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Strong optical limiting behavior discovered in black phosphorus

机译:黑色磷中发现的强光学限制行为

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Black phosphorous (BP), the most thermodynamically stable allotrope of phosphorus, fills up the lacuna left by other two-dimensional materials with a band gap from 0.3 to 2 eV. The narrow direct band gap and the strong light-matter interaction make BP a promising nonlinear optical (NLO) nano-material. In this paper, the NLO properties of multilayer BP nano-sheets were researched by an open aperture z-scan method. Optical limiting (OL) behavior was observed in the BP material. Three different excitation wavelengths (1064, 532 and 355 nm) were used in the experiments, and the long wavelength excitation exhibited superior NLO performance, including OL and saturable absorption (SA). Our results demonstrate that BP is a promising candidate for OL applications.
机译:黑色磷(BP),最热力学稳定的磷,剩下的其他二维材料填满了带隙从0.3〜2eV的带隙的拉丝。 窄的直接带隙和强光物质相互作用使BP成为有前途的非线性光学(NLO)纳米材料。 本文通过开放式Z扫描方法研究了多层BP纳米片的NLO性能。 在BP材料中观察到光学限制(OL)行为。 实验中使用三种不同的激发波长(1064,532和355nm),并且长波长激励表现出优异的NLO性能,包括醇和可饱和的吸收(SA)。 我们的结果表明,BP是OL应用的有希望的候选者。

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  • 来源
    《RSC Advances》 |2016年第24期|共7页
  • 作者单位

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Peoples R China;

    Shandong Univ State Key Lab Crystal Mat Jinan 250100 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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