Strong self-trapping by deformation potential limits photovoltaic performance in bismuth double perovskite
Bo Wu, Weihua Ning, Qiang Xu, Manukumara Manjappa, Minjun Feng, Senyun Ye, Jianhui Fu, Stener Lie, Tingting Yin, Feng Wang, Teck Wee Goh, Padinhare Cholakkal Harikesh, Yong Kang Eugene Tay, Zexiang Shen, Fuqiang Huang, Ranjan Singh, Guofu Zhou, Feng Gao, Tze Chien Sum
Abstract
Bismuth double perovskite Cs 2 AgBiBr 6 strong electron–acoustic phonon interactions derail its photovoltaic aspirations.
Topics & Concepts
BismuthPerovskite (structure)Photovoltaic systemMaterials scienceTrappingDeformation (meteorology)ElectronPhononOptoelectronicsCondensed matter physicsComposite materialPhysicsChemistryCrystallographyElectrical engineeringMetallurgyQuantum mechanicsBiologyEngineeringEcologyPerovskite Materials and ApplicationsSolid-state spectroscopy and crystallographyThermal Expansion and Ionic Conductivity