Reference : Optical properties and structure of nanodiamonds
Scientific journals : Article
Engineering, computing & technology : Electrical & electronics engineering
Physical, chemical, mathematical & earth Sciences : Chemistry
http://hdl.handle.net/2268/109667
Optical properties and structure of nanodiamonds
English
Raty, Jean-Yves mailto [Université de Liège - ULg > Département de physique > Physique de la matière condensée >]
Galli, G. [> > > >]
1-Oct-2005
Journal of Electroanalytical Chemistry
Elsevier Science Sa
584
1 Sp. Iss. SI
9-12
Yes (verified by ORBi)
International
0022-0728
Lausanne
[en] nanoparticle ; diamond ; fullerene ; absorption ; ab initio simulation
[en] We present a theoretical study of the structure and optical properties of nanodiamonds. Using ab initio molecular dynamics simulation, we confirm that quantum confinement effects become negligible between 2 and 3 nm in size. In this size domain, specific surface reconstructions occur upon sample dehydrogenation, leading to fullerene-capped structures, or 'bucky diamonds' with absorption spectra similar to the experiment. We finally show that the HOMO and LUMO states are interface states in the reconstructed structures. (c) 2004 Elsevier B.V.. All rights reserved.
http://hdl.handle.net/2268/109667
10.1016/j.jelechem.2004.10.032

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