Investigation and analysis of zinc phthalocyanine films for resonant gas sensor applications

HAMID, Amani, HOLLOWAY, Alan, HASSAN, Aseel and NABOK, Aleksey (2016). Investigation and analysis of zinc phthalocyanine films for resonant gas sensor applications. Procedia engineering, 168, 259-263.

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Thin films of Zinc Phthalocyanine (ZnPc) with a range of different substitutes have been investigated as chemical active layers for sensing selected organic vapour such as (Ethanol, Toluene) by a standard Quartz Crystal Resonator (QCR) based sensor with fundamental resonance 10MHz. Adsorption of vapour onto the films surface has been realized by monitoring resonance spectra. An equivalent circuit (BVD circuit) has been used to extract parameters related to film viscosity and thickness by fitting experimental admittance spectra of QCR around resonance frequency. Moreover, film properties and characterization was obtained from QCR measurements in conjunction with suitable data analysis. Validation of film characteristics has been determined using complementary methods such as Ellipsometry, UV- Visible absorption Spectrophotometer and AFM

Item Type: Article
Additional Information: Part of the proceeding of the 30th anniversary Eurosensors Conference – Eurosensors 2016, 4-7. Sepember 2016, Budapest, Hungary
Research Institute, Centre or Group: Materials and Engineering Research Institute > Centre for Automation and Robotics Research > Mobile Machine and Vision Laboratory
Departments: Faculty of Science, Technology and Arts > Engineering and Mathematics
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Depositing User: Alan Holloway
Date Deposited: 27 Jan 2017 13:38
Last Modified: 26 Jan 2018 17:34

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