Core-shell structure photonic crystal electrochromic composite film and preparation method thereof
A photonic crystal and electrochromic technology, applied in the coating and other directions, can solve the problems of short life and poor cycle stability of color-changing films, and achieve the effects of low cost, enhanced optical contrast and response rate, and improved conductivity and transparency.
Pending Publication Date: 2022-02-11
NANJING INST OF TECH
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The invention discloses a core-shell structure photonic crystal electrochromic composite film, wherein the electrochromic composite film is formed by electrically polymerizing WO3 inverse opal with a conductive polymer PEDOT, the WO3 inverse opal is a core skeleton, and the conductive polymer PEDOT is a shell layer. The WO3 inverse opal structure is a porous hexagonal array, the aperture of the WO3 inverse opal is 700-800 nm, after the PEDOT is electrically polymerized, the inner diameter of the inverse opal is 500-600 nm, and the thickness of the PEDOT layer is 100-300 nm. The invention further discloses a preparation method of the core-shell structure photonic crystal electrochromic composite film. According to the core-shell structure photonic crystal electrochromic composite film and the preparation method thereof, the preparation method is simple and easy to implement and low in preparation cost, and the prepared electrochromic composite film is stable in structure, excellent in performance and long in cycle life.
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Property | Measurement | Unit |
Aperture | 680.0 | nm |
The inside diameter of | 510.0 | nm |
Thickness | 85.0 | nm |
tensile | MPa | |
Particle size | Pa | |
strength | 10 |
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