Objective
The aim of the work is to deal with the main difficulties involved in the Plasma Assisted Chemical Vapour Deposition (PA-CVD) of amorphous hydro-generated silicon (a-Si:H)
Research has been carried out in order to deal with the main difficulties involved in the plasma assisted chemical vapour deposition (PA-CVD) of amorphous hydrogenerated silicon. The study involves correlating the amorphous film quality with microscopic rather than macroscopic plasma parameters while continuously developing the deposition process. Results so far have shown that poor photon absorption in very thin amorphous silicon enhances photostability but decreases conversation efficiency. This problem was solved by using multijunction cells to absorb a larger spectrum.
The idea that stands behind our approach is to correlate the amorphous film quality with microscopic, rather than macroscopic, plasma parameters while continuously developing the deposition process. Our approach is outlined in the following table:
1) Improvement required:
1.1 Enhancement of the deposition rate
1.2 Enhancement of film characteristics
- Film uniformity
- Film quality
2) Use of extensive diagnostics for the:
2.1 Elucidation of mechanism
2.2 Modelling
2.3 Effective process control
3) Modification of the process
3.1 Modification of plasma characteristics
- Geometrical effects
- Frequency effects
3.2 Modification of the feed gas
- Dilution effects
- Use of Disilane
3.3 Alternative and similar materials
- Application to a-Si:Ge
- Application to a-Si:C
- Application to a-Si:F:H
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
- natural sciences physical sciences plasma physics
- natural sciences chemical sciences inorganic chemistry metalloids
- natural sciences physical sciences theoretical physics particle physics photons
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Programme(s)
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Multi-annual funding programmes that define the EU’s priorities for research and innovation.
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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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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
26500 PATRAS
Greece
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.