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Issue 31, 2018
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Continuously fabricated transparent conductive polycarbonate/carbon nanotube nanocomposite films for switchable thermochromic applications

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Abstract

Flexible transparent conductive films (TCFs) have attracted more and more attention because of their wide range of potential applications in optical and electronic devices. Industrial-scale manufacturing of high-performance TCFs is a challenge for a wide range of applications. Here, TCFs based on polycarbonate (PC) film successively coated with multi-walled carbon nanotubes (MWNTs) and single-walled carbon nanotubes (SWNTs) are continuously fabricated by a combined spraying and roll-to-roll (R2R) technique. Moreover, such a continuous and scalable method is programmable and fully automated. The synergism between the successively sprayed MWNTs and SWNTs significantly enhances the conductivity and electrical homogeneity of the TCFs. Furthermore, such a film (i.e., PM1S1) still retains its high transmittance (82% at 550 nm), which is only decreased by 6% compared with the PC film. More importantly, no obvious decrease in the conductivity of the TCFs was detected after 1000 cycles of repeated bending, indicating their excellent mechanical flexibility. In addition, due to the synergistic effect, the adhesion and good environmental resistance have been significantly improved. With these advantages, the as-fabricated TCFs show great potential for application in flexible smart windows with switchable thermochromic properties. The proposed technique in this study is an effective approach for fabricating large-scale carbon nanotube/polymer based TCFs, which are promising for a wide variety of practical applications.

Graphical abstract: Continuously fabricated transparent conductive polycarbonate/carbon nanotube nanocomposite films for switchable thermochromic applications

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Supplementary files

Article information


Submitted
16 Apr 2018
Accepted
03 Jun 2018
First published
07 Jun 2018

J. Mater. Chem. C, 2018,6, 8360-8371
Article type
Paper

Continuously fabricated transparent conductive polycarbonate/carbon nanotube nanocomposite films for switchable thermochromic applications

B. Zhou, Y. Li, G. Zheng, K. Dai, C. Liu, Y. Ma, J. Zhang, N. Wang, C. Shen and Z. Guo, J. Mater. Chem. C, 2018, 6, 8360
DOI: 10.1039/C8TC01779D

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