https://phys.org/news/2023-12-high-performance-quantum-dot-photosensor-external.htmlQuote
Professor Ji-woong Yang said, "By controlling the structure of eco-friendly quantum dots and developing a charge transfer layer optimized for the dots, we were able to make a high-performance eco-friendly quantum dot photosensor."
UNIST Professor Moon-kee Choi stated, "We were able to create an ultra-thin pulse sensor with high flexibility based on the eco-friendly quantum dot photosensor that requires no external power source. It could be used for various next-generation photosensor applications, such as lidar and infrared cameras, as well as wearable health care monitoring systems."
This year's Nobel Prize in Chemistry was awarded to three scientists who discovered and developed quantum dots, which are also known as the seeds of nanoscience. Quantum dots are ultra-fine semiconductor particles, which are only a few nanometers (nm, one billionth of a meter) in size, and their better optical and electrical properties than traditional semiconductor materials allow them to quickly separate electrons and electron holes.