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38 results

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Page 1
High-pressure phase transition of cesium chloride and cesium bromide.
Wei S, Zhu C, Li Q, Zhou Y, Li Q, Ma Y. Wei S, et al. Phys Chem Chem Phys. 2014 Sep 7;16(33):17924-9. doi: 10.1039/c4cp02452d. Phys Chem Chem Phys. 2014. PMID: 25046824
Strikingly, we have predicted several thermodynamically favored high-pressure phases for cesium chloride and cesium bromide (CsBr). Further electronic calculations indicate that CsCl and CsBr become metallic via band-gap closure at strong compression. ...
Strikingly, we have predicted several thermodynamically favored high-pressure phases for cesium chloride and cesium bromide (C …
Ultraviolet Resonant Raman Scattering of Electrolyte Solutions.
Sassi P, Comez L, D'Amico F, Rossi B, Bartolini G, Fioretto D, Paolantoni M. Sassi P, et al. Appl Spectrosc. 2024 Apr 18:37028241245443. doi: 10.1177/00037028241245443. Online ahead of print. Appl Spectrosc. 2024. PMID: 38632936
In this study, we employed multi-wavelength Raman spectroscopy to examine the hydration shell surrounding bromide ions in solutions of simple electrolytes, specifically lithium bromide, potassium bromide, and cesium bromide, at two different concentrations. Cation-i …
In this study, we employed multi-wavelength Raman spectroscopy to examine the hydration shell surrounding bromide ions in solutions of simpl …
Additive-Enhanced Crystallization of Inorganic Perovskite Single Crystals for High-Sensitivity X-Ray Detection.
Xue Z, Wei Y, Li H, Peng J, Yao F, Liu Y, Wang S, Zhou Q, Lin Q, Wang Z. Xue Z, et al. Small. 2023 May;19(18):e2207588. doi: 10.1002/smll.202207588. Epub 2023 Jan 31. Small. 2023. PMID: 36721070
In this work, an additive-enhanced crystallization method is proposed for cesium lead perovskites. The additive can remarkably increase the solubility of cesium bromide in dimethyl sulfoxide (DMSO) forming a balanced stoichiometric precursor solution, which prevents …
In this work, an additive-enhanced crystallization method is proposed for cesium lead perovskites. The additive can remarkably increase the …
Heterojunction formed via 3D-to-2D perovskite conversion for photostable wide-bandgap perovskite solar cells.
Wen J, Zhao Y, Wu P, Liu Y, Zheng X, Lin R, Wan S, Li K, Luo H, Tian Y, Li L, Tan H. Wen J, et al. Nat Commun. 2023 Nov 6;14(1):7118. doi: 10.1038/s41467-023-43016-5. Nat Commun. 2023. PMID: 37932289 Free PMC article.
However, owing to the composition-dependent sensitivity of surface reconstruction, the conventional solution post-treatment is suboptimal for methylammonium-free and cesium/bromide-enriched wide-bandgap PSCs. To address this, we develop a generic three-dimensional t …
However, owing to the composition-dependent sensitivity of surface reconstruction, the conventional solution post-treatment is suboptimal fo …
Single Crystallization of Cs4PbBr6 Perovskite from Supersaturated Organic Solutions Optimized Through Solubility Studies.
Watanabe S, Hayashida T, Iwai M, Inomata Y, Kunitake M, Kida T. Watanabe S, et al. ACS Omega. 2023 Jan 6;8(2):2455-2461. doi: 10.1021/acsomega.2c06945. eCollection 2023 Jan 17. ACS Omega. 2023. PMID: 36687048 Free PMC article.
One of the precursors, CsBr, was dissolved in ethylene glycol (EG) mixed with dimethyl sulfoxide, which is a good solvent for the other precursor, PbBr(2). At a solvent ratio of 20 vol % EG, the solubility of cesium bromide decreased and the title compound, Cs(4)PbB …
One of the precursors, CsBr, was dissolved in ethylene glycol (EG) mixed with dimethyl sulfoxide, which is a good solvent for the other prec …
Single Crystals of Mixed-Cation Copper-Based Perovskite with Trimodal Bandgap Behavior.
Elattar A, Li W, Suzuki H, Kambe T, Nishikawa T, Kyaw AKK, Hayashi Y. Elattar A, et al. Chemistry. 2022 May 6;28(26):e202104316. doi: 10.1002/chem.202104316. Epub 2022 Mar 29. Chemistry. 2022. PMID: 35253943
Two-dimensional (2D) hybrid perovskites with novel functionalities and structural diversity are a perfect platform for emerging optoelectronic devices such as photodetectors, light-emitting diodes, and solar cells. Here, we demonstrate that excess concentration of Cesium …
Two-dimensional (2D) hybrid perovskites with novel functionalities and structural diversity are a perfect platform for emerging optoelectron …
Nanoplatelet modulation in 2D/3D perovskite targeting efficient light-emitting diodes.
Wu T , Yang Y , Zou Y , Wang Y , Wu C , Han Y , Song T , Zhang Q , Gao X , Sun B . Wu T , et al. Nanoscale. 2018 Nov 7;10(41):19322-19329. doi: 10.1039/c8nr04896g. Epub 2018 Oct 16. Nanoscale. 2018. PMID: 30324959
Here, a simple strategy is developed to suppress growth of NMA(2)PbBr(4) (n = 1) nanoplatelets by carefully tuning the precursor ratio of cesium bromide (CsBr), formamidinium bromide (FABr) and 1-naphthylmethylammonium bromide (NMABr). ...
Here, a simple strategy is developed to suppress growth of NMA(2)PbBr(4) (n = 1) nanoplatelets by carefully tuning the precursor ratio of …
Highly In-Plane Polarization-Sensitive Photodetection in CsPbBr3 Single Crystal.
Wang K, Jing L, Yao Q, Zhang J, Cheng X, Yuan Y, Shang C, Ding J, Zhou T, Sun H, Zhang W, Li H. Wang K, et al. J Phys Chem Lett. 2021 Feb 25;12(7):1904-1910. doi: 10.1021/acs.jpclett.1c00127. Epub 2021 Feb 16. J Phys Chem Lett. 2021. PMID: 33591752
The fully inorganic perovskite lead cesium bromide single crystal (CsPbBr(3) SC) is considered as an excellent candidate semiconductor for photodetectors because of its superior humidity resistance, thermal stability, and light stability compared with organic-inorga …
The fully inorganic perovskite lead cesium bromide single crystal (CsPbBr(3) SC) is considered as an excellent candidate semic …
Calix[4]pyrrole: a new ion-pair receptor as demonstrated by liquid-liquid extraction.
Wintergerst MP, Levitskaia TG, Moyer BA, Sessler JL, Delmau LH. Wintergerst MP, et al. J Am Chem Soc. 2008 Mar 26;130(12):4129-39. doi: 10.1021/ja7102179. Epub 2008 Mar 1. J Am Chem Soc. 2008. PMID: 18311976
Solvent-extraction studies provide confirming evidence that meso-octamethylcalix[4]pyrrole acts as an ion-pair receptor for cesium chloride and cesium bromide in nitrobenzene solution. The stoichiometry of the interaction under extraction conditions from water to ni …
Solvent-extraction studies provide confirming evidence that meso-octamethylcalix[4]pyrrole acts as an ion-pair receptor for cesium chloride …
38 results