Journal
28TH EUROPEAN CONFERENCE ON SOLID-STATE TRANSDUCERS (EUROSENSORS 2014)
Volume 87, Issue -, Pages 963-966Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.proeng.2014.11.318
Keywords
PVD; CVD; CNT; Ni; Pd; optical sensor
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We present the optical properties of the nanocomposite nickel -carbonaceous (Ni-C) and carbon nanotubes, palladium-fullerene (CNT-Ni-Pd) films obtained by various methods. The initial film was prepared by physical vapor deposition (PVD) method using two separated sources: fullerene C-60 (as carbon source) and nickel acetate (as metal source). Next, the initial film was modified by chemical vapor deposition (CVD) using xylene at temperature similar to 650 degrees C, as a result carbon nanotubes containing inside Ni grains were synthesized. Then, on the carbon nanotubes, palladium-fullerene films were deposited using PVD process, these samples were named by us as (CNT-Ni-Pd) films. All (Ni-C) films and (CNT-Ni-Pd) films were studied by SEM. These nanostructures were analyzed by optical method using measuring the variation of the absorbance of different gases (H-2, CO, NO2). (C) 2014 The Authors. Published by Elsevier Ltd.
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