InCl<sub>3</sub>-modified SnO<sub>2</sub> as an electron transporting layer for Cd-free antimony selenide solar cells
Lei Huang, Junjie Yang, Yujian Xia, Peng Xiao, Huiling Cai, Aoxing Liu, Yan Wang, Xiaosong Liu, Rongfeng Tang, Changfei Zhu, Tao Chen
Abstract
We demonstrated InCl 3 modified SnO 2 as ETL in Sb 2 Se 3 solar cells. InCl 3 post-treatment blocked the downward diffusion of Se and improved the quality of the SnO 2 /Sb 2 Se 3 heterojunction. Thus, a Cd-free Sb 2 Se 3 solar cell achieved a PCE of 5.52%.
Topics & Concepts
SelenideAntimonySolar cellHeterojunctionLayer (electronics)Materials scienceFree electron modelOptoelectronicsChemistryElectronSeleniumNanotechnologyPhysicsMetallurgyQuantum mechanicsChalcogenide Semiconductor Thin FilmsQuantum Dots Synthesis And PropertiesPerovskite Materials and Applications