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Plasma Polymerization SnOxCy Organic-like Films and Grafted PNIPAAm Composite Hydrogel with Nanogold Particles for Promotion Thermal Resistive Properties
Chou, C.-Y.; Chen, K.-S.; Lin, W.-L.; Ye, Y.-C.; Liao, S.-C. Plasma Polymerization of SnOxCy Organic-Like Films and Grafted PNIPAAm Composite Hydrogel with Nanogold Particles for Promotion of Thermal Resistive Properties. Micromachines2017, 8, 5.
Chou, C.-Y.; Chen, K.-S.; Lin, W.-L.; Ye, Y.-C.; Liao, S.-C. Plasma Polymerization of SnOxCy Organic-Like Films and Grafted PNIPAAm Composite Hydrogel with Nanogold Particles for Promotion of Thermal Resistive Properties. Micromachines 2017, 8, 5.
Chou, C.-Y.; Chen, K.-S.; Lin, W.-L.; Ye, Y.-C.; Liao, S.-C. Plasma Polymerization of SnOxCy Organic-Like Films and Grafted PNIPAAm Composite Hydrogel with Nanogold Particles for Promotion of Thermal Resistive Properties. Micromachines2017, 8, 5.
Chou, C.-Y.; Chen, K.-S.; Lin, W.-L.; Ye, Y.-C.; Liao, S.-C. Plasma Polymerization of SnOxCy Organic-Like Films and Grafted PNIPAAm Composite Hydrogel with Nanogold Particles for Promotion of Thermal Resistive Properties. Micromachines 2017, 8, 5.
Abstract
In this study, a new type of temperature sensor device was developed. The circular electrode of the thermal sensitive sensor was modified with TMT and O2 plasma to enhance the conductivity by forming a thin SnOxCy layer on the electrode surface. The Nano-Au particles were subjected to O2 plasma pretreatment to form peroxide groups on the surface. The thermally sensitive sensor was made by mixing the above-treated Nano-Au particles with N-isopropylacrylamide (NIPAAm) to form solution and then UV-induced grafting polymerization of the NIPAAm-containing solution onto the electrode substrate. The composite hydrogels on the electrode introduce thermo-sensitive polymeric surface films for temperature sensing. Using ambient environment resistance test to measure the resistance, the LCST (lower critical solution temperature) of Nano-Au (MUA) mixed with NIPAAm hydrogel was found to be 32 °C. At ambient temperatures higher than LCST, the electrode resistance decreases linearly.
Chemistry and Materials Science, Surfaces, Coatings and Films
Copyright:
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