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Simulation data of the performance of amorphous hydrogenated silicon (a-Si:H) thin film solar cells using the software package Sentaurus TCAD (Synopsis Inc) are presented. The Sentaurus software is configured with standard theoretical models describing e. g. the density of states in the mobility gap of a-Si:H, generation/recombination statistics, optical data of a-Si:H thin films, etc. to calculate...
Simulation data of the performance of amorphous silicon (a-Si:H) thin film solar cells using the software package Sentaurus TCAD (Synopsis Inc.) are presented. The Sentaurus software is configured with standard theoretical models describing e.g. the density of states in the mobility gap of a-Si:H, generation/recombination statistics, optical data of a-Si:H thin films etc. to calculate illuminated...
P-type amorphous silicon was deposited on crystalline n-type silicon substrates to obtain hetero-junction diodes. Additionally, a thin intrinsic amorphous silicon layer was inserted between both the p-type film and the n-type substrate to study its passivation effect on the c-Si surface. We studied the influence of the quality of the amorphous films upon the performance of the hetero-junction diodes...
Effects of crystallinity of the p window layers in the pin solar cells having hydrogenated microcrystalline silicon (μc-Si:H) films as an absorber layer on solar cell performance are investigated through the evaluation of the photovoltaic characteristics of solar cells prepared by varying the gas ratio of SiH4/H2 during the p layer deposition. By Raman scattering spectroscopy analysis, it is observed...
The birth of amorphous silicon (a-Si:H) cells came as a promising solution for addressing the world energy needs as compared to its crystalline counterpart. This cutting edge advantage has been attributed largely to the simple fabrication process usually comprising of a glow discharge decomposition of silane (SiH4) using a plasma chemical vapour deposition (PCVD), less material (thin film) and simple...
United Solar Ovonic (USO) has developed a-Si:H based solar cells on polymer substrate using high-throughput roll-to-roll deposition technology for space and stratospheric missions. In addition, we have advanced two new developments: (1) the monolithically laser-integrated module on flexible polymer substrate to attain an initial specific power as high as 2343 W/kg at the module level; and (2) a new...
An initial efficiency of 14.7% (Jsc=14.4 mA/cm/sup 2/, Voc=1.41 V, FF=72.8%) has been achieved for a-Si:H/transparent inter-layer/microcrystalline Si solar cell (total area of 1 cm/sup 2/). The short circuit current (Jsc) was enhanced by the introduction of transparent interlayer, namely internal light trapping. The highest Jsc of 15 mA/cm/sup 2/ was obtained by this internal light trapping. It was...
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