Combined electron backscatter diffraction and cathodoluminescence measurements on CuInS{sub 2}/Mo/glass stacks and CuInS{sub 2} thin-film solar cells

Journal Article · Fri Jan 15 00:00:00 EST 2010 · Journal of Applied Physics

DOI:https://doi.org/10.1063/1.3275046· OSTI ID:21476084

Abou-Ras, D; Nichterwitz, M; Unold, T; Klaer, J; Schock, H -W ^[1]; Jahn, U ^[2]

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1. Helmholtz-Zentrum Berlin fuer Materialien und Energie, Glienicker Strasse 100, 14109 Berlin (Germany)
2. Paul-Drude Institute for Solid-State Electronics, Hausvogteiplatz 5-7, 10117 Berlin (Germany)

Electron backscatter diffraction (EBSD) and cathodoluminescence (CL) measurements in a scanning electron microscope were performed on cross sections of CuInS{sub 2} thin films and ZnO/CdS/CuInS{sub 2}/Mo/glass thin-film solar cells. The CuInS{sub 2} layers analyzed for the present study were grown by a rapid thermal process. The regions of the CuInS{sub 2} layers emitting high CL intensity of band-band luminescence are situated near the top surface (or close to the interface with ZnO/CdS). This can be attributed to an enhanced crystal quality of the thin films in this region. The phenomenon may be related to the recrystallization via solid-state reactions with Cu{sub x}S phases, which is assumed to run from the top to the bottom of the growing CuInS{sub 2} layer. The distribution of CL intensities is independent of the sample temperature, the acceleration voltage of the electron beam, and of whether or not the ZnO/CdS window layers are present. When comparing CL images and EBSD maps on identical sample positions, pronounced intragrain CL contrast is found for individual grains. Also, it is shown that at random grain boundaries, the decreases in CL intensities are substantially larger than at {Sigma}3 grain boundaries.

• OSTI ID: 21476084
• Journal Information: Journal of Applied Physics, Vol. 107, Issue 1; Other Information: DOI: 10.1063/1.3275046; (c) 2010 American Institute of Physics; ISSN 0021-8979
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
CADMIUM SULFIDES
CATHODOLUMINESCENCE
COPPER SULFIDES
CRYSTALS
DEPOSITION
ELECTRON BEAMS
ELECTRON DIFFRACTION
GLASS
GRAIN BOUNDARIES
INDIUM SULFIDES
INTERFACES
MOLYBDENUM
RECRYSTALLIZATION
SCANNING ELECTRON MICROSCOPY
SEMICONDUCTOR MATERIALS
SOLAR CELLS
SOLIDS
SPUTTERING
THIN FILMS
ZINC OXIDES
BEAMS
CADMIUM COMPOUNDS
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
DIFFRACTION
DIRECT ENERGY CONVERTERS
ELECTRON MICROSCOPY
ELEMENTS
EMISSION
EQUIPMENT
FILMS
INDIUM COMPOUNDS
INORGANIC PHOSPHORS
LEPTON BEAMS
LUMINESCENCE
MATERIALS
METALS
MICROSCOPY
MICROSTRUCTURE
OXIDES
OXYGEN COMPOUNDS
PARTICLE BEAMS
PHOSPHORS
PHOTOELECTRIC CELLS
PHOTON EMISSION
PHOTOVOLTAIC CELLS
REFRACTORY METALS
SCATTERING
SOLAR EQUIPMENT
SULFIDES
SULFUR COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
ZINC COMPOUNDS