Übersetzung wird gemeinsam mit der endgültigen englischen Fassung erscheinen. Die endgültige englische Fassung (Version of Record) wird ehestmöglich nach dem Redigieren und einem Korrekturgang als Early-View-Beitrag erscheinen und kann sich naturgemäß von der AA-Fassung unterscheiden. Leser sollten daher die endgültige Fassung, sobald sie veröffentlicht ist, verwenden. Für die AA-Fassung trägt der Autor die alleinige Verantwortung.
Übersetzung wird gemeinsam mit der endgültigen englischen Fassung erscheinen. Die endgültige englische Fassung (Version of Record) wird ehestmöglich nach dem Redigieren und einem Korrekturgang als Early-View-Beitrag erscheinen und kann sich naturgemäß von der AA-Fassung unterscheiden. Leser sollten daher die endgültige Fassung, sobald sie veröffentlicht ist, verwenden. Für die AA-Fassung trägt der Autor die alleinige Verantwortung.
The high cost of building integrated photovoltaics is one of the main reasons preventing a more widespread application. We propose a panel-on-demand concept for flexible design of building integrated thin-film photovoltaics to address this issue.The concept is based on the use of semi-finished PV modules (standard mass products) with subsequent refinement into BIPV PV modules. In this study, we demonstrate the three processes necessary to realize this concept. First, a prototype tool to cut thin film photovoltaic elements on glass substrates based on laser perforation was developed.Damage to the processed samples did not exceed a distance of 50 μm from laser cuts.Second, oxide/metal/oxide-electrodes with integrated colour were applied on Cu (In, Ga)Se 2 cells and standard monolithic interconnection structuring was used to produce modules sized 30 Â 30 cm 2 in red, green and blue with strong colours. Third, A backend interconnection process was developed for amorphous silicon thin film cells, which allows for the structuring of modules from elements of custom shape. The panel-ondemand strategy may allow for a streamlined production of customized modules and a lower cost for aesthetically pleasing, fully building integrated solar modules.
We regret to inform our readers that Dr. Wolfhard Beyer has passed away during the review process of this publication.
IntroductionHydrogenated amorphous silicon (a-Si:H) films are widely used and are of interest for various technologies like thin film solar cells, [1][2][3] silicon heterojunction solar cells, [4][5][6] thin film silicon solar cells on glass, [7][8][9] as well as transistors in large area displays. [10] Hydrogen plays a crucial role in these devices as it passivates silicon defects. Of particular, importance can be the motion of hydrogen during deposition at elevated temperatures and upon heat treatment. In recent time, interest has increased in details and mechanisms of a-Si:H film disintegration and peeling. [8,[11][12][13] These latter effects are known to occur mostly during annealing, in particular involving rapid heating. Related to such disintegration effects may be bubble and pinhole formation due to accumulation of H at interfaces. [14][15][16] The detachment of H containing silicon alloys and layer stacks upon thermal treatment is crucially problematic for the previously mentioned applications. Hence, it is important to understand the mechanisms of hydrogen motion to avoid the destruction of the films.In this article, we study by SIMS depth profiling the disintegration of deuterated and hydrogenated (a-Si:D/a-Si:H) layer structures after annealing by using a continuous wave (CW)
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