This week, we attended the Clean Technology 2011 Conference in Boston, where much of the solar talk centered around nanowires. One of the more interesting presentations came from a representative of the Palo Alto Research Center (PARC), who discussed large-area amorphous silicon/silicon (a-Si/Si) hy...
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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
News Commentary | May 12, 2022
The École Polytechnique Fédérale de Lausanne (EPFL) developed a solvothermal method to deposit uniform "single‑crystalline" TiO2 particles on top of a perovskite absorber layer. According to the researchers, the TiO2 particles showed lower "lattice" mismatches, resulting in a lower number of defects... Not part of subscription
News Commentary | May 16, 2022
The copper indium gallium selenide (CIGS) thin‑film solar cell developed at the university eliminated the use of cadmium sulfide buffer layers from the solar cell. This new approach replaces cadmium sulfide with an oxidized layer of CIGS that is formed using an air‑annealing process. Researchers ... Not part of subscription