Abstract
This Perspective presents a review of current research activities on one-dimensional (1D) semiconductor nanostructures grown on two-dimensional (2D) nanomaterials for flexible electronic and optoelectronic device applications. For hybrid-dimensional nanostructures, 1D nanostructures exhibit excellent material characteristics, including high carrier mobility and radiative recombination rate as well as long-term stability, while 2D layers show good optical transparency, mechanical flexibility, and electrical characteristics. Accordingly, the versatile and fascinating properties of 1D nanostructures grown on 2D layers enable the fabrication of high-performance optoelectronic and electronic devices even in transferable, flexible, or stretchable forms. We initially present a variety of 1D/2D hybrid nanostructures and their preparation methods, followed by a discussion of techniques for fabricating aligned 1D nanostructure arrays on 2D layers and their heterostructures. Furthermore, we discuss a wide range of devices based on the 1D/2D hybrid nanostructures. These devices include light-emitting devices, photodetectors, transistors, and pressure sensors. Several important issues, including 1D/2D junction properties and device fabrication processes for device applications, are also addressed. We conclude with personal remarks on the issues and perspectives for research on 1D/2D hybrid nanostructures for more sophisticated device applications.
Highlights
We initially present a variety of 1D/2D hybrid nanostructures and their preparation methods, followed by a discussion of techniques for fabricating aligned 1D nanostructure arrays on 2D layers and their heterostructures
Contemporary human life heavily relies on mobile devices, such as smartphones, laptops, or personal computers, which contain a considerable amount of information with the use of nanotechnology.[1]
Chemical vapor deposition (CVD)-grown monoatom-thick graphene was used as the substrate for growing InAs NWs, and an increase in graphene thickness resulted in higher NW growth density but the deterioration of verticality because of the increased surface roughness of graphene.[82]
Summary
Contemporary human life heavily relies on mobile devices, such as smartphones, laptops, or personal computers, which contain a considerable amount of information with the use of nanotechnology.[1]. We review recent progress, efforts, and perspectives in the field of 1D inorganic semiconductor nanostructures grown on 2D nanomaterials and their fabrication and applications for flexible optoelectronic and electronic devices and sensors. From this perspective, we critically analyze the recent progress in 1D/2D hybrid nanomaterials during the past decade. Using these techniques, various types of 1D semiconductor nanostructures have been synthesized on 2D nanomaterials, including graphene. The issues and advances in the growth of 1D/2D hybrid nanomaterials and device fabrication processes for diverse practical device applications are discussed
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