Emerging Optoelectronic Materials and Devices

Dear Colleagues,

In the modern era, we cannot imagine life without optoelectronics. These devices have been extensively used in several contemporary domains, such as fiber-optic communication, medicinal applications, display technology, augmented reality, defense monitoring, remote sensing, and more. By utilizing modern growth strategies, it becomes feasible to identify innovative semiconductors, therefore enabling optoelectronic devices to operate throughout a broad range of electromagnetic wave wavelengths, spanning from deep ultraviolet (DUV) to long-wave infrared (LWIR) regions. Semiconductors possess distinctive characteristics, such as an ability to regulate electrical conductivity and customize bandgaps, making them vital in the realm of optoelectronic technology. In addition, the utilization of sophisticated lithographic methodologies enables a reduction in semiconductor dimensions on a nanoscale scale, hence facilitating the production of optoelectronic devices that possess enhanced capacity, speed, efficiency, compactness, and sensitivity. A wide range of material libraries, from simple binary inorganic to complex organic combinations, have dominated the research field. Furthermore, nanostructures, nanocomposites, quantum configurations, and plasmonic patterns have been heavily used to push the operating limit further. Heterogeneous configurations, such as solid–liquid junctions, hybrid coupling with energy harvesting devices, and multifunctional device configurations, along with the incorporation of novel materials, such as metal–organic frameworks, MXenes, mixed perovskites, etc., have ushered in a new era of optoelectronics research. This Special Issue aims to address such efforts in the domain of optoelectronics research, including novel material systems, unorthodox growth and fabrication processes, innovative device configurations, and advanced characterization techniques.

Dr. Debabrata Das
Guest Editor

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