Table 2

PL peak energy and nanocrystal size for SiO2 embedded Ge NCs

Sample

name

PL peak details

dNC (TEM) nm

Peak position (eV)

FWHM (eV)


'RS-1'

2.31-2.58

0.38-0.68

2.4 ± 0.8

'RS-2'

2.11-2.8

0.30-0.91

5.3 ± 1.3

'RS-3'

1.88

0.24

10 ± 3


dNC, nanocrystal diameter; FWHM, full width at half maxima; 'RS-1', 'RS-2', and 'RS-3', sample structures defined in Table 1; PL, photoluminescence; TEM, transmission electron microscopy.

Das et al. Nanoscale Research Letters 2012 7:143   doi:10.1186/1556-276X-7-143

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