LANTHANIDE AND SILICON-BASED NANOPARTICLE PRESSURE SENSOR AND SYSTEM

A nanoparticle sensor apparatus includes a silicon-based nanoparticle having a centrosymmetric crystalline structure. A lanthanide atom embedded within the silicon-based nanoparticle provides light emission when the sensor apparatus undergoes pressure loading. This sensor apparatus may be encapsulat...

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Bibliographische Detailangaben
Hauptverfasser: Al-Chaar Ghassan K, Nayfeh Munir H, Marsh Charles P
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A nanoparticle sensor apparatus includes a silicon-based nanoparticle having a centrosymmetric crystalline structure. A lanthanide atom embedded within the silicon-based nanoparticle provides light emission when the sensor apparatus undergoes pressure loading. This sensor apparatus may be encapsulated in a polymer matrix to form a nanoparticle sensor matrix apparatus which may be located on or in a structure. To measure the pressure on such a structure, a UV light source illuminates the sensor apparatus. An optical emission detector detects the intensity of light emitted from the sensor in response, while a processor correlates that intensity to the pressure loading.