Tuning electronic structure and carrier transport properties through crystal orientation control in two-dimensional Dion-Jacobson phase perovskites
Abstract Two-dimensional halide perovskites are attracting attention due to their structural diversity, improved stability, and enhanced quantum efficiency compared to their three-dimensional counterparts. In particular, Dion-Jacobson (DJ) phase perovskites exhibit superior structural stability comp...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2025-01-01
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| Series: | Nano Convergence |
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| Online Access: | https://doi.org/10.1186/s40580-024-00473-y |
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| author | Byunggeol Kim Jeehong Park Donghee Kang Na Eun Jung Kitae Kim Hongsun Ryu Joon Ik Jang Soohyung Park Yeonjin Yi |
| author_facet | Byunggeol Kim Jeehong Park Donghee Kang Na Eun Jung Kitae Kim Hongsun Ryu Joon Ik Jang Soohyung Park Yeonjin Yi |
| author_sort | Byunggeol Kim |
| collection | DOAJ |
| description | Abstract Two-dimensional halide perovskites are attracting attention due to their structural diversity, improved stability, and enhanced quantum efficiency compared to their three-dimensional counterparts. In particular, Dion-Jacobson (DJ) phase perovskites exhibit superior structural stability compared to Ruddlesden-Popper phase perovskites. The inherent quantum well structure of layered perovskites leads to highly anisotropic charge transport and optical properties. Therefore, controlling the preferred crystal orientation (parallel or perpendicular) is crucial for optimizing device performance. This work presents a rational strategy to control parallel and perpendicular crystal growth in C6N2H16PbI4 (4AMPPbI4)-based DJ phase perovskite thin films. We demonstrate that crystal orientation depends on crystal growth rates, which can be controlled by varying the solvent composition, antisolvent, and annealing temperature. Direct and inverse photoelectron spectroscopy reveals that the electronic structure of 4AMPPbI4, including its work function, ionization energy, and electron affinity, is orientation-dependent. Different orientations significantly affect carrier transport as confirmed by single-carrier devices. This study highlights the critical role of crystal orientation in DJ phase perovskites for designing high-performance optoelectronic devices. Graphical Abstract |
| format | Article |
| id | doaj-art-e6a36e5f1fb2438c9f686ed2a436ef2f |
| institution | Kabale University |
| issn | 2196-5404 |
| language | English |
| publishDate | 2025-01-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Nano Convergence |
| spelling | doaj-art-e6a36e5f1fb2438c9f686ed2a436ef2f2025-01-19T12:34:48ZengSpringerOpenNano Convergence2196-54042025-01-0112111110.1186/s40580-024-00473-yTuning electronic structure and carrier transport properties through crystal orientation control in two-dimensional Dion-Jacobson phase perovskitesByunggeol Kim0Jeehong Park1Donghee Kang2Na Eun Jung3Kitae Kim4Hongsun Ryu5Joon Ik Jang6Soohyung Park7Yeonjin Yi8Department of Physics, Yonsei UniversityDepartment of Physics, Yonsei UniversityDepartment of Physics, Yonsei UniversityDepartment of Physics, Yonsei UniversityDepartment of Physics, Yonsei UniversityDepartment of Physics, Sogang UniversityDepartment of Physics, Sogang UniversityAdvanced Analysis & Data Center, Korea Institute of Science and Technology (KIST)Department of Physics, Yonsei UniversityAbstract Two-dimensional halide perovskites are attracting attention due to their structural diversity, improved stability, and enhanced quantum efficiency compared to their three-dimensional counterparts. In particular, Dion-Jacobson (DJ) phase perovskites exhibit superior structural stability compared to Ruddlesden-Popper phase perovskites. The inherent quantum well structure of layered perovskites leads to highly anisotropic charge transport and optical properties. Therefore, controlling the preferred crystal orientation (parallel or perpendicular) is crucial for optimizing device performance. This work presents a rational strategy to control parallel and perpendicular crystal growth in C6N2H16PbI4 (4AMPPbI4)-based DJ phase perovskite thin films. We demonstrate that crystal orientation depends on crystal growth rates, which can be controlled by varying the solvent composition, antisolvent, and annealing temperature. Direct and inverse photoelectron spectroscopy reveals that the electronic structure of 4AMPPbI4, including its work function, ionization energy, and electron affinity, is orientation-dependent. Different orientations significantly affect carrier transport as confirmed by single-carrier devices. This study highlights the critical role of crystal orientation in DJ phase perovskites for designing high-performance optoelectronic devices. Graphical Abstracthttps://doi.org/10.1186/s40580-024-00473-y2D perovskiteHigh orientationCrystalElectronic structureCarrier mobility |
| spellingShingle | Byunggeol Kim Jeehong Park Donghee Kang Na Eun Jung Kitae Kim Hongsun Ryu Joon Ik Jang Soohyung Park Yeonjin Yi Tuning electronic structure and carrier transport properties through crystal orientation control in two-dimensional Dion-Jacobson phase perovskites Nano Convergence 2D perovskite High orientation Crystal Electronic structure Carrier mobility |
| title | Tuning electronic structure and carrier transport properties through crystal orientation control in two-dimensional Dion-Jacobson phase perovskites |
| title_full | Tuning electronic structure and carrier transport properties through crystal orientation control in two-dimensional Dion-Jacobson phase perovskites |
| title_fullStr | Tuning electronic structure and carrier transport properties through crystal orientation control in two-dimensional Dion-Jacobson phase perovskites |
| title_full_unstemmed | Tuning electronic structure and carrier transport properties through crystal orientation control in two-dimensional Dion-Jacobson phase perovskites |
| title_short | Tuning electronic structure and carrier transport properties through crystal orientation control in two-dimensional Dion-Jacobson phase perovskites |
| title_sort | tuning electronic structure and carrier transport properties through crystal orientation control in two dimensional dion jacobson phase perovskites |
| topic | 2D perovskite High orientation Crystal Electronic structure Carrier mobility |
| url | https://doi.org/10.1186/s40580-024-00473-y |
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