Table 1
Chemisorption energies of adsorption NH3 on SiNWs to different facets
Growth orientations	Bandgap	Facet {110}	Facet {100}	Facet {111}
[112]	1.76, indirect	0.40	N/A	0.21
[110]	1.41, direct	0.33	0.30	N/A
[001]	1.89, direct	0.33	0.22	N/A
[111]	1.78, indirect	0.24	N/A	N/A

Miranda et al. Nanoscale Research Letters 2012 7:308   doi:10.1186/1556-276X-7-308