Stephen O'Brien

Stephen O'Brien is a Professor of Chemistry and Biochemistry at The City College of New York, affiliated with the Center for Advanced Technology, Chemical Engineering, and the Energy Institute. His research focuses on nanocrystal synthesis, biomedical applications of nanomaterials, batteries, and capacitors, with emphasis on energy storage and clean technology. He leads a research group exploring nanomaterials for applications in photonics, catalysis, and medical devices. His work integrates chemical solution processing and self-assembly techniques to develop high-performance nanocomposites and devices.

Key research areas include lithium metal batteries, multiferroic oxides, and meta-capacitor projects. He has pioneered studies on nanoparticle self-assembly and transition metal oxide nanomaterials. His group collaborates on projects funded by various sponsors, aiming to bridge nanotechnology with practical industrial applications.

Recent publications span advancements in magnetic sensor design, alkaline battery anodes, and biomedical imaging techniques. He has advised numerous graduate students in materials science and engineering. Notable collaborations include work on fibrotic tissue recovery and biomaterials characterization. His research has implications for sustainable energy systems, medical diagnostics, and nanoscale device fabrication.