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Article Dans Une Revue Energy Procedia Année : 2015

Characterization of Al2O3 Thin Films Prepared by Thermal ALD

Résumé

Thermal Atomic Layer Deposition was used to deposit Al2O3 layers with thickness ranging from 2 to 100 nm for surface passivation of silicon solar cells. Various characterization techniques were used to evaluate the chemical, physical and optical properties of the layers and interfaces. Minority carrier lifetime around 2 ms was measured for an optimal thickness of 15 nm for as-deposited layers on high resistivity n-type silicon substrate. An annealing step at 400 degrees C increases lifetime up to 5.7ms for the same structure.

Domaines

Matériaux

Dates et versions

hal-01218293 , version 1 (20-10-2015)

Identifiants

Citer

Corina Barbos, Danièle Blanc-Pelissier, Alain Fave, Elisabeth Blanquet, Alexandre Crisci, et al.. Characterization of Al2O3 Thin Films Prepared by Thermal ALD. Energy Procedia, 2015, 77, ⟨10.1016/j.egypro.2015.07.080⟩. ⟨hal-01218293⟩
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