Sodium-assisted passivation of grain boundaries and defects in Cu<sub>2</sub>ZnSnSe<sub>4</sub> thin films
Juran Kim, Gee Yeong Kim, Trang Thi Thu Nguyen, Seokhyun Yoon, Yoon-Koo Kim, Seung‐Yong Lee, Miyoung Kim, Dae‐Hyung Cho, Yong‐Duck Chung, Je-Ho Lee, Maeng‐Je Seong, William Jo
Abstract
-related defects. These local surface imaging analyses provided the exact locations of the secondary phases. In particular, the photo-assisted scanning probe method enabled us to observe the changes in the optoelectrical properties of the thin films and the carrier behavior within the materials. Further studies with distinct alkali ions and optimal processing conditions will pave a way to improve the performance of kesterite solar cells.
Topics & Concepts
PassivationGrain boundaryBorosilicate glassMaterials scienceThin filmDopingSoda limeGrain sizeSodiumMineralogyMetallurgyChemical engineeringLayer (electronics)OptoelectronicsChemistryNanotechnologyMicrostructureComposite materialEngineeringChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And PropertiesSemiconductor materials and interfaces