http://publicationslist.org/data/tonistoycheva/atom.xmlToni Stoycheva's Publications ListToni Stoychevahttp://publicationslist.org/tonistoycheva$basepathfavicon.icoRecent additions to Toni Stoycheva's PublicationsList.org pagehttp://publicationslist.org/publications.png2011-06-17T15:08:57Zhttp://publicationslist.org/tonistoycheva/refid22011-06-17T14:07:21ZAu nanoparticle-functionalised WO3 nanoneedles and their application in high sensitivity gas sensor devices A new method of synthesising nanoparticle-functionalised nanostructured materials via Aerosol Assisted Chemical Vapour Deposition (AACVD) has been developed. Co-deposition of Au nanoparticles with WO3 nanoneedles has been used to deposit a sensing layer directly onto gas sensor substrates providing devices with a six-fold increase in response to low concentrations of a test analyte (ethanol).<br/><br/>S. Vallejos, T. Stoycheva, X. Correig and et.al.
(2011) <i>Chemical Communications</i> 47: 565-567<br/>http://publicationslist.org/tonistoycheva/refid52011-06-17T14:13:29ZGas Sensing Properties of Intrinsic and Au Functionalised WO3 NanostructuresGas sensor devices based on WO3 particles, nanoneedles and gold functionalized
nanoneedles were developed. The devices were fabricated on classical ceramic substrates
and the sensor response characterized to a wide range of analytes. All sensors revealed
optimum operating temperatures below 250ºC and good sensitivities to ethanol, hydrogen
and nitrogen dioxide. In particular the nanoneedle st...<br/><br/>T. Stoycheva, S. Vallejos, C. Blackman and et. al.
(2011) <i>Sensors and Actuators B-Chemical (submitted)</i> : <br/>http://publicationslist.org/tonistoycheva/refid32011-06-17T14:36:51ZGold Clusters on WO3 Nanoneedles Grown via AACVD: XPS and TEM StudiesWe have prepared tungsten oxide films decorated with gold particles on Si substrates by aerosol
assisted chemical vapour deposition (AACVD) and characterised them using scanning electron
microscopy (SEM), transmission electron microscopy (TEM) and X-ray photoelectron
spectroscopy (XPS). SEM shows that the films are composed of needle-like structures and TEM
shows that both the needles and the ...<br/><br/>Navio, Cristina; Vallejos, Stella; Stoycheva, Tony; et al (2011) <i>Journal of Physical Chemistry (awaiting publishing)</i> : <br/>http://publicationslist.org/tonistoycheva/refid42011-06-17T14:09:53ZAerosol assisted chemical vapour deposition of SnO2 thin films for gas sensors applicationThis article reports SnO2 deposition by Aerosol-Assisted Chemical Vapour Deposition (AACVD), from tin complexes: [Sn(18-Cr-6)Cl4] and [Sn(H2O)2Cl4](18-Cr-6). The structure and properties of the precursors, used to synthesize SnO2 layers by AACVD for the first time, were characterized with the help of XRD, IR and TGA. Each complex was deposited by AACVD at 250, 400 and 500 ºC in the flow of N2. Th...<br/><br/>T. Stoycheva, S. Vallejos, R.G. Pavelko and et. al.
(2011) <i>Chemical Vapor Deposition (awaiting publishing)</i> : <br/>http://publicationslist.org/tonistoycheva/refid12011-06-17T14:08:16ZCharacterization and gas sensing properties of intrinsic and Au-doped WO3 nanostructures deposited by AACVD technique Aerosal Assisted Chemical Vapour Deposition (previous termAACVD)next term was implemented to grow WO3 layers with nanoneeddle-like morphology onto gas sensor alumina substrates from a W(OPh)6 precursor. A variety fo solvents and deposition temperatures in a range of 350 ring operatorC and 500 ring operatorC were used in order to find th eoptimal deposition conditions. The obtained WO3 structure wa...<br/><br/>T. Stoycheva, S. Vallejos, X. Correig and et.al.
(2010) <i>Procedia Engineering</i> 5: 131-134<br/>