Abstract

Recently, graphene-based semiconductor nanocrystals exhibited some important characteristics such as band gap tunability, efficient light harnessing, and steady property which is an important factor for the fabrication of light emitting diodes, photovoltaic devices, etc. Hence, the use of graphene in combination with semiconductor nanocrystals composite structures shows an improvement in their electrical, and optical properties with the nanoscale structures of semiconductors. Therefore, for the production of new and advanced graphene-based semiconductors materials requires a fundamental knowledge about the basic properties of materials based on their size and shape effects, which can be useful to develop new devices with distinctive properties and functions for various applications. Therefore, this chapter focuses on the introduction and role of graphene in the technological development of optoelectronics devices and properties associated with it, as well as provides a detailed review on different types of graphene-based semiconductor materials and their device performance.

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