Mid-Infrared Luminescence of the High Stability Perovskite CsPb1-xErxBr3-ZrF4-BaF2-LaF3-AlF3-NaF Fluoride Glass.

ACS Applied Materials & Interfaces
Hao YinYueming Zhang

Abstract

Perovskites have been studied because of their adjustable wavelength range, high color purity, and wide color gamut. However, they still face some problems such as poor stability and insufficient infrared luminescence. The perovskite glass can improve the stability and luminescence properties of the perovskite. In this paper, a highly stable CsPb1-xErxBr3-ZBLAN fluoride glass with mid-infrared and visible light emission was prepared. The ZBLAN fluoride glass has good inertness, which can improve the stability of the CsPb1-xErxBr3 perovskite. The CsPb1-xErxBr3-ZBLAN fluoride glass can prevent the perovskite from being destroyed by water, oxygen, and laser. The Er3+ replaces Pb2+ to bond with Br- to become the luminescent center of the CsPb1-xErxBr3-ZBLAN perovskite glass, which extends the luminescence to the mid-infrared region. In addition, its luminescent intensity is significantly higher than those of the ZBLAN-Er glass and CsPb1-xErxBr3 perovskite. After irradiation with a 365 nm UV lamp for 13 h, the luminescence intensity of the CsPb1-xErxBr3-ZBLAN perovskite glass decreases only by 10%. The EDS spectrum shows that the elements of the CsPb1-xErxBr3 perovskite are uniformly distributed in the glass matrix. The X-ray diffra...Continue Reading

References

Jul 16, 2014·Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy·Wenjun ZhangLiang Rong
Oct 30, 2014·Physical Chemistry Chemical Physics : PCCP·Hsin-Sheng DuanYang Yang
Aug 11, 2017·Chemical Society Reviews·Huan Wang, Dong Ha Kim
Mar 20, 2018·Chemical Communications : Chem Comm·Rongrong YuanXiaojuan Liang
Aug 18, 2018·Applied Optics·Wenlong DingJiajia Zhang

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