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Polymers bring future solar cells


A polymer-based technique could lead to production of highly efficient solar cells. A team from IK4-Ikerlan and the University of the Basque Country used polymers that absorb light at different wavelengths to produce solar cells with a tandem structure. "Until now, that structuring has been done mechanically or by means of laser, but with the risk of damaging the substrate," said Dr. Ikerne Etxebarria-Zubizarreta, a researcher in chemical engineering at UPV/EHU and IK4-Ikerlan. "However, in this research we have developed a new automatic structuring technique. This technique involves transforming the features of the surface of the substrate." more

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