Table 2 DFT-LDA HOMO-LUMO gap values (in eV) for the crystalline and amorphous silica, and for the embedded Si nanocrystals
From: Silicon and Germanium Nanostructures for Photovoltaic Applications: Ab-Initio Results
SiO2 | Si10/SiO2 | Si17/SiO2 | Si32SiO2 | |
---|---|---|---|---|
Crystalline | 5.44 | 1.77 | 2.36 | 2.62 |
Amorphous | 5.40 | 1.41 | 1.79 | 1.19 |