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Title: Low temperature synthesis of CsPbI3 sub-micrometer wires with tailored emission band for flexible X-ray phosphors applications
Authors: Zhao, JQ
Yu, HN
Pan, SS
Zhou, S
Zhong, L
Wang, H
Luo, YY
Yu, SF 
Li, GH
Issue Date: 2017
Publisher: Elsevier
Source: Journal of luminescence, 2017, v. 188, p. 454-459 How to cite?
Journal: Journal of luminescence 
Abstract: CsPbI3 sub-micrometer wires were synthesized by one-pot solution method at near room temperature. The wires are single crystalline with [100] orientation. An strong emission band centered at 470 nm was observed under ultraviolet excitation, and the emission intensity and bandwidth are dependent on the molar ratio of CsI/PbI2 in the wires. A bright green emission with a lifetime of several tens ns was observed when excited with a soft X-ray, and the spectral response range can be modulated by the molar ratio of CsI/PbI2 in the wires. The growth mechanism of the wires was discussed, and the influences of the cycling strain and X-ray irrigation time on the Xray excited optical luminescence of the CsI/PbI2 wires/PET film were analyzed and discussed.
ISSN: 0022-2313
EISSN: 1872-7883
DOI: 10.1016/j.jlumin.2017.04.069
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