New chip hides wireless messages in plain sight : Read Story Princeton researchers have developed a method to foil eavesdroppers by building security into the physical nature of wireless transmissions. Read Story Ultra-thin design boosts durability of high-performance, low-cost solar cells : Read Story Using materials known as perovskites, Princeton researchers helped develop ultra-thin material layers, only a few nanometers thick, shown above in vertically stacked sheets. Read Story Ultra-pure semiconductor opens new frontier in the study of electrons : Read Story Princeton researchers created the world's purest sample of gallium arsenide, a semiconductor used in specialized systems such as satellites. Read Story Thin-film, high-frequency antenna array offers new flexibility for wireless communications : Read Story Princeton researchers have developed a new type of phased array antenna based on large-area electronics technology. Read Story Controlling heat opens door for next-generation lighting and displays in perovskite LEDs : Read Story Light-emitting diodes, or LEDs, are nearly ubiquitous in modern life, providing the brightness in phone displays, televisions, and lights. Read Story 1 / 5 Start animation ▶ ︎ ︎ The interaction of light with matter and the development of novel materials that can manipulate light are foundational for numerous applications in sensing, communication, materials processing and characterization, imaging, and other technologies. The Princeton Materials Institute faculty are leading the way in developing novel optical material architectures and using the interactions of light and materials in new and exciting ways that advance both technology and fundamental science. Associated Faculty Craig B. Arnold Susan Dod Brown Professor of Mechanical and Aerospace Engineering. Vice Dean for Innovation in the Office of the Dean for Research. Co-Leader, Princeton Alliance for Collaborative Research and Innovation. Stephen Y. Chou Joseph C. Elgin Professor of Engineering. Professor of Electrical and Computer Engineering. Nathalie P. de Leon Associate Professor of Electrical and Computer Engineering Jason W. Fleischer Professor of Electrical and Computer Engineering Claire F. Gmachl Eugene Higgins Professor of Electrical and Computer Engineering. Associate Chair, Department of Electrical and Computer Engineering. Head of Whitman College. M. Zahid Hasan Eugene Higgins Professor of Physics Andrew A. Houck Anthony H.P. Lee '79 P11 P14 Professor of Electrical and Computer Engineering. Inaugural Co-director, Princeton Quantum Initiative. Alice Kunin Assistant Professor of Chemistry Michael G. Littman Professor of Mechanical and Aerospace Engineering Yueh-Lin (Lynn) Loo Theodora D. '78 and William H. Walton III '74 Professor in Engineering. Professor of Chemical and Biological Engineering. Marcella Lusardi Assistant Professor of Chemical and Biological Engineering and Princeton Materials Institute Jyotirmoy Mandal Assistant Professor of Civil and Environmental Engineering Iain McCulloch Gerhard R. Andlinger '52 Professor in Energy and Environment. Professor of Electrical and Computer Engineering and Andlinger Center for Energy and the Environment. Director of the Andlinger Center for Energy and the Environment. Julia Mikhailova Associate Professor of Mechanical and Aerospace Engineering Loren N. Pfeiffer Senior Research Scholar, Electrical and Computer Engineering Paul R. Prucnal Professor of Electrical and Computer Engineering Herschel A. Rabitz Charles Phelps Smyth '16 *17 Professor of Chemistry Barry P. Rand Professor of Electrical and Computer Engineering and Andlinger Center for Energy and the Environment. Associate Director for External Partnerships, Andlinger Center for Energy and the Environment. Alejandro W. Rodriguez Professor of Electrical and Computer Engineering. Director, Program in Materials Science and Engineering. Gregory D. Scholes William S. Tod Professor of Chemistry. Chair, Department of Chemistry. Kaushik Sengupta Professor of Electrical and Computer Engineering Aditya Sood Assistant Professor of Mechanical and Aerospace Engineering and the Princeton Materials Institute Jeffrey D. Thompson Associate Professor of Electrical and Computer Engineering Salvatore Torquato Lewis Bernard Professor of Natural Sciences. Professor of Chemistry and the Princeton Materials Institute. Marissa L. Weichman Assistant Professor of Chemistry Gerard Wysocki Associate Professor of Electrical and Computer Engineering Saien Xie Assistant Professor of Electrical and Computer Engineering and the Princeton Materials Institute Nan Yao Professor of the Practice, Princeton Materials Institute. Director, Imaging and Analysis Center. Mark A. Zondlo Professor of Civil and Environmental Engineering. Director of Graduate Studies.