Profile of Alexei I. Ekimov, Louis E. Brus, and Moungi G. Bawendi: 2023 Nobel laureates in chemistry.

This article provides an overview of the 2023 Nobel laureates in chemistry, Alexei I. Ekimov, Louis E. Brus, and Moungi G. Bawendi, and their contributions to the field. It explores the historical use of metal salts in stained glass windows and the relationship between nanoparticle size and absorption edge in glasses. The article focuses on Ekimov's research on colloidal particle growth in glasses, Brus' work on size-dependent optical properties in colloidal suspensions, and Bawendi's advancements in nanocrystal properties. It also discusses the development and applications of colloidal quantum dots, which are nanocrystals that emit light across a wide range of wavelengths. The article emphasizes the interdisciplinary nature of quantum dot research and its potential for future applications in energy conversion, quantum light sources, sensing, and imaging. [Extracted from the article]