Preparation and Performance Study of MXene-Regulated Ethylene Glycol-Induced WO<sub>3</sub> Film
This study introduces the development of a W-M<sub>1.0</sub> electrochromic film, characterized by a “coral”-like TiO<sub>2</sub>@WO<sub>3</sub> heterostructure, synthesized via a hydrothermal process leveraging the inherent instability of MXene. The film showcase...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2024-12-01
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| Series: | Micromachines |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2072-666X/15/12/1486 |
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| Summary: | This study introduces the development of a W-M<sub>1.0</sub> electrochromic film, characterized by a “coral”-like TiO<sub>2</sub>@WO<sub>3</sub> heterostructure, synthesized via a hydrothermal process leveraging the inherent instability of MXene. The film showcases exceptional electrochromic performance, with a coloring response time of 2.8 s, a bleaching response time of 4.6 s, and a high coloring efficiency of 137.02 cm<sup>2</sup>C<sup>−1</sup>. It also demonstrates a superior light modulation ability of 73.83% at 1033 nm. Notably, the W-M<sub>1.0</sub> film exhibits remarkable cyclic stability, retaining over 90% of its initial light modulation capacity after 4000 cycles, outperforming many existing electrochromic materials. The film’s enhanced performance is credited to its coral-like structure, which boosts the specific surface area and promotes ion transport, and the TiO<sub>2</sub>@WO<sub>3</sub> heterojunctions, which enhance charge transfer and stabilize the material. Devices fabricated with the W-M<sub>1.0</sub> film as the cathode and a PB film as the anode exhibit a seamless transition from dark blue to colorless, underscoring their potential for smart window and dynamic glass applications. |
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| ISSN: | 2072-666X |