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金属微结构表面增强激光诱导击穿光谱的强度与稳定性

祁言兵 汤家原 姜蒙恩 周卫东

祁言兵, 汤家原, 姜蒙恩, 等. 金属微结构表面增强激光诱导击穿光谱的强度与稳定性[J]. 强激光与粒子束, 2024, 36: 091002. doi: 10.11884/HPLPB202436.240144
引用本文: 祁言兵, 汤家原, 姜蒙恩, 等. 金属微结构表面增强激光诱导击穿光谱的强度与稳定性[J]. 强激光与粒子束, 2024, 36: 091002. doi: 10.11884/HPLPB202436.240144
Qi Yanbing, Tang Jiayuan, Jiang Meng’en, et al. Spectral intensity and stability of surface-enhanced laser-induced breakdown spectroscopy of metallic microstructure[J]. High Power Laser and Particle Beams, 2024, 36: 091002. doi: 10.11884/HPLPB202436.240144
Citation: Qi Yanbing, Tang Jiayuan, Jiang Meng’en, et al. Spectral intensity and stability of surface-enhanced laser-induced breakdown spectroscopy of metallic microstructure[J]. High Power Laser and Particle Beams, 2024, 36: 091002. doi: 10.11884/HPLPB202436.240144

金属微结构表面增强激光诱导击穿光谱的强度与稳定性

doi: 10.11884/HPLPB202436.240144
基金项目: 国家自然科学基金项目(61975186)
详细信息
    作者简介:

    祁言兵,1913735276@qq.com

    通讯作者:

    周卫东,wdzhou@zjnu.cn

  • 中图分类号: O433.5

Spectral intensity and stability of surface-enhanced laser-induced breakdown spectroscopy of metallic microstructure

  • 摘要: 在金属铝表面用飞秒激光分别刻蚀了四种形状的微结构,对比分析了周期不同的矩形、圆形、三角形和六边形微结构对沉积在其表面Cr元素水溶液的表面增强激光诱导击穿光谱(LIBS)光谱强度和稳定性的影响。研究结果表明微结构的周期越小,光谱增强效果越显著,其中矩形微结构在相同周期下表现出最优光谱增强效果,相比于未处理的金属铝,其光谱强度增强了4倍左右。此外,六边形微结构的光谱稳定性最佳,具有良好的可重复性。研究结果为今后采用表面增强LIBS法检测水溶液中的重金属元素提供了一种可行的基底制备方法。
  • 图  1  LIBS实验装置示意图

    Figure  1.  Schematic diagram of the LIBS experimental setup

    图  2  样品烧蚀区域示意图

    Figure  2.  Schematic diagram of sample ablation area

    图  3  铝金属基板LIBS光谱

    Figure  3.  LIBS spectrum of aluminum metal substrate

    图  4  铝表面的光学显微三维图

    Figure  4.  Optical microscopic three-dimensional images of aluminum surface

    图  5  金属(铝)表面Cr元素LIBS光谱强度随微结构形状和周期的变化规律

    Figure  5.  Variation pattern of Cr element LIBS spectral intensity on the metal (aluminum) surface with different microstructure shapes and cycles

    图  6  四种微结构铝表面下LIBS光谱的RSD随微结构周期的变化规律(铝)

    Figure  6.  Variation trend of RSD of LIBS spectra under the surface of aluminum with four different microstructures as a function of microstructure cycle (Al)

    图  7  相同周期不同微结构形状铝表面干燥Cr元素的LIBS光谱强度图

    Figure  7.  LIBS spectral intensity of Cr elements on the surface of aluminum with different microstructural shapes but the same cycle under dry conditions

    图  8  不同微结构周期下LIBS光谱强度的RSD随铝表面微结构形状的变化规律(铝)

    Figure  8.  Variation trend of RSD of LIBS spectral intensity with changes in aluminum surface microstructure shapes under different microstructural cycles (aluminum)

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出版历程
  • 收稿日期:  2024-04-29
  • 修回日期:  2024-06-19
  • 录用日期:  2024-06-19
  • 网络出版日期:  2024-06-26
  • 刊出日期:  2024-08-16

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