High Quantum Efficiency Ultrananocrystalline Diamond Photocathode: Negative Electron Affinity Meets $n$-doping

K. J. Pérez Quintero, S. Antipov, A. V. Sumant +3

We report results of quantum efficiency (QE) measurements carried out on a 150 nm thick nitrogen-incorporated ultrananocrystalline diamond terminated with hydrogen; abbreviated as…