Effect of laser wavelength on structure and photoelectric properties of a-Si:H films crystallized by femtosecond laser pulses

M. V. Khenkin; D. V. Amasev; A. O. Dudnik; A. V. Emelyanov; P. A. Forsh; A. G. Kazanskii; R. Drevinskas; M. Beresna; P. Kazansky

doi:10.1166/jno.2014.1668

Effect of laser wavelength on structure and photoelectric properties of a-Si:H films crystallized by femtosecond laser pulses

M. V. Khenkin, D. V. Amasev, A. O. Dudnik, A. V. Emelyanov, P. A. Forsh, A. G. Kazanskii, R. Drevinskas, M. Beresna, P. Kazansky

Research output: Contribution to journal › Article › peer-review

4 Scopus citations

Abstract

Femtosecond laser processing of hydrogenated amorphous silicon is a perspective method for thin film solar cells production. It allows to make local crystallization and surface texturing of the films which results in the enhancement of their light absorption and stability of parameters. Thickness of modified material depends strongly on a laser wavelength. However laser wavelength affects also other properties of the film. Therefore here we study structure, surface morphology and photoelectric properties of hydrogenated amorphous silicon films treated by femtosecond laser pulses of different photon energies, namely above, around and below the mobility gap of amorphous silicon.

Original language	English
Pages (from-to)	728-733
Number of pages	6
Journal	Journal of Nanoelectronics and Optoelectronics
Volume	9
Issue number	6
DOIs	https://doi.org/10.1166/jno.2014.1668
State	Published - 1 Mar 2015
Externally published	Yes

Keywords

Absorption
Amorphous Silicon
Femtosecond Laser
Laser Crystallisation
Nanocrystalline Silicon
Photoconductivity

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1166/jno.2014.1668

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Khenkin, M. V., Amasev, D. V., Dudnik, A. O., Emelyanov, A. V., Forsh, P. A., Kazanskii, A. G., Drevinskas, R., Beresna, M., & Kazansky, P. (2015). Effect of laser wavelength on structure and photoelectric properties of a-Si:H films crystallized by femtosecond laser pulses. Journal of Nanoelectronics and Optoelectronics, 9(6), 728-733. https://doi.org/10.1166/jno.2014.1668

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abstract = "Femtosecond laser processing of hydrogenated amorphous silicon is a perspective method for thin film solar cells production. It allows to make local crystallization and surface texturing of the films which results in the enhancement of their light absorption and stability of parameters. Thickness of modified material depends strongly on a laser wavelength. However laser wavelength affects also other properties of the film. Therefore here we study structure, surface morphology and photoelectric properties of hydrogenated amorphous silicon films treated by femtosecond laser pulses of different photon energies, namely above, around and below the mobility gap of amorphous silicon.",

keywords = "Absorption, Amorphous Silicon, Femtosecond Laser, Laser Crystallisation, Nanocrystalline Silicon, Photoconductivity",

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AU - Khenkin, M. V.

AU - Amasev, D. V.

AU - Dudnik, A. O.

AU - Emelyanov, A. V.

AU - Forsh, P. A.

AU - Kazanskii, A. G.

AU - Drevinskas, R.

AU - Beresna, M.

AU - Kazansky, P.

PY - 2015/3/1

Y1 - 2015/3/1

N2 - Femtosecond laser processing of hydrogenated amorphous silicon is a perspective method for thin film solar cells production. It allows to make local crystallization and surface texturing of the films which results in the enhancement of their light absorption and stability of parameters. Thickness of modified material depends strongly on a laser wavelength. However laser wavelength affects also other properties of the film. Therefore here we study structure, surface morphology and photoelectric properties of hydrogenated amorphous silicon films treated by femtosecond laser pulses of different photon energies, namely above, around and below the mobility gap of amorphous silicon.

AB - Femtosecond laser processing of hydrogenated amorphous silicon is a perspective method for thin film solar cells production. It allows to make local crystallization and surface texturing of the films which results in the enhancement of their light absorption and stability of parameters. Thickness of modified material depends strongly on a laser wavelength. However laser wavelength affects also other properties of the film. Therefore here we study structure, surface morphology and photoelectric properties of hydrogenated amorphous silicon films treated by femtosecond laser pulses of different photon energies, namely above, around and below the mobility gap of amorphous silicon.

KW - Absorption

KW - Amorphous Silicon

KW - Femtosecond Laser

KW - Laser Crystallisation

KW - Nanocrystalline Silicon

KW - Photoconductivity

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JO - Journal of Nanoelectronics and Optoelectronics

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IS - 6

ER -

Effect of laser wavelength on structure and photoelectric properties of a-Si:H films crystallized by femtosecond laser pulses

Abstract

Keywords

ASJC Scopus subject areas

UN SDGs

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