2019
DOI: 10.1021/acsanm.8b02045
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Nanosensors for Monitoring Early Stages of Metallic Corrosion

Abstract: A new generation of nanosensors based on mesoporous silica nanocapsules with the ability to monitor the onset of metallic corrosion is successfully developed and tested on 304 stainless steel. The core of the nanocapsules contains water insoluble organic molecules that fluoresce during the anodic dissolution of metallic substrates in the corrosion process. The dispersion of the nanosensors in organic coatings applied on metal substrate allows a very sensitive fluorescent detection of the initiation of metal di… Show more

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Cited by 41 publications
(26 citation statements)
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“…Metal corrosion is a phenomenon that causes a serious threat to environmental and human health. The corrosion of metals has a huge impact in many industrial fields [1][2][3][4][5]. Metals, including austenitic stainless steels and alloys, have been extensively applied in industrial and engineering applications.…”
Section: Introductionmentioning
confidence: 99%
“…Metal corrosion is a phenomenon that causes a serious threat to environmental and human health. The corrosion of metals has a huge impact in many industrial fields [1][2][3][4][5]. Metals, including austenitic stainless steels and alloys, have been extensively applied in industrial and engineering applications.…”
Section: Introductionmentioning
confidence: 99%
“…Moreover, to bind the dyad to different types of nanoparticles acting as carriers, this substituent can be used in conjunction with an additional reactive carboxylic group introduced into the rhodamine part of the dyad. For the simple application in aqueous environments dyad 8 without the need for chemical modification, compound 8 can be encapsulated in mesoporous silica nanoparticles 58 or polymer-based nanoparticles like PEBBLE 59 type nanoparticles. This provides also a simple signal enhancement strategy and enables, e.g.…”
Section: Discussionmentioning
confidence: 99%
“…14 Crespy used mesoporous silica nanocapsules on 304 stainless steel. 15 The Battelle Smart Corrosion Detector s microbeads, when mixed into coatings, mitigate and detect corrosion, as does a smart-sensing polymer coating by Li. 16 Each of these examples detects a single chemical species.…”
Section: Introductionmentioning
confidence: 99%