Type
ArticleKAUST Department
Chemical Science ProgramFunctional Nanomaterials Lab (FuNL)
KAUST Catalysis Center (KCC)
KAUST Solar Center (KSC)
Material Science and Engineering Program
Physical Science and Engineering (PSE) Division
Ultrafast Laser Spectroscopy and Four-dimensional Electron Imaging Research Group
Date
2018-06-28Online Publication Date
2018-06-28Print Publication Date
2018-07-19Permanent link to this record
http://hdl.handle.net/10754/630450
Metadata
Show full item recordAbstract
To break free of the limitations imposed by three-dimensional (3D) perovskites, such as their lackluster stability, researchers have opened new frontiers into lower-dimensional perovskite derivatives. Thanks to advances in solvent-based synthesis methods, zero-dimensional (0D) inorganic perovskites, mainly Cs4PbBr6, have recently reemerged in various forms (from single crystals to nanocrystals) as materials with properties that bridge organic molecules and inorganic semiconductors. These properties include intrinsic Pb2+ ion emission, large exciton binding energy, and small polaron formation upon photoexcitation, in addition to anomalous green photoluminescence with improved stability and high quantum yield. Moreover, the demonstration of Cs4PbBr6-based light-emitting diode (LED) devices highlights the accelerating efforts toward their applications and motivates further investigations of these emerging materials. This Perspective summarizes the progress in the field of Cs4PbBr6 perovskites, focusing on their molecular-electronic properties and hotly debated green photoluminescence. We conclude by presenting the implications of the unique findings and suggesting opportunities for the future development and applications of these 0D perovskites.Citation
Almutlaq J, Yin J, Mohammed OF, Bakr OM (2018) The Benefit and Challenges of Zero-Dimensional Perovskites. The Journal of Physical Chemistry Letters 9: 4131–4138. Available: http://dx.doi.org/10.1021/acs.jpclett.8b00532.Sponsors
This work was supported by King Abdullah University of Science and Technology (KAUST).Publisher
American Chemical Society (ACS)Additional Links
https://pubs.acs.org/doi/10.1021/acs.jpclett.8b00532https://doi.org/10.1021/acs.jpclett.8b00532
ae974a485f413a2113503eed53cd6c53
10.1021/acs.jpclett.8b00532