Abstract
Three dimensional (3D) elastic hybrid networks built from interconnected nano- and microstructure building units, in the form of semiconducting-carbonaceous materials, are potential candidates for advanced technological applications. However, fabrication of these 3D hybrid networks by simple and versatile methods is a challenging task due to the involvement of complex and multiple synthesis processes. In this paper, we demonstrate the growth of Aerographite-GaN 3D hybrid networks using ultralight and extremely porous carbon based Aerographite material as templates by a single step hydride vapor phase epitaxy process. The GaN nano- and microstructures grow on the surface of Aerographite tubes and follow the network architecture of the Aerographite template without agglomeration. The synthesized 3D networks are integrated with the properties from both, i.e., nanoscale GaN structures and Aerographite in the form of flexible and semiconducting composites which could be exploited as next generation materials for electronic, photonic, and sensors applications.
Highlights
Three-dimensional Aerographite-GaN hybrid networks: Single step fabrication of porous and mechanically flexible materials for multifunctional applications
We demonstrate the growth of Aerographite-GaN 3D hybrid networks using ultralight and extremely porous carbon based Aerographite material as templates by a single step hydride vapor phase epitaxy process
We demonstrate the direct growth of GaN nano- and microstructures on the surface of Aerographite tubes in the form of a AG-GaN 3D hybrid network (NW) using rapid hydride vapor phase epitaxy (HVPE) method
Summary
Three-dimensional Aerographite-GaN hybrid networks: Single step fabrication of porous and mechanically flexible materials for multifunctional applications. In order to overcome these issues, either direct growth of semiconductors on the desired substrates/chips[27,28] or the fabrication of large 3D interconnected networks made from these nano- and microstructures building blocks must be realized by appropriate techniques[29,30,31] Such three dimensionally interconnected network structures exhibit all www.nature.com/scientificreports the features inherent to nanoscopic dimensions and in addition they are very easy to handle and they are even more flexible for various advanced applications. The use of carbon based networks as templates for growth of GaN nano- and microstructures in the form of 3D hybrid networks where the template exhibits double role, i.e., as a backbone and a functional component in the grown 3D network material, is very rarely reported in literature, to the best of our knowledge
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