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The hydrogenated amorphous silicon (a-Si:H) Alms on molybdenum coated glass substrates were microstructured by irradiating the films using KrF excimer laser with a slope beam profile. By varying the laser processing parameters i.e., the laser pulse energy, the number of laser pulses and the laser energy distribution along the sample scan directions, the homogeneous, high density, and conical polycrystalline...
The epilift technique allows the growth and detachment of good quality, single crystal silicon films on silicon substrates. Since the substrates only act as a growth template, they can be re-used, offering the potential for substantial cost reductions. However, the processing of solar cells on epilift layers introduces significant challenges as a result of the fact that the layers are thin and perforated...
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