Chinese Optics Letters, 2021, 19 (1): 011901, Published Online: Dec. 18, 2020  

Facile preparation of silver nanoparticles in bulk silicate glass by high-repetition-rate picosecond laser pulses Download: 760次

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

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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