The electrical current through poly-Si on oxide (POLO) solar cells is mediated by tunneling and by nanometer-sized pinholes in the interfacial oxide. To distinguish the two processes, a POLO junction with a measured pinhole ...

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The hole-conducting polymer poly(3,4-ethylenedioxythiophene):poly(styrenesulfonic acid) [PEDOT:PSS] is known to effectively passivate crystalline silicon surfaces and to simultaneously provide a low contact resistance ...