Multimode electrochromic device and preparation method thereof

A technology of electrochromic devices and conductive surfaces, applied in instruments, nonlinear optics, optics, etc., can solve problems such as poor controllability, achieve low production cost, strong controllability, and increase cycle stability

Active Publication Date: 2016-11-16
UNIV OF ELECTRONICS SCI & TECH OF CHINA
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  • Abstract
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Problems solved by technology

[0004] Aiming at the problem that the color-changing device produced according to the existing electrodeposition method can realize the reversible transition between the transparent state, the mirror state and the black state, but the controllability is poor, the present invention provides a multi-state electrochromic device and its preparation method

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  • Multimode electrochromic device and preparation method thereof
  • Multimode electrochromic device and preparation method thereof
  • Multimode electrochromic device and preparation method thereof

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Embodiment Construction

[0028] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and implementation examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] A method for preparing a multi-state electrochromic device of the present invention is to immerse a first transparent conductive substrate having at least one conductive surface into a metal oxide nanoparticle dispersion and then immerse the first transparent conductive substrate for a predetermined period of time. The substrate is pulled out from the metal oxide nanoparticle dispersion, so that a layer of evenly distributed metal oxide nanoparticle film is adhered to the conductive surface of the first transparent conductive substrate;

[0030] Sintering the above-formed fi...

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Abstract

The invention relates to the technical field of functional materials and devices, in particular to a multimode electrochromic device and a preparation method thereof. According to the preparation method of the multimode electrochromic device, dipping lifting is adopted so that a metallic oxide nano-particle film can be formed on a conducting surface of a transparent conducting substrate more uniformly and reversible transition among a mirror surface state, a transparent state and a black state of the electrochromic device can be realized, and controllability is high. The multimode electrochromic device is prepared through the preparation method. The multimode electrochromic device and the preparation method thereof have the advantages that reversible transition among the mirror surface state, the transparent state and the black state can be realized, and controllability is high.

Description

【Technical field】 [0001] The invention relates to the technical field of functional materials and devices, in particular to a multi-state electrochromic device and a preparation method thereof. 【Background technique】 [0002] Electrochromism refers to the phenomenon that the transmittance or reflectance of a specific material to light changes reversibly due to redox reactions under the action of an applied potential. Since Deb developed the first electrochromic device using tungsten trioxide in 1969, electrochromic devices based on various material systems, different structures and different discoloration mechanisms have emerged continuously. According to the different mechanism of discoloration, electrochromism can be divided into three categories: by applying an external voltage, ions (mainly Li + 、H + ) to achieve discoloration, such as transition metal oxides tungsten trioxide, nickel oxide, vanadium pentoxide, molybdenum trioxide, etc.; hydrogen-induced phase transfor...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02F1/153G02F1/155
CPCG02F1/153G02F1/155
Inventor 吴露胡琮璟刘帅陈麒光向勇
Owner UNIV OF ELECTRONICS SCI & TECH OF CHINA
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