On the texturization of monocrystalline silicon with sodium carbonate solutions

The texturization of monocrystalline silicon wafers using sodium carbonate solution has been investigated. This etching process has been evaluated in terms of the surface morphology and the reflectance value. The results show that for low concentration of sodium carbonate the increase of texturing t...

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Veröffentlicht in:Solar energy 2007-05, Vol.81 (5), p.565-569
Hauptverfasser: Vallejo, B., González-Mañas, M., Martínez-López, J., Caballero, M.A.
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container_end_page 569
container_issue 5
container_start_page 565
container_title Solar energy
container_volume 81
creator Vallejo, B.
González-Mañas, M.
Martínez-López, J.
Caballero, M.A.
description The texturization of monocrystalline silicon wafers using sodium carbonate solution has been investigated. This etching process has been evaluated in terms of the surface morphology and the reflectance value. The results show that for low concentration of sodium carbonate the increase of texturing time decreases the reflectance value because of the change in morphology from hillocks to pyramidal; on the contrary for intermediate and high concentrations the increase of time has a detrimental effect on texturization because it increases both the pyramid sizes and their non-uniform distribution. However, a good cell performance could be obtained by etching at high concentrations and short times.
doi_str_mv 10.1016/j.solener.2007.02.002
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subjects Applied sciences
Carbon
Chemical compounds
Energy
Exact sciences and technology
Monocrystalline silicon
Natural energy
Photovoltaic conversion
Reflectance
Silicon
Sodium
Sodium carbonate
Solar cells. Photoelectrochemical cells
Solar energy
Texturization
title On the texturization of monocrystalline silicon with sodium carbonate solutions
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