High yield fabrication of fluorescent nanodiamonds.
A new fabrication method to produce homogeneously fluorescent nanodiamonds with high yields is described. The powder obtained by high energy ball milling of fluorescent high pressure, high temperature diamond microcrystals was converted in a pure concentrated aqueous colloidal dispersion of highly crystalline ultrasmall nanoparticles with a mean size less than or equal to 10 nm. The whole fabrication yield of colloidal quasi-spherical nanodiamonds was several orders of magnitude higher than those previously reported starting from microdiamonds. The results open up avenues for the industrial cost-effective production of fluorescent nanodiamonds with well-controlled properties.
Boudou
Jean-Paul
JP
Structure and Activity of Normal and Pathological Biomolecules-INSERM/UEVE U829, Université d'Evry-Val d'Essonne, Bâtiment Maupertuis, Evry, France. jpb.cnrs@free.fr
Curmi
Patrick A
PA
Jelezko
Fedor
F
Wrachtrup
Joerg
J
Aubert
Pascal
P
Sennour
Mohamed
M
Balasubramanian
Gopalakrischnan
G
Reuter
Rolf
R
Thorel
Alain
A
Gaffet
Eric
E
D002244:Carbon / Q000737:chemistry; D003102:Colloids / Q000737:chemistry; D018130:Diamond / Q000737:chemistry*; D005453:Fluorescence; D018625:Microscopy, Atomic Force; D046529:Microscopy, Electron, Transmission; D008956:Models, Chemical; D053758:Nanoparticles / Q000737:chemistry* / Q000648:ultrastructure; D036103:Nanotechnology / Q000379:methods*; D009584:Nitrogen / Q000737:chemistry; D011312:Pressure; D013696:Temperature; D014961:X-Ray Diffraction
D003102:Colloids; D002244:Carbon; D018130:Diamond; D009584:Nitrogen