Solar cell implemented with silicon nanowires on pyramid-texture silicon surface
- Authors
- Lee, In-Ji; Paik, Ungyu; Park, Jea-Gun
- Issue Date
- May-2013
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Silicon solar cells; Photovoltaics; Nanowire; Texture; Electro-less etching
- Citation
- SOLAR ENERGY, v.91, pp.256 - 262
- Indexed
- SCIE
SCOPUS
- Journal Title
- SOLAR ENERGY
- Volume
- 91
- Start Page
- 256
- End Page
- 262
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/162868
- DOI
- 10.1016/j.solener.2013.02.010
- ISSN
- 0038-092X
- Abstract
- We investigated how silicon nanowires affected the photovoltaic performance of silicon solar cells with a pyramid textured surface. The diameter and height of silicon nanowires increased and reached saturation with electro-less etching time after Ag nanoparticle deposition. As a result, the amount of light absorbance increased with electro-less etching time while the effective minority-carrier recombination lifetime decreased with increasing electro-less etching time. The dependencies of light absorbance amount and effective minority-carrier recombination lifetime on electro-less etching time meant that a maximum power-conversion efficiency (PCE) was achieved at a specific electro-less etching time, similar to 2 min, to produce silicon nanowires similar to 52 mu m in diameter and similar to 221 mu m in height.
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