Improved electrochromic performances of WO3-based thin films via addition of CNTs
Source abstract
Abstract
Construction of a composite WO3 film has been considered to be an important way to improving the electrochemical performances and electrochromic properties. Herein, we fabricated a composite film containing WO3 nanoparticles, chitosan (CS), and carbon nanotubes (CNTs) by a layer-by-layer technique (LbL). The composite film displays light black to dark blue over the potential range from 0 to −1.5 V. Compared with the WO3/CS film, the WO3/CS-CNTs film displays increased current densities, which supported a greater number of sites for Li+ ions intercalation and extraction. Furthermore, the electrochromic performance of the composite film is enhanced by incorporation of CNTs into the WO3 film, resulting in coloration efficiency of 79.2 cm2 C−1 and optical contrast of 13.5 % at 800 nm under a square wave potential from −1.5 to +1.5 V. Therefore, the improved electrochromic properties could be achieved using WO3 and CNTs composite film.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Transition Metal Oxide Nanomaterials · Conducting polymers and applications · Gas Sensing Nanomaterials and Sensors
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (41)
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