Optical and photoelectron spectroscopic studies of alkyl-passivated silicon nanoparticlesA. Tanaka, R. Saito, T. Kamikake, M. Imamura and H. YasudaEur. Phys. J. D, 43 1-3 (2007) 229-232DOI: https://doi.org/10.1140/epjd/e2007-00103-0