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International Collaboration in STARCELL.

The international collaboration in STARCELL has started with strong emphasis in the collaboration between the partners. Very recently, researchers from IREC in Spain and AIST in Japan, have implemented a very fruitful collaboration, achieving an 11% efficiency device with pure Se kesterite that will be published soon. This is just the starting point of this collaboration focused in obtaining graded band-gap absorbers, following the efficiency roadmap of STARCELL.

JV curve of CZTSe with 11% efficiency. IREC and AIST.