Objective
STUDY OF THE POTENTIAL OF THE EPITAXIAL GROWTH OF HIGH EFFICIENCY SOLAR CELLS ON UPGRADED METALLURGICAL GRADE SILICON SUBSTRATES.
WE HAVE ALREADY SHOWN IN THE COURSE OF THE LAST YEARS THAT IN POLYCRYSTALLINE SILICON OF METALLURGICAL ORIGIN DEEP LEVEL IMPURITIES COULD BE REMOVED EFFICIENTLY BY A SUITABLY PERFORMED CRYSTALLIZATION AND THAT, THEREFORE, THE ELECTRICAL PROPERTIES OF THIS MATERIAL ARE DOMINATED BY MICROSTRUCTURAL FEATURES AND BY NATIVE IMPURITIES SEGREGATION AT EXTENDED DEFECTS (GRAIN BOUNDARIES AND DISLOCATIONS).
AIM OF THE WORK CARRIED OUT IN THE LAST YEAR WAS TO DEMONSTRATE AN ONE TO ONE CORRESPONDENCE BETWEEN SEGREGATION FEATURES AT GRAIN BOUNDARIES AND ELECTRICAL ACTIVITY.
TO THIS SCOPE, MORPHOLOGICAL AND ELECTRICAL CHARACTERIZATION OF POLYCRYSTALLINE SAMPLE WAS CARRIED OUT, THESE LAST SELECTED FOR THEIR APPROPRIATE OXYGEN TO CARBON RATIOS.
SIMS AND LBIC CHARACTERIZATION WAS FOUND APPROPRIATE FOR LOCAL CHEMICAL AND ELECTRICAL FEATURES DETERMINATION, WHILE A COMPARISON OF THE SECONDARY ELECTRONS MAP WITH THE EBIC MAP OF THE SAME SAMPLE WAS USED TO OBTAIN A MEASURE OF THE PARAMETER TR WHICH IS A MEASURE OF THE AVERAGE RECOMBINATION EFFICIENCY OF A SPECIFIC SAMPLE.
THE EXPERIMENTAL RESULTS SHOW THAT TR VALUES ENTIRELY DPEND ON THE EXCESS OF OXYGEN VS CARBON CONTENT.
IT FITS ALSO QUITE WELL WITH THE DEPENDENCE OF THE DIFFUSION LENGTH OF MINORITY CARRIERS ON THE OXYGEN EXCESS, TAKING A MINIMUM VALUE WHEN LD PEAKS TO ITS MAXIMUM VALUE.
Fields of science (EuroSciVoc)
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
CORDIS classifies projects with EuroSciVoc, a multilingual taxonomy of fields of science, through a semi-automatic process based on NLP techniques. See: The European Science Vocabulary.
- agricultural sciences agriculture, forestry, and fisheries agriculture grains and oilseeds
- engineering and technology materials engineering coating and films
- natural sciences chemical sciences inorganic chemistry metalloids
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Programme(s)
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Multi-annual funding programmes that define the EU’s priorities for research and innovation.
Topic(s)
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Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.
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Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
Funding Scheme
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Funding scheme (or “Type of Action”) inside a programme with common features. It specifies: the scope of what is funded; the reimbursement rate; specific evaluation criteria to qualify for funding; and the use of simplified forms of costs like lump sums.
Coordinator
20133 MILANO
Italy
The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.