Issue 4, 2019
From the journal:

Nanoscale

2D group-VA fluorinated antimonene: synthesis and saturable absorption†

Guangju Zhang, ORCID logo ‡a   Xian Tang,‡b   Xing Fu,a   Weicheng Chen,c   Babar Shabbir,d   Han Zhang, ORCID logo *b   Qiang Liu*a  and  Mali Gong*a  

* Corresponding authors

a Center for Photonics and Electronics, Department of Precision Instruments, Tsinghua University, Beijing 100084, China
E-mail: qiangliu@mail.tsinghua.edu.cn, gongml@mail.tsinghua.edu.cn

b Shenzhen Engineering Laboratory of Phosphorene and Optoelectronics, Collaborative Innovation Center for Optoelectronics Science and Technology, and Key Laboratory of Optoelectronics Devices and Systems of Ministry of Education and Guangdong Province, Shenzhen University, Shenzhen 518060, China
E-mail: hzhang@szu.edu.cn

c School of Physics and Optoelectronic Engineering, Foshan University, Foshan 528000, China

d Department of Materials Science and Engineering, and ARC Centre of Excellence in Future Low-Energy Electronics Technologies (FLEET), Monash University, Clayton, VIC 3800, Australia

Abstract

A new derivative of antimonene named fluorinated antimonene was synthesized using the method of ionic liquid-assisted electrochemical exfoliation and synchronous fluorination. Passive Q-switched pulses were produced from a Nd:LuAG laser with fluorinated antimonene, having a pulse width of 326.7 ns and a repetition rate of 733.1 kHz demonstrating its potential application as a saturable absorber. Density functional theory calculations revealed that compared with pure antimonene with an indirect bandgap, fluorinated antimonene exhibits a direct bandgap modulated by the fluorination degree showing that fluorinated antimonene would be applied as optical devices beyond its application as a saturable absorber.

Graphical abstract: 2D group-VA fluorinated antimonene: synthesis and saturable absorption

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Article information

DOI
https://doi.org/10.1039/C8NR07894G
Article type
Paper
Submitted
28 Sep 2018
Accepted
19 Dec 2018
First published
20 Dec 2018

Nanoscale, 2019,11, 1762-1769

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2D group-VA fluorinated antimonene: synthesis and saturable absorption

G. Zhang, X. Tang, X. Fu, W. Chen, B. Shabbir, H. Zhang, Q. Liu and M. Gong, Nanoscale, 2019, 11, 1762 DOI: 10.1039/C8NR07894G

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