A New tecnique for PV

October 13, 2008

An interesting post about a new solar concept:

Photovoltaic cells, the basic building blocks of solar panels, are more efficient and less costly than ever. But manipulating cells (which are usually made of semiconductor materials) and incorporating them into different panel designs is not necessarily easy.

John A. Rogers of the University of Illinois, Urbana-Champaign, and colleagues have come up with a novel method for creating extremely thin solar cells that can be combined in flexible, even partially transparent, arrays. Described in Nature Materials, it could be called the rubber-stamp approach.

The technique involves creating a series of precisely spaced ”microbars” on a block of single-crystal silicon. These bars, which have a thickness of a few micrometers, have doped regions that create p-n junctions, the main feature of most photovoltaic cells.

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