Chapter 7

Introduction and Types of Semiconducting Hybrid Nanostructures for Optoelectronic Devices

Byrappanapalya S. Ravikumar

Byrappanapalya S. Ravikumar

1 M. S. Ramaiah University of Applied Sciences, Department of Physics, Faculty of Mathematical and Physical Sciences, Peenya 4th Phase, Bengaluru, 560058 India

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Baishali Garai

Baishali Garai

2 Dayananda Sagar University, Department of Physics, Bengaluru, 560068 India

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First published: 02 December 2022

Summary

One-dimensional (1D) nanostructures like nanowires (NWs), nanobelts, and nanotubes have attracted several researches interest around the globe due to their unique properties and potential applications in optoelectronics. Semiconductor nanostructures like quantum wires when mixed with 2D materials can significantly tune and enhance light interaction with the semiconductor material. These have a significant effect on the functionalities of optoelectronic devices built on 1D nanostructure like UV detectors light-emitting diodes (LEDs), nanolasers, and single-NW solar cells. In this chapter, the authors will systematically introduce the types of semiconducting nanostructures based on the nature of the junction within the structure. This will be followed by a detailed discussion on the synthesis techniques for these hybrid nanostructures and their growth mechanism.

A major portion of the chapter will encompass the device functionalities of nanoscale optoelectronic devices made on 1D hybrid nanostructures including UV detectors and single-NW solar cells. The authors would bring out the uniqueness of these devices that are achieved due to the structure and morphology of the hybrid nanostructures. The chapter will end with a discussion about the most recent developments in this field, and the future studies need to be done to better understand 1D hybrid nanostructures and the relationship between their structure and properties.

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