2D Materials for Opto-Electronics

Dear Colleagues,

Two-dimensional materials, such as graphene, transition metal chalcogenides, phosphorene, and MXene, have gained considerable interest due to their application in opto-electronic devices, such as photodetectors, solar cells, and photoelectrochemical cells. They can absorb light in different ways (excitonic excitation, plasmonic excitation, thermal excitation, etc.) and convert it into electrical signals. They can act as narrow-band gap semiconductors, broad-band gap semiconductors, and metal plasmonic materials. In recent years, metal-doped semiconductors and metal/semiconductor hybrid materials have shown great potential in optimized light–matter interactions. A variety of optoelectronic devices based on heterostructures, homo-structures, Schottky junction, nanocomposites, etc., have shown great potential owing to their light absorption over a broad spectral range.

This research Topic is aimed at scientists from all over the world interested in research on opto-electronic devices who want to share their latest findings on optical phenomena, material design, characterization analysis, devices and applications. We will summarize the recent advancements and challenges in opto-electronic material, synthesis and device applications within a much broader scope. High-quality original research and review papers are welcome. Possible research themes include, but are not limited to, the following:

• Novel photosensitive 2D-materials;
• Broad-band, self-powered photodetectors;
• Nanocrystals, quantum dots and nano-structured materials;
• Novel designs for the fabrication of efficient solar cells;
• Transparent and flexible opto-electronic devices.

Dr. Pratik M. Pataniya
Guest Editor

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