journal article·2021-11-10

Design of Nanostructured Protective Coatings with a Sensing Function

Suttiruk Salaluk, Shuai Jiang, Ekkarut Viyanit, Michael Rohwerder, Katharina Landfester, Daniel Crespy

ACS Applied Materials & Interfaces· Volume 13· Issue 44
Publisher page

Abstract

Nanostructured multilayered coatings for metals are prepared to simultaneously provide a function of corrosion mitigation and of corrosion sensing for copper substrates. Silica nanocapsules, embedded in one layer of the coating, are used as a host for a corrosion inhibitor and as a sensor, which detect changes of pH value and release inhibitors via an optical signal. Furthermore, another layer in the coating exists in a nanonetwork loaded with another corrosion inhibitor, which is impregnated with a hydrophobic polymer. We demonstrate that a specific arrangement of layers leads to an optimum anticorrosion and sensing performance while the sensing signal can be prolonged for a long time. It is the first time that the fluorophore detecting corrosion is conjugated to the nanosensor and that nanofibers and nanocapsules are used simultaneously to load and release corrosion inhibitors for anticorrosion applications.
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Research context

OpenAlex topics: Corrosion Behavior and Inhibition · Analytical Chemistry and Sensors · Gas Sensing Nanomaterials and Sensors

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand

Max Planck-VISTEC Partner Laboratory for Sustainable Materials, Vidyasirimedhi Institute of Science and Technology (VISTEC), Rayong 21210, Thailand

Max Planck Institute for Polymer Research, Ackermannweg 10, Mainz 55128, Germany

Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China

Failure Analysis and Corrosion Technology Laboratory, National Metal and Materials Technology Center, Klong Luang, Pathumthani 12120, Thailand

Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Strasse 1, Düsseldorf 40237, Germany

Funding

Vidyasirimedhi Institute of Science and Technology · National Research Council of Thailand · Office of the Higher Education Commission of Thailand

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