Multicolor Tunable Electrochromic Materials Based on the Burstein–Moss Effect

Zhou, Xia; Huang, Enhui; Zhang, Rui; Xiang, Hui; Zhong, Wenying; Xu, Bo

doi:10.3390/nano13101580

Open AccessArticle

Multicolor Tunable Electrochromic Materials Based on the Burstein–Moss Effect

by

Xia Zhou

¹,

Enhui Huang

¹,

Rui Zhang

¹,

Hui Xiang

^2,*,

Wenying Zhong

¹ and

Bo Xu

^1,*

¹

Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, Nanjing 211198, China

²

School of Mathematics and Physics, Hubei Polytechnic University, Huangshi 435003, China

^*

Authors to whom correspondence should be addressed.

Nanomaterials 2023, 13(10), 1580; https://doi.org/10.3390/nano13101580

Submission received: 17 March 2023 / Revised: 7 April 2023 / Accepted: 18 April 2023 / Published: 9 May 2023

(This article belongs to the Special Issue First-Principle Calculation Study of Nanomaterials)

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Abstract

Inorganic electrochromic (EC) materials, which can reversibly switch their optical properties by current or potential, are at the forefront of commercialization of displays and smart windows. However, most inorganic EC materials have challenges in achieving multicolor tunability. Here, we propose that the Burstein–Moss (BM) effect, which could widen the optical gap by carrier density, could be a potential mechanism to realize the multicolor tunable EC phenomenon. Degenerated semiconductors with suitable fundament band gaps and effective carrier masses could be potential candidates for multicolor tunable EC materials based on the BM effect. We select bulk Y₂CF₂ as an example to illustrate multicolor tunability based on the BM effect. In addition to multicolor tunability, the BM effect also could endow EC devices with the ability to selectively modulate the absorption for near infrared and visible light, but with a simpler device structure. Thus, we believe that this mechanism could be applied to design novel EC smart windows with unprecedented functions.

Keywords: electrochromic (EC) materials; multicolor tunable; Burstein–Moss effect

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MDPI and ACS Style

Zhou, X.; Huang, E.; Zhang, R.; Xiang, H.; Zhong, W.; Xu, B. Multicolor Tunable Electrochromic Materials Based on the Burstein–Moss Effect. Nanomaterials 2023, 13, 1580. https://doi.org/10.3390/nano13101580

AMA Style

Zhou X, Huang E, Zhang R, Xiang H, Zhong W, Xu B. Multicolor Tunable Electrochromic Materials Based on the Burstein–Moss Effect. Nanomaterials. 2023; 13(10):1580. https://doi.org/10.3390/nano13101580

Chicago/Turabian Style

Zhou, Xia, Enhui Huang, Rui Zhang, Hui Xiang, Wenying Zhong, and Bo Xu. 2023. "Multicolor Tunable Electrochromic Materials Based on the Burstein–Moss Effect" Nanomaterials 13, no. 10: 1580. https://doi.org/10.3390/nano13101580

APA Style

Zhou, X., Huang, E., Zhang, R., Xiang, H., Zhong, W., & Xu, B. (2023). Multicolor Tunable Electrochromic Materials Based on the Burstein–Moss Effect. Nanomaterials, 13(10), 1580. https://doi.org/10.3390/nano13101580

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Multicolor Tunable Electrochromic Materials Based on the Burstein–Moss Effect

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