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JIN Mingming, LIU Ruoyu, XIANG Huiqing, LIU Jianguo, ZENG Xiaoyan. Reduction mechanism of laser on copper hydroxyphosphate[J]. LASER TECHNOLOGY, 2020, 44(2): 148-155. DOI: 10.7510/jgjs.issn.1001-3806.2020.02.002
Citation: JIN Mingming, LIU Ruoyu, XIANG Huiqing, LIU Jianguo, ZENG Xiaoyan. Reduction mechanism of laser on copper hydroxyphosphate[J]. LASER TECHNOLOGY, 2020, 44(2): 148-155. DOI: 10.7510/jgjs.issn.1001-3806.2020.02.002
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Reduction mechanism of laser on copper hydroxyphosphate

  • 1.

    Functional Laboratory of Laser and Terahertz Technology, Wuhan National Laboratory of Optoelectronics, Huazhong University of Science and Technology, Wuhan 430074, China

  • 2.

    Wuhan Formerstudy Senior Middle School, Wuhan 430075, China

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  • Received Date: May 04, 2019
  • Revised Date: August 14, 2019
  • Published Date: March 24, 2020
    Graphical Abstract
    • Abstract
  • In order to study the interaction mechanism between laser and spinel compounds in laser selective metallization technology, copper hydroxyphosphate (Cu2(OH)PO4), a cheap and high-quality photocatalyst with spinel structure, was selected as research object. The interaction mechanism between nanosecond pulsed fiber laser with 1064nm, continuous wave fiber laser and nanosecond pulsed ultraviolet laser with 355nm wavelength and copper hydroxyphosphate was discussed by using X-ray photoelectron spectroscopy. The results show that, all three lasers can reduce +2 copper element (Cu2+) in copper hydroxyphosphate to +1 copper element (Cu+). The original process varies with laser power (0.13W~3.89W) or laser energy density (2.76J/cm2~25.48J/cm2). Thermal properties and UV-visible absorption spectra of copper hydroxyphosphate were analyzed. In the above reduction process, photothermal and photochemical reactions may exist simultaneously by preliminary judgment. This study provides theoretical basis for copper hydroxyphosphate as new type of laser active material.
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    • References (21)
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