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Efficient production of NV colour centres in nanodiamonds using high-energy electron irradiation

G. Dantelle, A. Slablab, L. Rondin, F. Lainé, F. Carrel, Ph. Bergonzo, S. Perruchas, T. Gacoin, F. Treussart , and J.-F. Roch; acte de la conférence « Hole-Burning and Single Molecule 2009 », 20-27 juin 2009, Palm Cove, Australie; J. Lumin (2009), doi:10.1016/j.jlumin.2009.12.003

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Nanodiamond powders with an average size of 50 nm have been irradiated using high-energy electron beam. After annealing and chemical treatment, nanodiamond colloidal solutions were obtained and deposited on silica coverslips by spin-coating. The fluorescence of nanodiamond films was studied by confocal microscopy together with atomic force microscopy. We evaluated the proportion of luminescent nanodiamonds as a function of the irradiation duration and showed that large quantities, exceeding hundreds of mg, of luminescent nanodiamonds can be produced with than one hour of electron irradiation.

actes de la conférence « Hole-Burning and Single Molecule 2009 », 20-27 juin 2009, Palm Cove, Australie

doi:10.1016/j.jlumin.2009.12.003
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