO) template under a hydrothermal condition for the first time. The porous surface of AAO templates and the precursor solution may play key roles in the process of fabricating Ag nanoflakes. The rim of pores can provide many active sites for nucleation and growth, and then nanoflake arrays gradually form through self-assembly of Ag on the surface of AAO membranes. The product is characterized by X-ray diffraction (XRD) and scanning electron microscopy (SEM), and a growth mechanism of nanoflake is deduced. This work demonstrates that it is possible to make ordered nanoarrays without dissolving templates using the hydrothermal method, and this interesting Ag nanoflake arrays may provide a wider range of nanoscale applications. |
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Keywords: | Crystal growth Self-assembly Nanomaterials AAO template |
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