What is it about?
Obtaining p-doped nature in metal oxide is challenging. P-doped metal oxide, tin oxide namely, has been developed experimentally by E-beam evaporation. Tin pallets were used and the deposition was carried out by precisely controlling oxygen inside the chamber. Good light absorption property of the oxide has been found as well. So, this oxide layer may serve as emitter as well as partial absorber layer for micro-crystalline silicon based thin film solar cell. Performance of the solar cell has been explored by simulation study and some design guidelines have been proposed.
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Why is it important?
It is stable thin film solar cell without requirement of silicon wafer
Perspectives
Organic thin film solar cells are suffering from stability issue mainly. Metal oxide/silicon (in its non-crystalline form) heterojunction solar cell may be the suitable alternative. Parameters of metal oxide can easily be engineered to optimize the performance of the device.
Mukul K Das
Indian Institute of Technology (ISM), Dhanbad
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This page is a summary of: Band offset engineering for p-SnO/n-mc-Si heterojunction solar cell, Applied Physics Letters, June 2020, American Institute of Physics,
DOI: 10.1063/1.5144767.
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