Featured in Cracking the code – 03-2011

Getting more out of the sun

Laser technology: Thin film cells can be manufactured quicker than crystalline modules, with about a third of the initial investment needed in comparison. With the advent of laser technology, the positive statistics can be further enhanced. Jan Wieduwilt of Trumpf explains the pros of laser.

By

pv magazine

28 Feb 2011

A thin film solar cell typically consists of a stack of micrometer-thin layers on a substrate, usually glass. Depending on the type of solar cell, the active layers consist of silicon, cadmium telluride or CIGS (copper, indium, gallium and selenium). A CIGS stack, for example, is sandwiched between two electrically conductive layers: made of molybdenum …

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