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Full Description
The EC programme on Photovoltaic Power Generation has two distinct parts pilot Projects and R&D contracts on cells, processes, materials, IOOdules and systems. The pilot projects are managed in a totally different w‾ fran the R&D contracts. Enphasis ,is put on all aspects of the system such as pcwer conditioning, environmental factors, structures, etc. The aim is to examine all different system aspects, to inprove the performance and the reliability of the overall photovoltaic system and to reduce its cost. A canprehensive overview of the PV pilot programme of the European Gammunities was given in volume 1 of this Series C. R&D contracts, on the other hand, are intended to advance our kn0w- The ledge on all canponents in order to reduce the cost, mainly of the photovoltaic IOOdules. This book reports on the results presented at the sixth contractors' meeting, held about six IlDnths before the end of the current R&D programme.
Contents
Review Papers.- Review paper on ?ilicon cells.- Review paper on thin film solar cells.- Review paper on photovoltaic module technology, system studies and concentrator devices.- Silicon Cells.- a) Cell process development.- Development of new techniques for silicon solar cell fabrication.- Study of mono- or polycrystalline solar cell process using screen printing technology.- Technology of amorphous silicon thin films for solar cells and applications to power systems.- b) Ion implantation.- Ion implantation without mass analysis and laser annealing for fabrication of silicon solar cells.- Investigation on the potentiality offered by ion implantation and electron beam annealing to obtain high efficiency solar cells.- An experimental investigation of ion implantation combined with laser and incoherent-light annealing, and of laser-induced diffusion for the production of solar cells.- Optimization of polycrystalline silicon solar cells produced by ion-implantation and pulsed laser annealing.- Low cost implantation into silicon.- c) Material.- Design, construction and optimization on the industrial prototype scale of a furnace able to produce polycrystalline silicon ingots as material for solar cells.- Classification of crystal defects in solar base material with diamond lattice.- Implementation of low cost semi crystalline silicon solar cells.- Optimization of processing conditions of solar cells versus physical properties of relatively low cost silicon.- Continuous production of photovoltaic silicon ribbons by the new pendant drop growth (PDG) method.- Growth and solar cell aspects in relation to polycrystalline silicon ribbons grown by the RAD process.- d) Modules.- Studies relating to new encapsulation materials.- Encapsulation of photovoltaic solar cell modules.- R&Dwork on the encapsulation of solar cells with improved potting and cover materials.- Alternative Celts.- a) ? — Si.- Photogeneration in amorphous silicon solar cells.- Atomic transport in and stability of amorphous silicon solar cells.- Generateur photovoltaïque au silicium amorphe hydrogène.- Development of sputtered thin-film a-Si solar cells.- Preparation, study and characterization of hydrogenated amorphous silicon for photovoltaic cells.- b) CdS - Cu2S.- Studies to improve the efficiency of Cu2S-CdS spray solar cells.- Electrochemical preparation of cuprous sulfide.- Electrophoretically deposited thin films for low cost solar cells.- c) CdSe.- Development of a CdSe thin film solar cell.- System Studies.- Optimization research into a complete photovoltaic generator/consumer appliance system for small independent electricity supply.- Development of a microcomputer for the control of a photovoltaic power station.- Feasibility study for small solar cell operated units.- Photovoltaic system for a solar house.- Hybrid thermal and photovoltaic concentration collector.- Concentration.- Test and demonstration of concentrating photovoltaic generators SOPHOCLE under Mediterranean climatic conditions.- Conversion of solar energy using fluorescent collectors: installation of a test collector to deliver several watts power.- Holographic thin film system for multijunction solar cells.- High concentration P.V. 100 Wp module making use of spectrum splitting and Si-GaAlAs coupled cells.- List of Participants.
