Issue 22, 2023

Wearable electrochromic materials and devices: from visible to infrared modulation

Abstract

Wearable electronics with optical modulation in the visible and infrared range attract great interest due to promising diverse applications in displays, camouflage, visual sensation, and thermal management. Among different optical modulation approaches, electrochromic (EC) technology, with high controllability, abundant colour species, and low energy consumption, can realize reversible visible and infrared modulation through electrochemical redox reactions of the EC materials under a low voltage. As a result, the wearable flexible EC devices have made significant progress in mechanical flexibility, device structure, and optical modulation range. In this Review, we systematically introduce and discuss the recent advances in wearable EC devices with optical modulation from the visible to infrared range. The structure features for planar and fibre EC devices are first introduced. The bendable, stretchable, and EC fibre devices are then discussed based on the choice of materials and structural design. The progress of EC devices with infrared modulation is summarized according to material classification. At last, their potential applications are demonstrated in wearable displays, camouflage, energy storage, visual sensation, and thermal comfort, which may promote the wide application of wearable electronics.

Graphical abstract: Wearable electrochromic materials and devices: from visible to infrared modulation

Article information

Article type
Review Article
Submitted
31 mar 2023
Accepted
07 maj 2023
First published
10 maj 2023

J. Mater. Chem. C, 2023,11, 7183-7210

Wearable electrochromic materials and devices: from visible to infrared modulation

H. Fan, W. Wei, C. Hou, Q. Zhang, Y. Li, K. Li and H. Wang, J. Mater. Chem. C, 2023, 11, 7183 DOI: 10.1039/D3TC01142A

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