Ethanol catalytic deposition of MoS2 on tapered fiber

Hao Wang; Bohua Chen; Xiaoyan Zhang; Sheng Liu; Bangqi Zhu; Jun Wang; Kan Wu; Jianping Chen

doi:10.1364/PRJ.3.00A102

Journals >Photonics Research >Volume 3 >Issue 3 >Page A102 > Article

Photonics Research
Vol. 3, Issue 3, A102 (2015)

Ethanol catalytic deposition of MoS₂ on tapered fiber

Hao Wang¹, Bohua Chen¹, Xiaoyan Zhang², Sheng Liu¹, Bangqi Zhu¹, Jun Wang², Kan Wu^1、*, and Jianping Chen¹

Author Affiliations

¹State Key Laboratory of Advanced Optical Communication Systems and Networks, Department of Electronic Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

²Key Laboratory of Materials for High-Power Laser, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China

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DOI: 10.1364/PRJ.3.00A102 Cite this Article Set citation alerts

Hao Wang, Bohua Chen, Xiaoyan Zhang, Sheng Liu, Bangqi Zhu, Jun Wang, Kan Wu, Jianping Chen. Ethanol catalytic deposition of MoS₂ on tapered fiber[J]. Photonics Research, 2015, 3(3): A102 Copy Citation Text

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(a) Procedures of preparation of MoS2–ethanol dispersions. (b) TEM image of MoS2 nanosheets with 50 nm scale bar. (c) High-resolution TEM image with 10 nm scale bar.

Fig. 1. (a) Procedures of preparation of MoS2–ethanol dispersions. (b) TEM image of MoS2 nanosheets with 50 nm scale bar. (c) High-resolution TEM image with 10 nm scale bar.

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Fig. 2. Experimental setup for ethanol catalytic MoS2 deposition on tapered fiber.

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Fig. 3. (a) Typical evolution of the optical loss during the deposition of MoS2. Inset: microscope image of the deposited MoS2. (b) Raman spectra of MoS2 in the dispersions and deposited on the tapered fiber.

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Fig. 4. Deposition process using water, DMF, ethanol, and acetone as solvent.

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Fig. 5. (a) Deposition process under different injected optical power levels. Inset: evolution of optical loss when the EDFA was turned off and turned on again (see Media 1 in detail). (b) Deposition rate and the movement speed of the MoS2 nanosheets with respect to the injected optical power.

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Fig. 6. Deposition process using different diameters of the tapered fiber.

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Fig. 7. (a) Saturable absorption of the MoS2 deposited tapered fiber. (b) Optical spectrum of the Q-switched laser under 120 mW pump. (c) Pulse train of the Q-switched laser. (d) Single pulse profile.

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Solvent	Water	DMF	Ethanol	Acetone
Deposition rate (dB/s)	$0.0018 \pm 0.0003$	$0.006 \pm 0.004$	$0.016 \pm 0.004$	$0.139 \pm 0.047$
Movement speed (μm/s)	$\sim 210$	$\sim 470$	$\sim 980$	$\sim 11200$

Table 1. Deposition Rates and Movement Speeds of the MoS2 Nanosheets for Different Solvents

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Optical power (dBm)	15	14	12	10	8	6	4	2	0
Deposition rate (dB/s)	$0.087 \pm 0.021$	$0.063 \pm 0.020$	$0.057 \pm 0.016$	$0.038 \pm 0.009$	$0.017 \pm 0.005$	$0.009 \pm 0.002$	$0.004 \pm 0.002$	$0.001 \pm 0.001$	$0.000 \pm 0.001$
Movement Speed (μm/s)	$\sim 8200$	$\sim 6740$	$\sim 3740$	$\sim 1790$	$\sim 1020$	$\sim 480$	$\sim 240$	$\sim 100$	$\sim 70$

Table 2. Deposition Rates and Movement Speeds of the Nanosheets for Different Optical Power Levels

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Diameter (μm)	4	6	8	10	12
Deposition rate (dB/s)	$0.104 \pm 0.065$	$0.056 \pm 0.017$	$0.030 \pm 0.011$	$0.016 \pm 0.004$	$0.001 \pm 0.0003$
Movement speed (μm/s)	$\sim 9700$	$\sim 4700$	$\sim 2600$	$\sim 980$	$\sim 160$

Table 3. Deposition Rates and Movement Speeds of the Nanosheets for Different Diameters

Hao Wang, Bohua Chen, Xiaoyan Zhang, Sheng Liu, Bangqi Zhu, Jun Wang, Kan Wu, Jianping Chen. Ethanol catalytic deposition of MoS₂ on tapered fiber[J]. Photonics Research, 2015, 3(3): A102

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