Ultrafast and Highly Sensitive Chemically Functionalized Graphene Oxide-Based Humidity Sensors: Harnessing Device Performances via the Supramolecular Approach

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ANICHINI, Cosimo, ALIPRANDI, Alessandro, GALI, Sai Manoj, LISCIO, Fabiola, MORANDI, Vittorio, MINOIA, Andrea, BELJONNE, David, CIESIELSKI, Artur et SAMORI, Paolo, sans date. Ultrafast and Highly Sensitive Chemically Functionalized Graphene Oxide-Based Humidity Sensors: Harnessing Device Performances via the Supramolecular Approach. ACS Applied Materials & Interfaces. sans date. Vol. 12, n° 39pp. 44017-44025. DOI 10.1021/acsami.0c11236. 1. .
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Auteurs Cosimo Anichini
Alessandro Aliprandi
Sai Manoj Gali
Fabiola Liscio
Vittorio Morandi
Andrea Minoia
David Beljonne
Artur Ciesielski
Paolo Samori
Unité de recherche du site Institut de Science et d'Ingénierie Supramoléculaires - ISIS - UMR7006
Langue

en
Volume

12
Numéro

39
Page de début

44017
Page de fin

44025
Date de première publication

2020-09-03
ISSN

1944-8244
Titre de la source (revue, livre…)

ACS Applied Materials & Interfaces
Résumé

Humidity sensors have been gaining increasing attention because of their relevance for well-being. To meet the ever-growing demand for new cost-efficient materials with superior performances, graphene oxide (GO)-based relative humidity sensors have Show moreHumidity sensors have been gaining increasing attention because of their relevance for well-being. To meet the ever-growing demand for new cost-efficient materials with superior performances, graphene oxide (GO)-based relative humidity sensors have emerged recently as low-cost and highly sensitive devices. However, current GO-based sensors suffer from important drawbacks including slow response and recovery, as well as poor stability. Interestingly, reduced GO (rGO) exhibits higher stability, yet accompanied by a lower sensitivity to humidity due to its hydrophobic nature. With the aim of improving the sensing performances of rGO, here we report on a novel generation of humidity sensors based on a simple chemical modification of rGO with hydrophilic moieties, i.e., triethylene glycol chains. Such a hybrid material exhibits an outstandingly improved sensing performance compared to pristine rGO such as high sensitivity (31% increase in electrical resistance when humidity is shifted from 2 to 97%), an ultrafast response (25 ms) and recovery in the subsecond timescale, low hysteresis (1.1%), excellent repeatability and stability, as well as high selectivity toward moisture. Such highest-key-performance indicators demonstrate the full potential of two-dimensional (2D) materials when decorated with suitably designed supramolecular receptors to develop the next generation of chemical sensors of any analyte of interest. Show less
DOI 10.1021/acsami.0c11236
Titre abrégé de la source

ACS Appl. Mater. Interfaces
Type de publication

article
Type de publication

ACL
Projet(s) de recherche ANR

ANR-10-LABX- 0026 CSC
ANR-10-120 IDEX-0002-02
ANR-11-LABX-0058 NIE
Projet(s) de recherche européen(s)

EC/H2020/833707//SUPRA2DMAT//
EC/H2020/785219//Graphene Flagship Core 2/GrapheneCore2/
Topic

Chimie/Matériaux
Unité de recherche extérieure au site

CMN, Université de Mons, Place du Parc 20, 7000 Mons, Belgium
Istituto per la Microelettronica e Microsistemi (IMM)—CNR, via Gobetti 101, 40129 Bologna, Italy
Fonction

aut
Identifiant idREF 191442089
151349363
109288335
Audience

International
Envoyer vers HAL

5
URL https://univoak.eu/islandora/object/islandora:102001