Enhanced optical properties of Si nanocrystals in planar microcavity
β Scribed by Kimiaki Toshikiyo; Minoru Fujii; Shinji Hayashi
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 97 KB
- Volume
- 17
- Category
- Article
- ISSN
- 1386-9477
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Si nanocrystals (Si-ncs) embedded in SiO 2 /SiN x multilayer structures can be of interest for optoelectronic devices such as solar cells. However, controlling the size and density of the Si-ncs is strongly requested for an efficient use in a functioning solar cell device. In this work, SiO 2 and S
We have investigated thermalization, trapping and recombination processes of carriers in Si nanocrystals embedded in a SiO 2 matrix. The study has been performed using time-resolved optical techniques of photoluminescence and induced absorption, allowing for 17 ps and 150 fs resolution, respectively