Saint-gobain Glass France

Bengbu Design & Research Institute for Glass Industry

Jorg Palm

Stefan Jost

Stephan Pohlner

Thomas Dalibor

Thomas Happ

August Lerchenberger

Roland Dietmueller

A method for producing a compound semiconductor composed of pentanary kesterite/stannite of the type CuZnSn(S,Se)is described. The method has the following steps: producing at least one precursor layer stack consisting of a first precursor layer and a second precursor layer; thermally treating the at least one precursor layer stack in a process chamber; and feeding at least one process gas into the process chamber during the thermal treatment of the at least one precursor layer stack. Furthermore, a thin-film solar cell with an absorber consisting of the pentanary compound semiconductor CuZnSn(S,Se)on a body is described.

Method for producing the pentanary compound semiconductor CZTSSe, and thin-film solar cell

The present invention relates to a layer system () for thin-film solar cells and solar modules based on CIS-absorbers (). The layer system () according to the invention has a buffer layer () made of In(S,Se), wherein 0&#x2266;x&#x2266;1 and &#x2212;1&#x2266;&#x3b4;&#x2266;1. Additionally, the buffer layer () is amorphously designed. With this buffer layer (), the disadvantages of CdS-buffers frequently used to date, namely toxicity and poor process integration, are overcome, whereby in addition to high efficiency, high long-term stability is also achieved; and thus again the disadvantages of conventional buffer layers alternative to CdS do not exist.

Layer system for solar cells

A method of manufacturing a photovoltaic device, which method comprises the steps of providing a first layer structure on an second layer structure so that the first layer structure has an external surface, and an interface with the second layer structure, the first layer structure comprising a thin-film photovoltaic absorber layer; patterning through the first layer structure from the external surface to or into the second layer structure by first mechanically removing material from the first layer structure in a predetermined patterning area, and subsequently removing, by means of laser cleaning, residual material from the mechanical removal in the patterning area; and a system for patterning an object having a first layer structure on an second layer structure, the system comprising a mechanical patterning device and a laser cleaning device, and means for relative movement between the object, and the mechanical patterning device and the laser cleaning device.

Method of manufacturing a photovoltaic device and system for patterning an object

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Munich, Germany

Jorg Palm