Improving open-circuit voltage deficit by interface passivation <i>via</i> Li treatment in Cu<sub>2</sub>ZnSn(S,Se)<sub>4</sub> solar cells
Geumha Lim, Ha Kyung Park, Wook Hyun Kim, Seung‐Hyun Kim, Kee‐Jeong Yang, Jin‐Kyu Kang, Dae‐Hwan Kim, William Jo
Abstract
Li-doping via LiF post deposition treatment has achieved an enhanced open-circuit voltage in Cu 2 ZnSn(S,Se) 4 solar cells. The Li treatment passivates the defects resulting in the modification of interface band alignment and enhanced charge excitation.
Topics & Concepts
PassivationOpen-circuit voltageMaterials scienceDopingOptoelectronicsVoltageSolar cellNanotechnologyElectrical engineeringLayer (electronics)EngineeringChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And PropertiesSemiconductor materials and interfaces