Optical limiting performances of transitional metal dichalcogenides MX<sub>2</sub> (M = V, Nb, Ta; <inline-formula><math display="inline" id="m1" xmlns:mml="http://www.w3.org/1998/Math/MathML" /></inline-formula>X = S, Se) with ultralow initial threshold and optical limiting threshold

Chenglu Liang; Enze Wang; Xian Li; Jing Wang; Yijun Liu; Binyi Chen; Hongxiang Chen; Yang Liu; Xiangfang Peng

doi:10.3788/COL202220.021901

Chinese Optics Letters, Volume. 20, Issue 2, 021901(2022)

Optical limiting performances of transitional metal dichalcogenides MX₂ (M = V, Nb, Ta;

X = S, Se) with ultralow initial threshold and optical limiting threshold

Chenglu Liang¹, Enze Wang¹, Xian Li¹, Jing Wang¹, Yijun Liu¹, Binyi Chen¹, Hongxiang Chen^1,2、*, Yang Liu^1,2,3,4、**, and Xiangfang Peng¹

Author Affiliations

¹Department of Materials Science and Engineering, Fujian University of Technology, Fuzhou 350108, China

²Center for Advanced Energy and Functional Materials, Fujian University of Technology, Fuzhou 350108, China

³State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610207, China

⁴State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China

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Figures & Tables(7)

Fig. 1. XRD patterns of bulk TMDs and TMDs nanosheets. (a) VS₂; (b) NbS₂; (c) TaS₂; (d) VSe₂; (e) NbSe₂; (f) TaSe₂.

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Fig. 2. AFM images and corresponding height profiles (insets) of TMDs nanosheets obtained by LPE. (a) VS₂ nanosheets; (b) NbS₂ nanosheets; (c) TaS₂nanosheets; (d) VSe₂ nanosheets; (e) NbSe₂ nanosheets; (f) TaSe₂ nanosheets.

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Fig. 3. Open-aperture Z-scan for (a) VS₂ nanosheets, (b) NbS₂ nanosheets, (c) TaS₂ nanosheets, (d) VSe₂ nanosheets, (e) NbSe₂ nanosheets, and (f) TaSe₂ nanosheets, with different incident laser pulse energies; solid line: theoretical fitting data.

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Fig. 4. Optical limiting performances of VSe₂ nanosheets and C₆₀ tested at the same conditions. (a) Normalized transmittance at different input laser fluences. (b) Relationship between the normalized transmittance and the input laser fluences. (c) The F_S and F_OL values of C₆₀ and VSe₂ nanosheets.

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Fig. 5. (a) Relationship between the normalized transmittance of TMDs nanosheets and the input laser fluences. (b) Comparison of F_S and F_OL values for VSe₂ nanosheets in this work with other reported optical limiting materials at a laser wavelength of 532 nm.

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Table 1. Normalized Transmittance Values of TMDs Nanosheets under Different Input Laser Fluences
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Table 1. Normalized Transmittance Values of TMDs Nanosheets under Different Input Laser Fluences
Fluence ( $GW / {cm}^{2}$ ) Transmittance
${VS}_{2}$ ${NbS}_{2}$ ${TaS}_{2}$ ${VSe}_{2}$ ${NbSe}_{2}$ ${TaSe}_{2}$
0.32 0.53 0.56 0.55 0.51 0.58 0.64
0.64 0.32 0.36 0.45 0.40 0.41 0.42
0.96 0.28 0.28 0.38 0.35 0.34 0.37
1.28 0.23 0.23 0.25 0.30 0.32 0.34

Table 2. Linear Transmittance (T0), Initial Threshold (FS), and Optical Limiting Threshold (FOL) of TMDs Nanosheets at 532 nm
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Table 2. Linear Transmittance (T0), Initial Threshold (FS), and Optical Limiting Threshold (FOL) of TMDs Nanosheets at 532 nm
Materials $T_{0}$ (%) $F_{S}$ ( $J · {cm}^{- 2}$ ) $F_{OL}$ ( $J · {cm}^{- 2}$ )
${VS}_{2}$ 65 0.10 0.95
${NbS}_{2}$ 65 0.10 0.82
${TaS}_{2}$ 65 0.10 1.16
${VSe}_{2}$ 65 0.05 0.90
${NbSe}_{2}$ 65 0.08 1.53
${TaSe}_{2}$ 65 0.09 2.23

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Chenglu Liang, Enze Wang, Xian Li, Jing Wang, Yijun Liu, Binyi Chen, Hongxiang Chen, Yang Liu, Xiangfang Peng, "Optical limiting performances of transitional metal dichalcogenides MX₂ (M = V, Nb, Ta; X = S, Se) with ultralow initial threshold and optical limiting threshold," Chin. Opt. Lett. 20, 021901 (2022)

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Paper Information

Category: Nonlinear Optics

Received: Jun. 30, 2021

Accepted: Aug. 17, 2021

Published Online: Oct. 11, 2021

The Author Email: Hongxiang Chen (lost0512@126.com), Yang Liu (nxly18@163.com)

DOI:10.3788/COL202220.021901

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. Normalized Transmittance Values of TMDs Nanosheets under Different Input Laser Fluences

Table 1. Normalized Transmittance Values of TMDs Nanosheets under Different Input Laser Fluences

Table 2. Linear Transmittance (T0), Initial Threshold (FS), and Optical Limiting Threshold (FOL) of TMDs Nanosheets at 532 nm

Table 2. Linear Transmittance (T0), Initial Threshold (FS), and Optical Limiting Threshold (FOL) of TMDs Nanosheets at 532 nm