9 June 2017 Gold/polypyrrole nanorods for gas sensing application
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Abstract
This work describes the preparation of gold/polypyrrole nanorods (AuPPy NRs) using anodized alumina oxide (AAO) template and both pulsed galvanic deposition and electropolymerization for the deposition of Au and polypyrrole (PPy) nanorods (NRs), respectively. Characterization of the whole structure after AAO etching revealed the formation of a high density of NRs along the substrate with uniform diameters of approximately 50 nm and total lengths of 700 nm, the last corresponding to 1/3 and 2/3 of the length of the Au and PPy NRs, respectively. These structures are provided of bottom/top electrodes and a heating element coupled to the backside of the substrate, and their gas sensing properties towards various concentrations of NO2 in resistive configuration are presented.
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Milena Šetka, Jana Drbohlavová, Stella Vallejos, Marian Márik, Eduard Llobet, Jaromír Hubálek, "Gold/polypyrrole nanorods for gas sensing application", Proc. SPIE 10246, Smart Sensors, Actuators, and MEMS VIII, 102461A (9 June 2017); doi: 10.1117/12.2265565; https://doi.org/10.1117/12.2265565
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