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In this paper heterojunction emitters formed by intrinsic and doped amorphous silicon layers on top of the crystalline silicon are presented as a promising option for rear junction n-type silicon solar cells which are suited for the indoor application. In a preliminary test, n-type solar cells with a rear-junction heterojunction emitter show higher open circuit voltages compared to rear-junction cells...
The price of photovoltaic electricity could be lowered substantially if efficient solar cells could be made from polycrystalline-silicon (pc-Si) thin films on inexpensive substrates. A promising way to make pc-Si layers for solar cells is to use aluminum-induced crystallization (AIC) of amorphous silicon in combination with thermal CVD. To obtain efficient pc-Si solar cells, the material quality has...
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