Optical limiting property and mechanism of 2D MXene Nb2CTx nanosheets

Lihe Yan; Yaoyao Ma; Jinhai Si; Xun Hou

doi:10.1117/1.OE.61.2.026108

23 February 2022 Optical limiting property and mechanism of 2D MXene Nb₂CT_x nanosheets

Lihe Yan, Yaoyao Ma, Jinhai Si, Xun Hou

Author Affiliations +

Funded by: National Natural Science Foundation of China (NSFC)

Optical Engineering, Vol. 61, Issue 2, 026108 (February 2022). https://doi.org/10.1117/1.OE.61.2.026108

Abstract

We study the optical limiting (OL) property of a newly emerged MXene material, niobium carbide (Nb₂CT_x) nanosheets, using nanosecond laser Z-scan measurement. The nanosheets exhibited excellent OL property, and the OL thresholds are estimated to be about 0.35 and 0.44 J / cm² for 532 and 1064 nm, respectively. Compared with the traditional OL material, reduced graphene oxide, Nb₂CT_x nanosheets show a better OL property. The nonlinear scattering (NLS) measurements indicate that the excellent OL behavior of the nanosheets originates mainly from the strong NLS effect due to the good photothermal property of the material.

Citation Download Citation

Lihe Yan, Yaoyao Ma, Jinhai Si, and Xun Hou "Optical limiting property and mechanism of 2D MXene Nb₂CT_x nanosheets," Optical Engineering 61(2), 026108 (23 February 2022). https://doi.org/10.1117/1.OE.61.2.026108

Received: 7 October 2021; Accepted: 8 February 2022; Published: 23 February 2022

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