{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"omics_type":["Unknown"],"volume":["24(3)"],"submitter":["Xu S"],"funding":["University of California Los Angeles"],"pubmed_abstract":["Potential multijunction application of CsPbI<sub>3</sub> perovskite with silicon solar cells to reach efficiencies beyond the Shockley-Queisser limit motivates tremendous efforts to improve its phase stability and further enlarge its band gap between 1.7 and 1.8 eV. Current strategies to increase band gap via conventional mixed halide engineering are accompanied by detrimental phase segregation under illumination. Here, ethylammonium (EA) in a relatively small fraction (<i>x</i> < 0.15) is first investigated to fit into three-dimensional CsPbI<sub>3</sub> framework to form pure-phase hybrid perovskites with enlarged band gap over 1.7 eV. The increase of band gap is closely associated with the distortion of Pb-I octahedra and the variation of the average Pb-I-Pb angle. Meanwhile, the introd"],"journal":["iScience"],"pagination":["102235"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC7970358"],"repository":["biostudies-literature"],"pubmed_title":["Engineering bandgap of CsPbI<sub>3</sub> over 1.7 eV with enhanced stability and transport properties."],"pmcid":["PMC7970358"],"pubmed_authors":["Libanori A","Chen J","Luo G","Xu S"],"additional_accession":[]},"is_claimable":false,"name":"Engineering bandgap of CsPbI<sub>3</sub> over 1.7 eV with enhanced stability and transport properties.","description":"Potential multijunction application of CsPbI<sub>3</sub> perovskite with silicon solar cells to reach efficiencies beyond the Shockley-Queisser limit motivates tremendous efforts to improve its phase stability and further enlarge its band gap between 1.7 and 1.8 eV. Current strategies to increase band gap via conventional mixed halide engineering are accompanied by detrimental phase segregation under illumination. Here, ethylammonium (EA) in a relatively small fraction (<i>x</i> < 0.15) is first investigated to fit into three-dimensional CsPbI<sub>3</sub> framework to form pure-phase hybrid perovskites with enlarged band gap over 1.7 eV. The increase of band gap is closely associated with the distortion of Pb-I octahedra and the variation of the average Pb-I-Pb angle. Meanwhile, the introd","dates":{"release":"2021-01-01T00:00:00Z","publication":"2021 Mar","modification":"2025-04-20T02:29:44.719Z","creation":"2025-04-20T02:29:44.719Z"},"accession":"S-EPMC7970358","cross_references":{"pubmed":["33748717"],"doi":["10.1016/j.isci.2021.102235"]}}