Show simple item record

dc.contributor.authorPeng, Wei
dc.contributor.authorMiao, Xiaohe
dc.contributor.authorAdinolfi, Valerio
dc.contributor.authorAlarousu, Erkki
dc.contributor.authorEl Tall, Omar
dc.contributor.authorEmwas, Abdul-Hamid M.
dc.contributor.authorZhao, Chao
dc.contributor.authorWalters, Grant
dc.contributor.authorLiu, Jiakai
dc.contributor.authorOuellette, Olivier
dc.contributor.authorPan, Jun
dc.contributor.authorBanavoth, Murali
dc.contributor.authorSargent, Edward H.
dc.contributor.authorMohammed, Omar F.
dc.contributor.authorBakr, Osman
dc.date.accessioned2017-04-13T11:50:57Z
dc.date.available2017-04-13T11:50:57Z
dc.date.issued2016-07-28
dc.identifier.citationPeng W, Miao X, Adinolfi V, Alarousu E, El Tall O, et al. (2016) Engineering of CH3NH3PbI3 Perovskite Crystals by Alloying Large Organic Cations for Enhanced Thermal Stability and Transport Properties. Angewandte Chemie International Edition 55: 10686–10690. Available: http://dx.doi.org/10.1002/anie.201604880.
dc.identifier.issn1433-7851
dc.identifier.doi10.1002/anie.201604880
dc.identifier.doi10.1002/ange.201604880
dc.identifier.urihttp://hdl.handle.net/10754/623146
dc.description.abstractThe number of studies on organic–inorganic hybrid perovskites has soared in recent years. However, the majority of hybrid perovskites under investigation are based on a limited number of organic cations of suitable sizes, such as methylammonium and formamidinium. These small cations easily fit into the perovskite's three-dimensional (3D) lead halide framework to produce semiconductors with excellent charge transport properties. Until now, larger cations, such as ethylammonium, have been found to form 2D crystals with lead halide. Here we show for the first time that ethylammonium can in fact be incorporated coordinately with methylammonium in the lattice of a 3D perovskite thanks to a balance of opposite lattice distortion strains. This inclusion results in higher crystal symmetry, improved material stability, and markedly enhanced charge carrier lifetime. This crystal engineering strategy of balancing opposite lattice distortion effects vastly increases the number of potential choices of organic cations for 3D perovskites, opening up new degrees of freedom to tailor their optoelectronic and environmental properties.
dc.description.sponsorshipThis work was supported by King Abdullah University of Science and Technology (KAUST) in Saudi Arabia. W.P. thanks Dr. Yao He and Dr. Xiang Yu from Imaging and Characterization Core Lab (KAUST) for their assistance in the temperature-dependent XRD system set-up and measurement.
dc.publisherWiley-Blackwell
dc.subjectcrystal engineering
dc.subjectorganic–inorganic hybrid composites
dc.subjectperovskite phases
dc.subjectphotovoltaics
dc.titleEngineering of CH 3 NH 3 PbI 3 Perovskite Crystals by Alloying Large Organic Cations for Enhanced Thermal Stability and Transport Properties
dc.typeArticle
dc.contributor.departmentAnalytical Chemistry Core Lab
dc.contributor.departmentAnalytical Core Lab
dc.contributor.departmentChemical Science Program
dc.contributor.departmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
dc.contributor.departmentImaging and Characterization Core Lab
dc.contributor.departmentKAUST Catalysis Center (KCC)
dc.contributor.departmentKAUST Solar Center (KSC)
dc.contributor.departmentMaterials Science and Engineering Program
dc.contributor.departmentNMR
dc.contributor.departmentPhysical Characterization
dc.contributor.departmentPhysical Sciences and Engineering (PSE) Division
dc.contributor.departmentSolids
dc.identifier.journalAngewandte Chemie International Edition
dc.contributor.institutionDepartment of Electrical and Computer Engineering; University of Toronto; Toronto Ontario M5S 3G4 Canada
kaust.personPeng, Wei
kaust.personMiao, Xiaohe
kaust.personAlarousu, Erkki
kaust.personEl Tall, Omar
kaust.personEmwas, Abdul-Hamid M.
kaust.personZhao, Chao
kaust.personLiu, Jiakai
kaust.personPan, Jun
kaust.personBanavoth, Murali
kaust.personMohammed, Omar F.
kaust.personBakr, Osman M.
dc.date.published-online2016-07-28
dc.date.published-print2016-08-26


This item appears in the following Collection(s)

Show simple item record