One-Step Fabrication of Pyranine Modified- Reduced Graphene Oxide with Ultrafast and Ultrahigh Humidity Response

Abstract A facile one-step supramolecular assembly method is adopted to modify reduced graphene oxide (rGO) with functional organic molecule pyranine for achieving comprehensive humidity sensing performance. The fabricated humidity sensor based on pyranine modified-reduced graphene oxide (Pyr-rGO) e...

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Autores principales:	Zhuo Chen, Yao Wang, Ying Shang, Ahmad Umar, Peng Xie, Qi Qi, Guofu Zhou
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2017
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/dc08471bca1f4e95acb66b614cc4a649
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spelling	oai:doaj.org-article:dc08471bca1f4e95acb66b614cc4a6492021-12-02T12:32:38ZOne-Step Fabrication of Pyranine Modified- Reduced Graphene Oxide with Ultrafast and Ultrahigh Humidity Response10.1038/s41598-017-02983-82045-2322https://doaj.org/article/dc08471bca1f4e95acb66b614cc4a6492017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-02983-8https://doaj.org/toc/2045-2322Abstract A facile one-step supramolecular assembly method is adopted to modify reduced graphene oxide (rGO) with functional organic molecule pyranine for achieving comprehensive humidity sensing performance. The fabricated humidity sensor based on pyranine modified-reduced graphene oxide (Pyr-rGO) exhibits excellent sensing performance with ultrafast (<2 s) and ultrahigh response of IL/IH = 6000 as relative humidity (RH) consecutively changes between 11% and 95%; small hysteresis of 8% RH; reliable repeatability and stability. In addition, a detailed mechanism analysis is performed to investigate the difference in water adsorption and ions transfer under various RH levels. Notably, the one-step supramolecular assembly method to prepare Pyr-rGO provides a new insight into developing novel functional humidity sensing materials with enhanced device performance.Zhuo ChenYao WangYing ShangAhmad UmarPeng XieQi QiGuofu ZhouNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-9 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zhuo Chen Yao Wang Ying Shang Ahmad Umar Peng Xie Qi Qi Guofu Zhou One-Step Fabrication of Pyranine Modified- Reduced Graphene Oxide with Ultrafast and Ultrahigh Humidity Response
description	Abstract A facile one-step supramolecular assembly method is adopted to modify reduced graphene oxide (rGO) with functional organic molecule pyranine for achieving comprehensive humidity sensing performance. The fabricated humidity sensor based on pyranine modified-reduced graphene oxide (Pyr-rGO) exhibits excellent sensing performance with ultrafast (<2 s) and ultrahigh response of IL/IH = 6000 as relative humidity (RH) consecutively changes between 11% and 95%; small hysteresis of 8% RH; reliable repeatability and stability. In addition, a detailed mechanism analysis is performed to investigate the difference in water adsorption and ions transfer under various RH levels. Notably, the one-step supramolecular assembly method to prepare Pyr-rGO provides a new insight into developing novel functional humidity sensing materials with enhanced device performance.
format	article
author	Zhuo Chen Yao Wang Ying Shang Ahmad Umar Peng Xie Qi Qi Guofu Zhou
author_facet	Zhuo Chen Yao Wang Ying Shang Ahmad Umar Peng Xie Qi Qi Guofu Zhou
author_sort	Zhuo Chen
title	One-Step Fabrication of Pyranine Modified- Reduced Graphene Oxide with Ultrafast and Ultrahigh Humidity Response
title_short	One-Step Fabrication of Pyranine Modified- Reduced Graphene Oxide with Ultrafast and Ultrahigh Humidity Response
title_full	One-Step Fabrication of Pyranine Modified- Reduced Graphene Oxide with Ultrafast and Ultrahigh Humidity Response
title_fullStr	One-Step Fabrication of Pyranine Modified- Reduced Graphene Oxide with Ultrafast and Ultrahigh Humidity Response
title_full_unstemmed	One-Step Fabrication of Pyranine Modified- Reduced Graphene Oxide with Ultrafast and Ultrahigh Humidity Response
title_sort	one-step fabrication of pyranine modified- reduced graphene oxide with ultrafast and ultrahigh humidity response
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/dc08471bca1f4e95acb66b614cc4a649
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One-Step Fabrication of Pyranine Modified- Reduced Graphene Oxide with Ultrafast and Ultrahigh Humidity Response

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