| 电子辐照制备二维锑烯光限幅材料 |
| |
| 引用本文： | 张磊,武昊然,董涛涛,张则琪,王强,张浩力. 电子辐照制备二维锑烯光限幅材料[J]. 红外与激光工程, 2019, 48(11): 1103004-1103004(5). DOI: 10.3788/IRLA201948.1103004 |
| |
| 作者姓名： | 张磊 武昊然 董涛涛 张则琪 王强 张浩力 |
| |
| 作者单位： | 1.兰州大学 化学化工学院 功能有机分子化学国家重点实验室,甘肃 兰州 730000 |
| |
| 基金项目： | 国家自然科学基金（51733004，51525303，21673106）;空间环境材料行为与评价技术国家重点实验室开放基金（ZZYY-KFJJ-LXTZ03） |
| |
| 摘 要： | 块状材料锑粒通过液相剥离成功制备了锑烯纳米片。采用扫描电镜、紫外-可见吸收光谱和拉曼光谱对所制锑烯进行了表征，制备的锑烯纳米片展现出从紫外区到可见光区的宽谱吸收，并且展现出锑的拉曼特征峰，微观结构上展示出二维纳米片状的独特结构。利用Z-扫描技术对所制样品的三阶非线性光学性质测试发现，在脉冲宽度为4 ns、波长为532 nm的激光光源激发下，锑烯展示出饱和吸收的性质，其非线性吸收系数为-7.8610-11 m/W。通过对样品进行电子辐照，成功获取了具有光限幅性质的二维锑烯。辐照后的锑烯展示出反饱和吸收的性质，非线性吸收系数为8.6910-11 m/W。
|
| 关 键 词： | 锑烯 电子辐照 光限幅 |
| 收稿时间： | 2019-07-06 |
Optical limiting two-dimensional antimonene via electron irradiation |
| |
| Affiliation: | 1.State Key Laboratory of Applied Organic Chemistry(SKLAOC),College of Chemistry and Chemical Engineering,Lanzhou University,Lanzhou 730000,China |
| |
| Abstract: | Antimonene was prepared through liquid phase exfoliation of bulk materials. The as-prepared sample was characterized by scanning electron microscope (SEM), ultraviolet-visible (UV-vis) absorption spectroscopy, and Raman scattering spectroscopy in details. Broad absorption from ultraviolet to visible region was observed in the UV-vis absorption spectra. Two typical peaks assigned to Sb were detected in Raman spectra. A flat typical structure corresponding to two-dimensional materials was observed in microscopic characterization. Then Z-scan technique was utilized to test the third-order nonlinear optical properties of the sample. The as-prepared antimonene exhibited saturation absorption when excited by a laser source with pulse width of 4 ns and wavelength of 532 nm. The nonlinear absorption coefficient was -7.8610-11 m/W. Upon electron irradiation, antimonene was successfully transformed into optical limiting materials, which exhibited reverse saturable absorption with a nonlinear absorption coefficient of 8.6910-11 m/W. |
| |
| Keywords: | |
|
| 点击此处可从《红外与激光工程》浏览原始摘要信息 |
|
点击此处可从《红外与激光工程》下载免费的PDF全文 |
