Arrays of ultrathin silicon solar microcells

John A Rogers (Inventor), Angus Rockett (Inventor), Ralph G Nuzzo (Inventor), Jongseung Yoon (Inventor), Alfred J Baca (Inventor)

Research output: Patent


Provided are solar cells, photovoltaics and related methods for making solar cells, wherein the solar cell is made of ultrathin solar grade or low quality silicon. In an aspect, the invention is a method of making a solar cell by providing a solar cell substrate having a receiving surface and assembling a printable semiconductor element on the receiving surface of the substrate via contact printing. The semiconductor element has a thickness that is less than or equal to 100 μm and, for example, is made from low grade Si.
Original languageEnglish (US)
U.S. patent number9105782
StatePublished - Aug 11 2015


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