Evaluation of EBIC images at grain boundaries
Conference
·
· Conf. Rec. IEEE Photovoltaic Spec. Conf.; (United States)
OSTI ID:5320041
A physically appropriate model for EBIC images in polycrystalline semiconductors is developed. EBIC signals are calculated for a set of parameters ranging from 1 to 200..mu..m for the diffusion length of the grain and 5 to 60keV for the electron beam energy. Experiments on large-grain Si solar cells are performed and compared with theory. The experimental and calculated profiles agree within 2%. The analysis of the profile allows determination of the diffusion length in the grain and of the grain boundary recombination velocity.
- Research Organization:
- Max-Planck-Institut fur Festkorperforschung, Stuttgart
- OSTI ID:
- 5320041
- Report Number(s):
- CONF-820906-
- Journal Information:
- Conf. Rec. IEEE Photovoltaic Spec. Conf.; (United States), Journal Name: Conf. Rec. IEEE Photovoltaic Spec. Conf.; (United States); ISSN CRCND
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
14 SOLAR ENERGY
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
BEAMS
CRYSTAL STRUCTURE
CRYSTALS
DIFFUSION LENGTH
DIMENSIONS
DIRECT ENERGY CONVERTERS
ELECTRON BEAMS
ELECTRON MICROSCOPY
ELEMENTS
EQUIPMENT
GRAIN BOUNDARIES
GRAIN SIZE
IMAGE PROCESSING
IMAGES
LENGTH
LEPTON BEAMS
MICROSCOPY
MICROSTRUCTURE
PARTICLE BEAMS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
POLYCRYSTALS
PROCESSING
RECOMBINATION
SCANNING ELECTRON MICROSCOPY
SEMIMETALS
SILICON
SILICON SOLAR CELLS
SIZE
SOLAR CELLS
SOLAR EQUIPMENT
140501* -- Solar Energy Conversion-- Photovoltaic Conversion
BEAMS
CRYSTAL STRUCTURE
CRYSTALS
DIFFUSION LENGTH
DIMENSIONS
DIRECT ENERGY CONVERTERS
ELECTRON BEAMS
ELECTRON MICROSCOPY
ELEMENTS
EQUIPMENT
GRAIN BOUNDARIES
GRAIN SIZE
IMAGE PROCESSING
IMAGES
LENGTH
LEPTON BEAMS
MICROSCOPY
MICROSTRUCTURE
PARTICLE BEAMS
PHOTOELECTRIC CELLS
PHOTOVOLTAIC CELLS
POLYCRYSTALS
PROCESSING
RECOMBINATION
SCANNING ELECTRON MICROSCOPY
SEMIMETALS
SILICON
SILICON SOLAR CELLS
SIZE
SOLAR CELLS
SOLAR EQUIPMENT