Three-Dimensional Single-Crystalline GaN Hierarchical Nanowire Architectures
Three-dimensional (3D) nanowire architectures, with large surface area per unit volume, are exceptionally important for advancing the design and performance of photovoltaic devices, catalysts beds, energy storage systems, solid state sensors, and battery electrodes. 3D hierarchical GaN nanowire architectures were large-scale grown via a simple chemical vapor deposition (CVD) method. The architectures are composed of branched single-crystalline GaN nanowires. The growth of the branched single-crystalline GaN nanostructures is a vapor–liquid–solid (VLS) mechanism and sputtering gold thin film on the trunk nanowires is the key step to obtain the branched nanowires. This facile technique might apply to the growth of other 3D functional nanostructures for potential applications.
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Document Type: Research Article
Publication date: February 1, 2015
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