Objective
THE PRESENT RESEARCH PROGRAM DEALS WITH THE H CHARACTERIZATION OF THIN FILMS OF A-SI:H, INTRINSIC, DOPED AND ALLOYED. THE METHOD USED STANDS IN THE PROGRESSIVE THERMAL DEGRADATION, WHICH APPLIES TO ANY TYPE OF HYDROGENATED THIN FILMS AND CONSTITUTES A VERY USEFULL APPROACH FOR THE STUDY OF THEIR RELIABILITY THROUGH THEIR H STABILITY. IT ALSO PROVIDES THE H CONTENT AND ALLOWS TO DETECT H SITES OF DIFFERENT STABILITIES. MOREOVER IT INFORMS ABOUT THE FILMS MICROSTRUCTURE, EVIDENCING THE EVENTUAL PRESENCE OF TWO PHASES, A POROUS - LOW DENSITY- ONE WITH INTERCONNECTED MICROVOIDS AND RICH IN WEAK H SITES (WHS) AND ANOTHER ONE OF HIGHER DENSITY. THESE INFORMATIONS ARE OF PRIME IMPORTANCE IN ORDER TO OPTIMIZE THE TECHNOLOGICAL PARAMETERS FOR A STILL NECESSARY IMPROVEMENT OF THE FILMS PERFORMANCES. IT IS WELL KNOWN THAT THE H PLAYS AN INDISPENSABLE ROLE BY REDUCING THE DENSITY OF ELECTRONIC DEFECTS. IT IS THUS CRUCIAL TO STUDY ITS STABILITY TO IMPROVE THE DEVICES ENDURANCE, IN PARTICULAR AGAINST SUN DAMAGE IN SOLAR CELLS.
THE STUDIES UNDERTAKEN HAVE EVIDENCED DIVERSE CORRELATIONS BETWEEN THE FILMS H CHARACTERISTICS AND THE TECHNOLOGICAL PARAMETERS, THEREFORE ALLOWING TO SELECT THEM IN WAY TO MINIMIZE THE PROPORTION OF WHS, THUS IMPROVING THE FILMS STABILITY. BESIDES, THE RESULTS OBTAINED ALONG THIS THREE YEARS RESEARCH PROGRAM HAVE ALLOWED US TO DEVELOP A MODEL FOR THE ANTURE AND THE DEGRADATION MECHNAISM OF THE WHS. IT IS PROPOSED THAT THE WHS OF THE LIGHT-INDUCED DEGRADATION IS THE SAME AS THE ONE FO THE THERMAL DEGRADATION, A WHS BEING FROMED EACH TIME TWO SI-H BONDS ARE IN CLOSED CONTACT, WHICH ALLOWS THEM TO REACT WHEN ACTIVATED. WHS ARE THUS CONSTITUED BY PAIRS OF NEIGHBORING H BONDS, MOJORITALY LOCATED ON THE MICROVOIDS WALL. CONSEQUENTLY THE REDUCTION OF THESE WHS IMPLIES THE REDUCTION OF THE MICROVOIDS POPULATION, WHICH IN TURN REQUIRES THE CONTROL OF THE MICROSTRUCTURE DURING FILMS GROWTH, AN ESSENTIAL PRECURSOR TO THE MASTERING OF THE IMPROVEMENT OF THE FILMS PERFORMANCES AND THEIR STABILITY.
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.
- engineering and technology materials engineering amorphous solids amorphous semiconductors
- 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)
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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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.
Call for proposal
Procedure for inviting applicants to submit project proposals, with the aim of receiving EU funding.
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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
BARCELONA
Spain
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.