Louis E. Brus, a renowned American chemist and professor at Columbia University, passed away on January 9, 2026, at the age of 82. He was internationally recognized for his groundbreaking contributions to nanotechnology and physical chemistry, particularly for his work on tiny semiconductor structures known as quantum dots.See more…
Brus was born on August 10, 1943, in Cleveland, Ohio. He earned his BS in chemical physics from Rice University and later completed his Ph.D. in physical chemistry at Columbia University in 1969. He began his research career at the Naval Research Laboratory and later at Bell Labs, where he developed the work that led to the discovery of quantum dots. In 1996, he joined the faculty at Columbia University, continuing both research and teaching.See more…
His most significant contribution was the discovery and synthesis of quantum dots, tiny nanocrystals with optical and electronic properties determined by their size. This discovery has transformed the use of materials in technology and earned him the Nobel Prize in Chemistry in 2023, shared with Alexei Ekimov and Moungi Bawendi, for their pioneering work in this field.
Brus’s discoveries have wide-ranging applications in QLED displays, solar cells, medical imaging, and advanced sensor technologies, profoundly impacting modern nanotechnology. His scientific legacy will continue to inspire future generations of researchers and innovators worldwide
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