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Article

Open Access

Physical Properties and Light-Related Applications of Black Silicon Structures

Author(s)

Emil Pincik^1*, Hikaru Kobayashi², Róbert Brunner¹, Kentaro Imamura², Milan Mikula³, Michal Kucera⁴, Pavel Vojtek⁵, Zuzana Zabudla⁵, PeterSvec Sr¹, Ján Gregus⁵ and PeterSvec Jr¹

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DOI:10.17265/2161-6221/2016.5-6.004

Affiliation(s)

1. Institute of Physics, SAS, Dubravska cesta 9, 845 11 Bratislava, Slovak Republic
2. Institute of Scientific and Industrial Research, Osaka University and CREST, 8-1 Mihogaoka, Ibaraki, Osaka 567-0047, Japan
3. Faculty of Chemical and Food Technology of STU, Radlinského 9, 812 37 Bratislava, Slovak Republic
4. Institute of Electrical Engineering SAS, Dubravska cesta 9, 841 04 Bratislava, Slovak Republic
5. Faculty of Mathematics, Physics, and Informatics of Comenius University, Mlynska Dolina, F2, 842 48 Bratislava, Slovak Republic

ABSTRACT

This contribution deals with the black silicon (BS) nanocrystalline specimens produced using the surface structure chemical transfer method (SSCT). This method can produce a nanocrystalline Si black color layer on c-Si with a thickness range of ~50 nm to ~300 nm via the contact of c-Si immersed in the chemical solution HF + H₂O₂ with a catalytic mesh. The photoluminescence properties are related to the formation of nanocrystals, the structural properties of which are similar to those formed on the back of a sawn Si wafer and the resulting splitting of large Si crystals. X-ray diffraction of the Si front and back sides confirms the dominant reflection of the 311 Si crystalline planes. We suppose that the formation of the black silicon over-layer is pre-determined by the crystalline defects induced by the applied sawing procedure, even though saw damage (defects introduced by the applied sawing procedure) is not necessary for the SSCT method. The formation of the pn type Si solar cell is presented, including black silicon over-layer and without

antireflection coating, with efficiency of ~19.1%.

KEYWORDS

Photoluminescence, black silicon, solar cell.

Cite this paper

References

Physical Properties and Light-Related Applications of Black Silicon Structures

Emil Pincik1*, Hikaru Kobayashi2, Róbert Brunner1, Kentaro Imamura2, Milan Mikula3, Michal Kucera4, Pavel Vojtek5, Zuzana Zabudla5, PeterSvec Sr1, Ján Gregus5 and PeterSvec Jr1

Emil Pincik^1*, Hikaru Kobayashi², Róbert Brunner¹, Kentaro Imamura², Milan Mikula³, Michal Kucera⁴, Pavel Vojtek⁵, Zuzana Zabudla⁵, PeterSvec Sr¹, Ján Gregus⁵ and PeterSvec Jr¹