Formamidinium(1-x) cesium(x) lead bromide: x = 0.6

Chemical Formula: (CN2H5)0.4Cs0.6PbBr3
IUPAC: Imidoformamidinium cesium lead(II) bromide
Alternate Names: Methanimidamide cesium tribromoplumbate(II), FA0.4Cs0.6PBr3, FAPBr, (FA)CsPbBr3 HC(NH2)2CsPbBr3, (NH2)2CHPbBr3
Organic: CH5N2
Inorganic: Cs0.6PbBr3, Lead bromide
Dimensionality: 3D
Formal Stoichiometry: C : 0.4 , N : 0.8 , H : 2 , Cs : 0.6 , Pb : 1 , Br : 3
Photoluminescence peak position Verified
Origin: experimental (T = 298.0 K)
Photoluminescence peak position

Crystal system: cubic

Photoluminescence peak position, eV
Fixed parameters:
  • temperature = 298.0 K
X. Zhang, H. Liu, W. Wang, J. Zhang, B. Xu, K. L. Karen, Y. Zheng, S. Liu, S. Chen, K. Wang, and X. W. Sun, Hybrid Perovskite Light-Emitting Diodes Based on Perovskite Nanocrystals with Organic–Inorganic Mixed Cations, Advanced Materials 29, 1606405‑1606405 (2017). doi: 10.1002/adma.201606405.
System description
Dimensionality: 3D
Sample type: film

Starting materials: FABr, PbBr2, CsBr, toluene, THF

Product: Thin film

Description: Add mixture of precursors drop-wise into the toluene solution for NC formation, and centrifuge the final product. Disperse NCs in THF with a concentration of 20 mg mL−1. Refer to Page 2 paragraph 4; Figure 2(a).

Comment: Crystals with average size of 9-10 nm; Yellow/Green

Method: Photoluminescence

Description: Instrumental details not provided. Refer to Page 3 paragraph 2; Figure 2(e); SI Table S2.

Comment: Narrow FWHM 19 - 23 nm [for all the samples with different levels of doping]

X. Zhang, H. Liu, W. Wang, J. Zhang, B. Xu, K. L. Karen, Y. Zheng, S. Liu, S. Chen, K. Wang, and X. W. Sun, Hybrid Perovskite Light-Emitting Diodes Based on Perovskite Nanocrystals with Organic–Inorganic Mixed Cations, Advanced Materials 29, 1606405‑1606405 (2017). doi: 10.1002/adma.201606405.

Extraction method: Manual entry
Entry added on: March 25, 2019, 3:31 p.m.
Entry added by: Xiaochen Du Duke University
Last updated on: Aug. 31, 2022, 11:11 a.m.
Last updated by: Rayan C Duke University
Data correctness verified by:
  • Rayan C Duke University

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