Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 140, Issue 4, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4864120
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Funding
- National Science Council of Taiwan [NSC102-2113-M-009-003]
- Aiming to the Top University Project of Ministry of Education in Taiwan
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Raman spectroscopy of nano-scale materials is facing a challenge of developing a physically sound quantitative approach for the phonon confinement effect, which profoundly affects the phonon Raman band shapes of small particles. We have developed a new approach based on 3-dimensional phonon dispersion functions. It analyzes the Raman band shapes quantitatively in terms of the particle size distributions. To test the model, we have successfully obtained good fits of the observed phonon Raman spectra of diamond nanoparticles in the size range from 1 to 100 nm. (C) 2014 AIP Publishing LLC.
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