Photovoltaics

9.0% efficient Cu2ZnSn(S,Se)4 solar cells from selenized nanoparticle inks

Thin-film solar cells using Cu2ZnSn(S,Se)4 absorber materials continue to attract increasing attention. The synthesis of kesterite Cu2ZnSnS4 nanoparticles by a modified method of hot injection is explained. Characterization of the nanoparticles by …