A promising optical limiting material: Tunable third-order nonlinear optical properties of robust CsPbX3 (X=Cl/Br, Br) nanocrystals glasses. Issue 12 (September 2020)

• Record Type: Journal Article
• Authors: Jin, Mengfeifei; Liang, Xiaojuan; Zhang, Huiling; Liu, Jianming; Shao, Guangzhan; Xiang, Weidong; Song, Yinglin
• Is Part Of: Journal of the European Ceramic Society. Volume 40:Issue 12(2020)
• Page Start: 4140
• Page End: 4147
• Publication Date: 2020-09
• Subjects: Nanocrystals glass -- Perovskite -- Nonlinear optical -- NIT-PO -- Optical limiting; Ceramic materials -- Periodicals; Composite materials -- Periodicals; Matériaux céramiques -- Périodiques; Composites -- Périodiques; Ceramic materials; Composite materials; Periodicals; Electronic journals; 666.05
• DOI: 10.1016/j.jeurceramsoc.2020.04.035
• Languages: English
• ISSNs: 0955-2219

Abstract

Abstract: As laser technology advances, the importance of laser protection puts an urgent demand for robust and high-efficient optical limiting materials. In this work, CsPbX3 (X = Cl/Br, Br) NCs were synthesized by precisely controlling the ratio of Cl − to Br − and the heat treatment temperature, and the third-order nonlinear (TONL) optical properties of them were investigated systematically and deeply based on a nonlinear optical imaging technique with the phase-object (NIT-PO) at 532 nm for the first time. All of them demonstrate strong reverse saturation absorption (∼10 -12 –10 -11 m/W), and the sign of TONL refraction index (γ) relates to the component (CsPb(Cl/Br)3 NCs glasses: ∼10 -20 m 2 /W, CsPbBr3 NCs glasses: ∼−10 -20 to 10 -19 m 2 /W). In addition, they have excellent characteristics of thermal stability and water stability, as well as photostability under 455 nm laser irradiation, indicating that it is a promising optical limiting material.