About
Dr. Paul G. O'Brien is an Associate Professor in the Department of Mechanical Engineering at York University, Canada, affiliated with the Lassonde School of Engineering. His research focuses on interdisciplinary clean energy solutions, including energy storage, thermophotovoltaic systems, decarbonization of buildings, and life cycle assessments. He leads the Advanced Materials for Sustainable Energy Technologies (AM-SET-Lab) and has authored over 50 journal articles. His work spans materials science, photonic crystal engineering, and radiative cooling technologies.
Research interests include optimizing thermal energy storage systems, photonic crystal-based filters for solar applications, and CO2 capture via direct air capture systems. His lab develops materials for passive cooling, solar-thermal integration, and advanced photocatalytic CO2 reduction. Dr. O’Brien collaborates across engineering disciplines to address global energy challenges.
Recent publications highlight innovations in ellipsoidal optical cavities for thermophotovoltaics, radiative cooling materials, and techno-economic assessments of carbon capture technologies. His work bridges fundamental material science with applied engineering solutions for sustainable energy systems.
