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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Zysman-Colman, Eli
University of St Andrews
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (21/21 displayed)
- 2024Organic light-emitting diodes comprising an undoped thermally activated delayed fluorescence emissive layer and a thick inorganic perovskite hole transport layer
- 2024Organic Light-Emitting Diodes Comprising an Undoped Thermally Activated Delayed Fluorescence Emissive Layer and a Thick Inorganic Perovskite Hole Transport Layer
- 2021A luminescent 1D silver polymer containing [2.2]paracyclophane ligandscitations
- 2020A Pd 3 L 6 supramolecular cage incorporating photoactive [2.2]paracyclophane unitscitations
- 2020Stable 6H organic-inorganic hybrid lead perovskite and competitive formation of 6H and 3C perovskite structure with mixed A cationscitations
- 2020A Pd3L6 supramolecular cage incorporating photoactive [2.2]paracyclophane Unitscitations
- 2020What controls the orientation of TADF emitters?citations
- 2019A Pd 3 L 6 supramolecular cage incorporating photoactive [2.2]paracyclophane Unitscitations
- 2019Stable 6H organic-inorganic hybrid lead perovskite and competitive formation of 6H and 3C perovskite structure with mixed A cationscitations
- 2019A Pd3L6 supramolecular cage incorporating photoactive [2.2]paracyclophane Unitscitations
- 2017Lessons learned in tuning the optoelectronic properties of phosphorescent iridium(III) complexescitations
- 2017Blue-to-green emitting neutral Ir(III) complexes bearing pentafluorosulfanyl groups:a combined experimental and theoretical studycitations
- 2017Blue-to-green emitting neutral Ir(III) complexes bearing pentafluorosulfanyl groups : a combined experimental and theoretical studycitations
- 2017Blue-to-green emitting neutral Ir(III) complexes bearing pentafluorosulfanyl groupscitations
- 2016Synthesis and characterization of green-to-yellow emissive Ir(III) complexes of pyridylbenzothiadiazine ligandcitations
- 2016Enhancing the photoluminescence quantum yields of blue-emitting cationic iridium(III) complexes bearing bisphosphine ligandscitations
- 2016Enhancing the photoluminescence quantum yields of blue-emitting cationic iridium(III) complexes bearing bisphosphine ligandscitations
- 2016Synthesis, properties and Light-Emitting Electrochemical Cell (LEEC) device fabrication of cationic Ir(III) complexes bearing electron-withdrawing groups on the cyclometallating ligandscitations
- 2016Synthesis, properties and Light-Emitting Electrochemical Cell (LEEC) device fabrication of cationic Ir(III) complexes bearing electron-withdrawing groups on the cyclometallating ligandscitations
- 2015Strategic modulation of the photonic properties of conjugated organometallic Pt–Ir polymers exhibiting hybrid CT-excited statescitations
- 2014Strategic modulation of the photonic properties of conjugated organometallic Pt–Ir polymers exhibiting hybrid CT-excited statescitations
Places of action
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article
Stable 6H organic-inorganic hybrid lead perovskite and competitive formation of 6H and 3C perovskite structure with mixed A cations
Abstract
We report the synthesis and properties of a new organic–inorganic hybrid lead perovskite (OIHP), azetidinium lead bromide (AzPbBr<sub>3</sub>), possessing the 6H perovskite structure (space group <i>P</i>6<sub>3</sub>/<i>mmc</i> with <i>a</i> = 8.745 Å and <i>c</i> = 21.329 Å). This compound has a band gap of 2.81 eV and remains stable for >6 months in the ambient environment. DFT simulations are in fairly good agreement with experiments and indicate that AzPbBr<sub>3</sub> is a direct band gap semiconductor. A partial solid solution with the cubic (3C) perovskite methylammonium lead bromide (Az<sub>1–<i>x</i></sub>MA<sub><i>x</i></sub>PbBr<sub>3</sub>) is possible. In Az-rich 6H compositions the lattice volume and band gap are invariant with <i>x</i> (≤0.3), whereas in the MA-rich 3C phase (0.8 ≤ <i>x</i> ≤ 1.0) the lattice parameters and band gap increase with increasing Az content. Although the relatively large band gap of AzPbBr<sub>3</sub> makes it unsuitable for photovoltaic applications, the results indicate Az<sup>+</sup> is a suitable alternative organic A cation for band gap tuning of OHIPs.