Hydrophobic behaviour of reduced graphene oxide thin film fabricated via electrostatic spray deposition
Zulkharnay R. Ualibek O. Toktarbaiuly O. May P.W.
June 2021Springer
Bulletin of Materials Science
2021#44Issue 2
Graphene-based materials such as graphene oxide (GO) and chemically reduced graphene oxide (rGO) thin films have been fabricated using electrostatic spray deposition (ESD), followed by thermal annealing under Ar/H2 atmosphere. The thickness and surface morphology of thin films of GO and rGO on silicon substrates were controlled by varying deposition time and content of GO/rGO in tetrahydrofuran (THF) solution. Here, we present a comparative analysis between GO and rGO thin films. Water contact angle (WCA) measurements of these thin films were ~88° for the GO films and >127° for the rGO films. We discuss how their hydrophobic behaviour is influenced by removal of oxygen-containing functional groups during the reduction process. Graphical abstract: [Figure not available: see fulltext.]
Carbon materials , electrostatic spray deposition , reduced graphene oxide , surfaces , thin films
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School of Chemistry, University of Bristol, Cantock’s Close, Bristol, BS8 1TS, United Kingdom
National Laboratory Astana, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
School of Chemistry
National Laboratory Astana
10 лет помогаем публиковать статьи Международный издатель
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