Bruce E. Koel

Professor of Chemical and Biological Engineering


Office: E-Quad, A311

Phone: 609-258-4524

Research interests: Surface processes and probes. Plasma-materials interactions: liquid metals, nanomaterials synthesis, plasma-enhanced catalysis; photoelectrocatalysis: composite and doped oxides for water splitting, carbon dioxide reduction; electrochemistry: Zn Br cells, alloy electrodes; heterogeneous catalysis: hydrocarbon conversion, olefin metathesis, hydrodeoxygenation of bio-oils, bimetallic Pt alloys; environmental remediation: sequestration by iron nanoparticles; electron and ion spectroscopy; scanning probe microscopy, STM, AFM.


  • Batteries

    Princeton startup aims to fast-track lithium battery recycling

  • Two researchers in laboratory with molecular beam equipment

    Investigating ‘fourth state of matter’ for renewable energy

  • Person smiles, standing in cafe area

    Award honors materials researcher for practicing, promoting safety

  • Image of lab apparatus

    For hydrogen power, mundane materials might be almost as good as pricey platinum

  • Professor Claire Gmachl gives a physics lecture

    New first-year courses integrate foundational math and physics with modern engineering challenges

  • Katie Kennedy on a living root bridge

    Princeton students take engineering in new directions through senior thesis projects


  • Energy and Environment


  • Professor and student work together in lab setting.

    Chemical and Biological Engineering

  • Faculty member, seated at end of row of colleagues, leads panel discussion.

    Andlinger Center for Energy and the Environment

  • Researchers, dressed in white suits, work in "clean room" lab under yellow light.

    Princeton Materials Institute

  • Student uses drill press while others observe.

    Mechanical and Aerospace Engineering