Surface and interface engineering for highly efficient Cu<sub>2</sub>ZnSnSe<sub>4</sub> thin-film solar cells <i>via in situ</i> formed ZnSe nanoparticles
Hyesun Yoo, Jongsung Park, Mahesh P. Suryawanshi, Jiwon Lee, JunHo Kim, JunHo Kim, Kiryung Eom, Hyungtak Seo, HyoRim Jung, Dong Myeong Kim, Seung Wook Shin, Jin Hyeok Kim, Jin Hyeok Kim
Abstract
<italic>In situ</italic> formed ZnSe NPs on the surface of CZTSe offer surface and interface engineering and provide a favourable band alignment between CZTSe and CdS leading to an improved device efficiency of 10.49%.
Topics & Concepts
In situThin film solar cellMaterials scienceNanoparticleThin filmInterface (matter)OptoelectronicsNanotechnologyChemistryComposite materialCapillary numberCapillary actionOrganic chemistryQuantum Dots Synthesis And PropertiesChalcogenide Semiconductor Thin FilmsCopper-based nanomaterials and applications