POLO back junction solar cell built with PECVD achieves 24.2% efficiency

A group including scientists from Insititute for Solar Energy Research Hamelin (ISFH) and German PV equipment manufacturer Centrotherm has developed a POLO back junction solar cell by using an industrial plasma enhanced chemical vapor deposition (PECVD) system with a low-frequency plasma source. The device achieved a slightly higher efficiency than a reference device fabricated via more expensive atomic layer deposition (ALD). A group of researchers led by Germany's Insititute for Solar Energy Research Hamelin (ISFH) have fabricated an n+-type polysilicon on oxide (POLO) back junction solar cell ...

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