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Title: | Raman microprobe characterization of electrodeposited S-rich CuIn(S,Se)2 for photovoltaic applications: Microstructural analysis |
Author: | Izquierdo Roca, Victor Pérez Rodríguez, Alejandro Romano Rodríguez, Albert Morante i Lleonart, Joan Ramon Álvarez García, Jacobo Calvo Barrio, Lorenzo Bermudez, V. Grand, P. P. Ramdani, O. Parissi, L. Kerrec, O. |
Keywords: | Ciència dels materials Propietats òptiques Materials science Optical properties |
Issue Date: | 22-May-2007 |
Publisher: | American Institute of Physics |
Abstract: | This article reports a detailed Raman scattering and microstructural characterization of S-rich CuIn(S,Se)2 absorbers produced by electrodeposition of nanocrystalline CuInSe2 precursors and subsequent reactive annealing under sulfurizing conditions. Surface and in-depth resolved Raman microprobe measurements have been correlated with the analysis of the layers by optical and scanning electron microscopy, x-ray diffraction, and in-depth Auger electron spectroscopy. This has allowed corroboration of the high crystalline quality of the sulfurized layers. The sulfurizing conditions used also lead to the formation of a relatively thick MoS2 intermediate layer between the absorber and the Mo back contact. The analysis of the absorbers has also allowed identification of the presence of In-rich secondary phases, which are likely related to the coexistence in the electrodeposited precursors of ordered vacancy compound domains with the main chalcopyrite phase, in spite of the Cu-rich conditions used in the growth. This points out the higher complexity of the electrodeposition and sulfurization processes in relation to those based in vacuum deposition techniques. |
Note: | Reproducció del document publicat a: http://dx.doi.org/10.1063/1.2734103 |
It is part of: | Journal of Applied Physics, 2007, vol. 101, núm. 10, p. 103517-1-103517-8 |
URI: | http://hdl.handle.net/2445/24888 |
Related resource: | http://dx.doi.org/10.1063/1.2734103 |
ISSN: | 0021-8979 |
Appears in Collections: | Articles publicats en revistes (Enginyeria Electrònica i Biomèdica) |
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