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Louis E. Brus is a foundational figure in nanoscience whose indexed work centers on the quantum confinement effects that govern semiconductor clusters and nanocrystals. His early first-author model for the ionization potential, electron affinity, and aqueous redox potentials of small semiconductor crystallites (1983, *The Journal of Chemical Physics*) established a theoretical framework for understanding how particle size alters electronic properties, a concept he extended in his widely cited 1986 review of electronic wave functions in semiconductor clusters. As a senior author, Brus also pioneered the study of single-nanocrystal behavior, most notably through his 1996 *Nature* paper on fluorescence intermittency in single cadmium selenide nanocrystals, which revealed the blinking phenomenon that became a defining characteristic of quantum dots. Beyond his lead-author work, Brus contributed to broader advances in nanoscale optics and charge transfer. He was a co-author on the 2005 *Science* paper demonstrating that the optical resonances in carbon nanotubes arise from excitons, a finding that reshaped the understanding of one-dimensional nanomaterials. His 2003 *Journal of Physical Chemistry B* review on charge transfer on the nanoscale further synthesized key principles of electron dynamics in confined systems. Across these contributions, Brus’s career has been defined by linking the quantum mechanics of small particles to observable optical and electronic phenomena, laying the groundwork for modern colloidal quantum dot science.
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S Y Frank Zhao, Giselle A Elbaz, D Kwabena Bediako, Cyndia Yu, Dmitri K Efetov, Yinsheng Guo, Jayakanth Ravichandran, Kyung-Ah Min, Suklyun Hong, Takashi Taniguchi, Kenji Watanabe, Louis E Brus, Xavier Roy, Philip Kim
Archana Raja, Malte Selig, Gunnar Berghäuser, Jaeeun Yu, Heather M Hill, Albert F Rigosi, Louis E Brus, Andreas Knorr, Tony F Heinz, Ermin Malic, Alexey Chernikov