Two recent papers from labs experimenting with nanomaterials for solar cells are using increased light absorption to reduce the use of active materials. Erik Garnett and Peidong Yang's group out of the University of California, Berkeley demonstrated 6% efficient solar cells based on etched silicon n...
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News Commentary | November 22, 2021
The demonstration of a perovskite‑silicon cell with a conversion efficiency of 25.2% puts it within reach of the current record for silicon at 26.6%. Kaneka holds that record for a heterojunction cell, which has layers of amorphous silicon that surround the crystalline silicon wafer — a type of ... Not part of subscription
Company Profile | March 30, 2022
Oxford Photovoltaics (Oxford PV) develops a tandem solar cell consisting of a top perovskite layer and a bottom silicon layer; this structure is connected in a two‑terminal configuration and held the record efficiency for a perovskite‑silicon tandem at 29.52% efficiency In parallel, the company... Not part of subscription
News Commentary | May 05, 2022
The École Polytechnique Fédérale de Lausanne (EPFL) hit a conversion efficiency of 29.2% by depositing a perovskite material on top of a "fully textured" silicon surface, which was certified by the Fraunhofer Institute. In addition to the textured surface implemented to reduce light reflection, the ... Not part of subscription