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  • Received: Jun. 28, 2020

    Accepted: Sep. 4, 2020

    Posted: Dec. 2, 2020

    Published Online: Dec. 18, 2020

    The Author Email: Quanzhong Zhao (zqz@siom.ac.cn)

    DOI: 10.3788/COL202119.011901

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    Danyang Shen, Jing Qian, Chengwei Wang, Guande Wang, Xuehui Wang, Quanzhong Zhao. Facile preparation of silver nanoparticles in bulk silicate glass by high-repetition-rate picosecond laser pulses[J]. Chinese Optics Letters, 2021, 19(1): 011901

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Chinese Optics Letters, Vol. 19, Issue 1, 011901 (2021)

Facile preparation of silver nanoparticles in bulk silicate glass by high-repetition-rate picosecond laser pulses

Danyang Shen1,2, Jing Qian1,2, Chengwei Wang1,2, Guande Wang1,2, Xuehui Wang3, and Quanzhong Zhao1,2,*

Author Affiliations

  • 1State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Shanghai 201800, China
  • 2Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China
  • 3Technology Center, Huagong Laser Engineering Co., Ltd., Wuhan 430000, China

Abstract

One-step precipitation of Ag nanoparticles in Ag+-doped silicate glasses was achieved through a focused picosecond laser with a high repetition rate. Absorption spectra and transmission electron microscopy (TEM) confirmed that metallic Ag nanoparticles were precipitated within glass samples in the laser-written domain. The surface plasmon absorbance fits well with the experimental absorption spectrum. The nonlinear absorption coefficient β is determined to be 2.47 × 10-14 m/W by fitting the open aperture Z-scan curve, which originated from the intraband transition in the s-p Ag band. The formation mechanism of Ag-glass nanocomposites is discussed as well.

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