The National Science Foundation (NSF) awarded a $425,000 Project Grant under the Mathematical and Physical Sciences program (CFDA 47.049) to Northwestern University for a 3-year research project on the "Transient Physicochemical Properties of Nanomaterials." The grant supports experimental studies by Professor Richard Schaller to investigate the crystal lattices, surfaces, and surface ligand behavior of semiconductor and metal nanoparticles. The research aims to elucidate the equilibrium and time-evolution of key properties under conditions that push nanomaterials to performance limits or target particle fusion. The research findings will advance the communal knowledge on promising materials systems and incorporate methods and discoveries into the classroom and public engagement. Key areas of focus include evaluating the impact of intense excitation and elevated temperatures on optoelectronic characteristics and additive manufacturing processes, as well as gaining insights into ligand re-partitioning, surface activity, lattice disordering, de-mixing, and phonon distribution evolution.
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