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Elektronika : konstrukcje, technologie, zastosowania
PL Niniejsza praca omawia możliwości użycia kwasu H3PO4, jako źródła domieszki donorowej do krzemu typu p w kontekście zastosowania otrzymanej struktury w celu wytwarzania krzemowych ogniw słonecznych metodą produkcji ciągłej. Opracowaną metodą uzyskano emiter typu n o żądanych w[...]
EN This paper discusses the possibility of application of H3PO4, acid in a spray source of dopant donor into the p type silicon. The method can be used in production of silicon solar cells in a continuous manufacturing process. The n-type emitter was obtained by this procedurę le[...]
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Journal of Automation Mobile Robotics and Intelligent Systems
EN Optically homogeneous double-coated of GeO2 -SiO2 films, sodoped by ions of silver and cerium were fabricated with use sol-gel of a method, using tetraethylorthogermanate (TEOG) and tetraethylorthosilicate (TEOS) as precursors for germania and silica, respectively. According to data IR-spectroscopy [...]
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Elektronika : konstrukcje, technologie, zastosowania
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Elektronika : konstrukcje, technologie, zastosowania
PL W pracy zbadano wpływ regularności ułożenia standardowej, piramidalnej tekstury, powstającej w wyniku anizotropowego trawienia krzemu w roztworach alkalicznych, na współczynniki odbicia światła. Przebadano dwa parametry: stopień pokrycia powierzchni teksturą i rozrzut wielkości piramid.
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Elektronika : konstrukcje, technologie, zastosowania
EN Epitaxial structures made from 3 different materials act as photovoltaic solar cells in different spectrum ranges. Their electrical parameters are still improved by optimization of technological processes. We also plan to interconnect the separate junction with the stacked triple junction cell by tu[...]
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Elektronika : konstrukcje, technologie, zastosowania
EN Emission of NIR light from Yb³⁺ ions after excitation of the Tb³⁺ was observed indicating existence of transfer mechanisms. Relative intensities of these down-conversion and down-shifting via single Yb³⁺ ion mechanisms is yet to be established. Efficient down-shifting resulting in visible light emis[...]
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Elektronika : konstrukcje, technologie, zastosowania
EN This paper briefly presents the main scientific directions and measurement opportunities of the staff from Laboratory of Optoelectrical Diagnostics of Nanomaterials situated at Wroclaw Univeristy of Technology. All discussed thin oxide films based on TiO₂ were prepared by High Energy Reactive Magnet[...]
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Elektronika : konstrukcje, technologie, zastosowania
EN The spin coating method allows the deposition of the uniform thin films. The process is dependent primarily on the correct preparation of the solution. In view of consideration both the results of surface topography and the absorbance of the best results were obtained for the thin film deposited at [...]
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Elektronika : konstrukcje, technologie, zastosowania
EN The work referred to research on the factors which may contribute to decrease the efficiency of solar cells. Progressive degradation process for multi- and mono -crystalline solar cells was observed. Optical measurements showed that effective reflectance is worse for mc-Si than Cz-Si cells although [...]
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Elektronika : konstrukcje, technologie, zastosowania
EN This paper presents the influence of the AP-MOVPE epitaxial process growth temperature on the optical and structural properties of heterostructures containing InGaAsN quantum wells. The best optical and structural features were observed for MQW structure grown in highest temperature. This structure [...]
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Optica Applicata
2011 Vol. 41, nr 2 487--492
EN In this work, the authors compared the properties of multicrystalline silicon solar cells which depended on the kind of following antireflective layers: a-Si:C:H, a-Si:N:H and TiOx. Current-voltage characteristics for multicrystalline silicon solar cells were measured by the use of a computer contro[...]
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Opto - Electronics Review
EN In this paper we present the results of solar cell’s screen printed contacts thickening by light induced plating (LIP) of Cu and Ag. Light-induced and light-assisted plating techniques are compared. Plating bath current versus illumination intensity, the potentials of metallic anode, front and back [...]
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Opto - Electronics Review
EN The photoluminescence (PL) of solar cells, based on Cu(In,Ga)Se₂ and bare Cu(In,Ga)Se₂ absorbers, has been studied. Shapes and intensity dependencies of the PL spectra in the junctions and in thin films are compared and discussed in terms of influence of the junction field. Measurements of the otolu[...]
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Opto - Electronics Review
EN The results of investigation of monocrystalline silicon solar cells with screen-printed metallisation are presented. The efficiency of typical cell is about 15%. The participation of all responsible factors for reducing the efficiency was determined based on PC-1D program. It was shown that the prof[...]
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Opto - Electronics Review
EN A thin - film floating junction solar cell that requires the deposition of alternating p and n layers has been recently introduced. A four-layer solar cell operates like a thyristor in which the triggering gate is substituted by photogenerated charge carries. In this paper an equivalent electrical c[...]
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Opto - Electronics Review
EN CISCut [CuInS2(CIS) on Cu tape ] is a new fabrication technology for chalcogenide absorber layers for solar cells. In a roll-to-roll process, indium is electrochemically deposided on a copper tape, and subsequently sulphurised. It has been shown that various Cu-In-S phases are formed, depending o[...]
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Opto - Electronics Review
EN This paper reports on the results of several years of investigations aiming at simplification and efficiency improvement of a low cost screen printing solar cell process. All solar cell process operations, materials and equipment have been, with this respect, critically examined, re - optimised and,[...]
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Opto - Electronics Review
EN In this work application of porous silicon (PS) to c-Si solar cells is presented. The PS layer is formed between the fingers of the Al grid contact by the method of stain etching. The short circuit current, Isc, of the solar cells with PS between the grid contacts increases of 30-40% comparing wit[...]
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Elektronika : konstrukcje, technologie, zastosowania
PL Proces laminacji modułów fotowoltaicznych jest jednym z najważniejszych etapów produkcji gotowych paneli fotowoltaicznych. Ogniwa słoneczne muszą zostać zabezpieczone przed negatywnym wpływem czynników zewnętrznych (w tym warunków pogodowych) poprzez zastosowanie stabilnej warstwy zabezpieczającej. [...]
EN The lamination of solar modules is one of the crucial steps during the solar panel production process. Solar cells need to be protected from ambient influences (e.g. weather) by means of stable protection films. Nowadays most popular protection films are created of polymers. In today's PV modules, t[...]
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Elektronika : konstrukcje, technologie, zastosowania
PL Ogniwa fotowoltaiczne charakteryzują się ogromną trwałością. Podstawowym warunkiem, jaki należy spełnić, aby to osiągnąć jest właściwe ich zabezpieczenie przed szkodliwym wpływem czynników zewnętrznych. Z tego powodu proces laminacji jest jednym z najważniejszych procesów w technologii paneli fotowo[...]
EN Durability of solar cells is almost unlimited. The essential condition to fulfil this thesis is good protection from ambient influences. Therefore (for this reason) the lamination process of solar cells is one of the crucial steps during the solar panel production process. Nowadays the most popular [...]
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