Recent progress and challenges of infrared quantum dots

This review explores the recent advancements in the field of infrared quantum dot (QD) materials, focusing on their synthesis, characterization, and applications. In recent years, precise control of the physical size and modulation of the chemical components in QDs has enabled efficient and tunable photoelectric properties. The distinctive emission and absorption properties of infrared QDs indicate their importance across diverse applications. This review covers the fundamental physical properties of QDs; elucidates their regulatory mechanisms; discusses their synthesis methods; and explores their applications in photodetectors, light-emitting diodes, lasers, photovoltaic devices, and others. Finally, it addresses existing challenges and outlines prospective future opportunities in the field of infrared QD technology.