Next-Generation Optoelectronic Devices to be developed based on 2D materials

In the last two decades, the rapid growth of digital technology has generated a demand for electronic devices with high computing capability

FREMONT, CA: Two-dimensional materials (2D) are a proven choice in several applications in photonics, particularly in optoelectronic devices such as optical fibres, photovoltaic cells, sensing, quantum computing, and security, due to their remarkable optical capabilities. The study of optical power from light-detecting devices that act as an electrical-to-optical or optical-to-electrical transducer is known as optoelectronics. However, for a long time, the issues of light-matter interactions and optical integration for large-scale production have been a source of concern, and future integrated circuits must strive for lower power consumption, great efficiency, a smaller carbon footprint, and faster speeds. Scientists have grounds to believe that next-generation 2D materials will be able to solve these problems.

2D materials can immediately mix with other structures due to their van der Waals forces. Their superb adjustable band structure, ultra-fast carrier mobility, and ultra-high nonlinear coefficient can all be used in optoelectronic devices for a variety of applications. III-V and Si materials are used in the construction of optoelectronic devices. Because silicon is a plentiful material, it is inexpensive, has a high level of compatibility with the complementary metal-oxide-semiconductor industry, and has a bright future in upscaling. They, however, possess lower efficiency and do not have high efficient optical qualities.

Nanotubes have recently been used to replace silicon as transistors in microprocessors. Nanotubes could open the way for more efficient, quicker, and smaller carbon components for computer processors, owing to their superb semiconductor capabilities. Graphene, black phosphorous (BP), and transition metal dichalcogenides (TMDs) are among the 2D materials being investigated for optical communication, biosensing, biomedical applications, laser sources, and photodetectors. Graphene has attracted a lot of interest in a variety of applications, including super-fast electronics, ultra-sensitive sensors, and highly durable materials. Its carbon atoms are bonded together in such a way that each atom shares electrons with three surrounding carbon atoms, allowing any additional electrons to flow over the surface quickly.

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