Functional Materials, 23, No.2 (2016), p.268-273.
A semiempirical description of functionalized nanodiamonds with NV- color centers
1 SSI Institute of Single Crystals , National Academy of Sciences of Ukraine, 60 Nauky Ave., 61078 Kharkiv, Ukraine
2B.Stepanov Institute of Physics, National Academy of Sciences of Belarus, 68 Prosp. Nezavisimosti, 220072 Minsk, Belarus
3Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, 13 Surganova Str., 220072 Minsk, Belarus
4Belarusian State University of Informatics and Radioelectronics, 6 P.Brovki Str., 220013 Minsk, Belarus
Possibilities of semiempirical AM1 method in descripting the nanodiamond spectral properties are investigated with the stress on the relevant functionalized systems containing nitrogen-vacancy color centers. We studied two types of functionalization - hydroxylation and fluorination of the nanodiamond surface. It is shown that only slight spectral shifts occur (batochromic shifts in case of the hydroxylation, and hypsochromic ones in case of the fluorination). The semiempirical approach demonstrates the ability to easily and simply handle nanoclusters with hundreds carbon atoms.
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