中国物理B ›› 2026, Vol. 35 ›› Issue (4): 46802-046802.doi: 10.1088/1674-1056/ae1569

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Optical modulation and fabrication of two-dimensional VO2(M)-AgSiO2 shell/core composite photonic crystal structures

Jiong Wu(吴炯)1, Zhangyang Zhou(周章洋)1,†, Li Zhu(朱黎)1, Liushun Wang(王六顺)1, Ming Du(杜明)1, Hongjun Wu(吴红君)2, Qingwei Wang(王情伟)1, Dahua Ren(任达华)1, Teng Zhang(张腾)1, Yongdan Zhu(朱永丹)1, and Jinqiao Yi(易金桥)1,‡   

  1. 1 College of Intelligent Systems Science and Engineering, Hubei Minzu University, Enshi 445000, China;
    2 School of Chemistry and Environmental Engineering, Hubei Minzu University, Enshi 445000, China
  • 收稿日期:2025-08-13 修回日期:2025-10-15 接受日期:2025-10-21 发布日期:2026-04-07
  • 通讯作者: Zhangyang Zhou, Jinqiao Yi E-mail:zhangyangzhou0000@163.com;2006009@hbmzu.edu.cn
  • 基金资助:
    Project supported by the National Natural Science Foun299 dation of China (Grant No. 12464004), Hubei Province Nat300 ural Science Foundation, China (Grant No. 2025AFB307), 301 Hubei Province Natural Science Foundation Joint Fund 302 Project (Grant No. 2024AFD069), Innovation Fund Project 303 for College Students of Hubei Minzu University (Grant 304 No. S202510517019), and Enshi Catching-up Science and 305 Technology Project (Grants No. XYJ2023000170).

Optical modulation and fabrication of two-dimensional VO2(M)-AgSiO2 shell/core composite photonic crystal structures

Jiong Wu(吴炯)1, Zhangyang Zhou(周章洋)1,†, Li Zhu(朱黎)1, Liushun Wang(王六顺)1, Ming Du(杜明)1, Hongjun Wu(吴红君)2, Qingwei Wang(王情伟)1, Dahua Ren(任达华)1, Teng Zhang(张腾)1, Yongdan Zhu(朱永丹)1, and Jinqiao Yi(易金桥)1,‡   

  1. 1 College of Intelligent Systems Science and Engineering, Hubei Minzu University, Enshi 445000, China;
    2 School of Chemistry and Environmental Engineering, Hubei Minzu University, Enshi 445000, China
  • Received:2025-08-13 Revised:2025-10-15 Accepted:2025-10-21 Published:2026-04-07
  • Contact: Zhangyang Zhou, Jinqiao Yi E-mail:zhangyangzhou0000@163.com;2006009@hbmzu.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foun299 dation of China (Grant No. 12464004), Hubei Province Nat300 ural Science Foundation, China (Grant No. 2025AFB307), 301 Hubei Province Natural Science Foundation Joint Fund 302 Project (Grant No. 2024AFD069), Innovation Fund Project 303 for College Students of Hubei Minzu University (Grant 304 No. S202510517019), and Enshi Catching-up Science and 305 Technology Project (Grants No. XYJ2023000170).

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摘要： The high phase transition temperature, low solar modulation efficiency, and unfavorable brown-yellow color have limited the practical application of VO$_{2}$-based smart windows. By embedding a hexagonal close-packed monolayer array of SiO$_{2}$ into the monoclinic VO$_{2}$(M)-Ag composite film using an electron-beam evaporation system, a two-dimensional VO$_{2}$(M)-AgSiO$_{2}$ shell/core photonic crystal composite material was formed. Due to the increased contact area between Ag and VO$_{2}$(M) within the composite material, the concentration of free electrons in VO$_{2}$(M) increases, causing the phase transition to occur at a lower temperature of 52.2 $^\circ$C. With the embedded SiO$_{2}$ array, the solar modulation efficiency is enhanced to 25.4 %, and the visible light modulation efficiency increases by nearly 7 times. Additionally, the grating effect of the photonic crystal significantly diffracts light around the 600 nm wavelength, reducing the strong absorption of VO$_{2}$(M) in the shortwave range and diluting its inherent brown-yellow color. By embedding the SiO$_{2}$ array into the VO$_2$(M)-Ag composite film, this approach simultaneously achieves a reduction in phase transition temperature, enhancement of solar modulation efficiency, and color adjustment of the film, providing a reference for the practical application of VO$_{2}$ in smart windows.

关键词: vanadium dioxide, photonic crystal, phase transition, solar modulation efficiency

Abstract: The high phase transition temperature, low solar modulation efficiency, and unfavorable brown-yellow color have limited the practical application of VO$_{2}$-based smart windows. By embedding a hexagonal close-packed monolayer array of SiO$_{2}$ into the monoclinic VO$_{2}$(M)-Ag composite film using an electron-beam evaporation system, a two-dimensional VO$_{2}$(M)-AgSiO$_{2}$ shell/core photonic crystal composite material was formed. Due to the increased contact area between Ag and VO$_{2}$(M) within the composite material, the concentration of free electrons in VO$_{2}$(M) increases, causing the phase transition to occur at a lower temperature of 52.2 $^\circ$C. With the embedded SiO$_{2}$ array, the solar modulation efficiency is enhanced to 25.4 %, and the visible light modulation efficiency increases by nearly 7 times. Additionally, the grating effect of the photonic crystal significantly diffracts light around the 600 nm wavelength, reducing the strong absorption of VO$_{2}$(M) in the shortwave range and diluting its inherent brown-yellow color. By embedding the SiO$_{2}$ array into the VO$_2$(M)-Ag composite film, this approach simultaneously achieves a reduction in phase transition temperature, enhancement of solar modulation efficiency, and color adjustment of the film, providing a reference for the practical application of VO$_{2}$ in smart windows.

Key words: vanadium dioxide, photonic crystal, phase transition, solar modulation efficiency

中图分类号:  (Gas-liquid and vacuum-liquid interfaces)

  • 68.03.-g
68.35.-p (Solid surfaces and solid-solid interfaces: structure and energetics)