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A Graphene-Based Polymer-Dispersed Liquid Crystal Device Enabled through a Water-Induced Interface Cleaning Process

We report the use of four-layer graphene (4LG) as a highly reliable transparent conductive electrode (TCE) for polymer-dispersed liquid crystal (PDLC)-based smart window devices. The adhesion between 4LG and the substrate was successfully improved through a water-induced interface-cleaning (WIIC) pr...

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Autores principales: Kim, Eun Mi, Kim, Su Jin, Choi, Go Bong, Lee, Jaegeun, Koo, Min Mo, Kim, Jaewoong, Kim, Young Won, Lee, Jongho, Kim, Jin Hyeok, Seo, Tae Hoon
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10459967/
https://www.ncbi.nlm.nih.gov/pubmed/37630894
http://dx.doi.org/10.3390/nano13162309
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author Kim, Eun Mi
Kim, Su Jin
Choi, Go Bong
Lee, Jaegeun
Koo, Min Mo
Kim, Jaewoong
Kim, Young Won
Lee, Jongho
Kim, Jin Hyeok
Seo, Tae Hoon
author_facet Kim, Eun Mi
Kim, Su Jin
Choi, Go Bong
Lee, Jaegeun
Koo, Min Mo
Kim, Jaewoong
Kim, Young Won
Lee, Jongho
Kim, Jin Hyeok
Seo, Tae Hoon
author_sort Kim, Eun Mi
collection PubMed
description We report the use of four-layer graphene (4LG) as a highly reliable transparent conductive electrode (TCE) for polymer-dispersed liquid crystal (PDLC)-based smart window devices. The adhesion between 4LG and the substrate was successfully improved through a water-induced interface-cleaning (WIIC) process. We compared the performance of a device with a WIIC-processed 4LG electrode with that of devices with a conventional indium tin oxide (ITO) electrode and a 4LG electrode without a WIIC. With the application of the WIIC process, the PDLC smart window with a 4LG electrode exhibited reduced turn-on voltage and haze compared to 4LG without the WIIC process and characteristics comparable to those of the ITO electrode. The WIIC-processed 4LG electrode demonstrated enhanced electrical properties and better optical performance, leading to improved device efficiency and reliability. Furthermore, our study revealed that the WIIC process not only improved the adhesion between 4LG and the substrate but also enhanced the compatibility and interfacial interactions, resulting in the superior performance of the smart window device. These findings suggest that 4LG with WIIC holds great promise as a transparent conductive electrode for flexible smart windows, offering a cost-effective and efficient alternative to conventional ITO electrodes.
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spelling pubmed-104599672023-08-27 A Graphene-Based Polymer-Dispersed Liquid Crystal Device Enabled through a Water-Induced Interface Cleaning Process Kim, Eun Mi Kim, Su Jin Choi, Go Bong Lee, Jaegeun Koo, Min Mo Kim, Jaewoong Kim, Young Won Lee, Jongho Kim, Jin Hyeok Seo, Tae Hoon Nanomaterials (Basel) Article We report the use of four-layer graphene (4LG) as a highly reliable transparent conductive electrode (TCE) for polymer-dispersed liquid crystal (PDLC)-based smart window devices. The adhesion between 4LG and the substrate was successfully improved through a water-induced interface-cleaning (WIIC) process. We compared the performance of a device with a WIIC-processed 4LG electrode with that of devices with a conventional indium tin oxide (ITO) electrode and a 4LG electrode without a WIIC. With the application of the WIIC process, the PDLC smart window with a 4LG electrode exhibited reduced turn-on voltage and haze compared to 4LG without the WIIC process and characteristics comparable to those of the ITO electrode. The WIIC-processed 4LG electrode demonstrated enhanced electrical properties and better optical performance, leading to improved device efficiency and reliability. Furthermore, our study revealed that the WIIC process not only improved the adhesion between 4LG and the substrate but also enhanced the compatibility and interfacial interactions, resulting in the superior performance of the smart window device. These findings suggest that 4LG with WIIC holds great promise as a transparent conductive electrode for flexible smart windows, offering a cost-effective and efficient alternative to conventional ITO electrodes. MDPI 2023-08-11 /pmc/articles/PMC10459967/ /pubmed/37630894 http://dx.doi.org/10.3390/nano13162309 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Kim, Eun Mi
Kim, Su Jin
Choi, Go Bong
Lee, Jaegeun
Koo, Min Mo
Kim, Jaewoong
Kim, Young Won
Lee, Jongho
Kim, Jin Hyeok
Seo, Tae Hoon
A Graphene-Based Polymer-Dispersed Liquid Crystal Device Enabled through a Water-Induced Interface Cleaning Process
title A Graphene-Based Polymer-Dispersed Liquid Crystal Device Enabled through a Water-Induced Interface Cleaning Process
title_full A Graphene-Based Polymer-Dispersed Liquid Crystal Device Enabled through a Water-Induced Interface Cleaning Process
title_fullStr A Graphene-Based Polymer-Dispersed Liquid Crystal Device Enabled through a Water-Induced Interface Cleaning Process
title_full_unstemmed A Graphene-Based Polymer-Dispersed Liquid Crystal Device Enabled through a Water-Induced Interface Cleaning Process
title_short A Graphene-Based Polymer-Dispersed Liquid Crystal Device Enabled through a Water-Induced Interface Cleaning Process
title_sort graphene-based polymer-dispersed liquid crystal device enabled through a water-induced interface cleaning process
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10459967/
https://www.ncbi.nlm.nih.gov/pubmed/37630894
http://dx.doi.org/10.3390/nano13162309
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