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Fabrication of an ant-nest nanostructure in polycrystalline silicon thin films for solar cells.
- Source :
-
Scripta Materialia . Dec2014, Vol. 92, p27-30. 4p. - Publication Year :
- 2014
-
Abstract
- A silicon nanostructure is fabricated in polycrystalline silicon thin films by metal-assisted wet chemical etching using thermally annealed silver nanoparticles as a catalyst. The Si nanostructure has an ant-nest feature. Solar cells based on the silicon nanostructure gives 90% short-circuit current enhancement compared to the cells based on the planar film. We also report that Al 2 O 3 passivation of the silicon nanostructure provides a new approach to improving the polycrystalline silicon thin film’s electrical property. The open-circuit voltage of the Al 2 O 3 passivated cells is improved by 70 mV. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 13596462
- Volume :
- 92
- Database :
- Academic Search Index
- Journal :
- Scripta Materialia
- Publication Type :
- Academic Journal
- Accession number :
- 98664993
- Full Text :
- https://doi.org/10.1016/j.scriptamat.2014.08.006