Evidence of catalytic activation of anatase nanocrystals by vanadium oxide surface layer: Acetone and ethanol sensing properties

Sensors and Actuators, B: Chemical

Volumn 217, Issue , 2015, Pages 193-197

  Epifani, Mauro ^a   Comini, Elisabetta ^b   Siciliano, Pietro ^a   Faglia, Guido ^b   Morante, Joan R ^c,d  

^a CNR   (Italy)

^b UNIVERSITY OF BRESCIA   (Italy)

^c CATALONIA INSTITUTE FOR ENERGY RESEARCH IREC   (Spain)

^d UNIVERSITY OF BARCELONA   (Spain)

Author keywords

Additives; Catalytic effect; Nanomaterials; Surface modification

Indexed keywords

ACETONE; ADDITIVES; CHEMICAL ACTIVATION; DEPOSITION; ETHANOL; GAS ADSORPTION; NANOSTRUCTURED MATERIALS; SOL-GELS; SURFACE TREATMENT; TITANIUM DIOXIDE;

ANATASE NANOCRYSTALS; CATALYTIC ACTIVATION; CATALYTIC EFFECTS; CHEMORESISTIVE SENSORS; HIGH OPERATING TEMPERATURE; OPERATING TEMPERATURE; ORDERS OF MAGNITUDE; SOLVOTHERMAL METHOD;

ACTIVATION ENERGY;

EID: 84930271083     PISSN: 09254005     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.snb.2014.07.118     Document Type: Article

References (18)

1. W.C. Conner, and J.L. Falconer Spillover in heterogeneous catalysis Chem. Rev. 95 1995 759 788
2. G.M. Pajonk Spillover effects in catalysis Heterog. Chem. Rev. 1 1994 329 338
3. G. Korotcenkov Gas response control through structural and chemical modification of metal oxide films: state of the art and approaches Sens. Actuators B: Chem. 107 2005 209 232
4. J. Haber Fifty years of my romance with vanadium oxide catalysts Catal. Today 142 2009 100 113
5. B.M. Weckhuysen, and D.E. Keller Chemistry, spectroscopy and the role of supported vanadium oxides in heterogeneous catalysis Catal. Today 78 2003 25 46
6. A. Bruckner, and M. Baerns Selective gas-phase oxidation of polycyclic aromatic hydrocarbons on vanadium oxide-based catalysts Appl. Catal. A 157 1997 311 334
7. B. Grzybowska-Swierkosz Vanadia-titania catalysts for oxidation of o-xylene and other hydrocarbons Appl. Catal. A 157 1997 263 310
8. M.C. Carotta, M. Ferroni, S. Gherardi, V. Guidi, C. Malagu, G. Martinelli, M. Sacerdoti, M.L. Di Vona, S. Licoccia, and E. Traversa Thick-film gas sensors based on vanadium-titanium oxide powders prepared by sol-gel synthesis J. Eur. Ceram. Soc. 24 2004 1409 1413
9. E.J. Guidelli, E.M. Guerra, and M. Mulato Vanadium and titanium mixed oxide films: synthesis, characterization and application as ion sensor J. Electrochem. Soc. 159 2012 J217 J222
10. N. Izu, G. Hagen, D. Schonauer, U. Roder-Roith, and R. Moos Application of V2O5/WO3/TiO2 for resistive-type SO2 sensors Sensors 11 2011 2982 2991
11. X. Liang, T. Zhong, B. Quan, B. Wang, and H. Guan Solid-state potentiometric SO2 sensor combining NASICON with V2O5-doped TiO2 electrode Sens. Actuators B: Chem. 134 2008 25 30
12. J.H. Park, and S.J. Park Effect of V2O5 on the electrical properties of TiO2-V2O5 humidity sensors J. Mater. Sci. Mater. Electron. 5 1994 300 304
13. S. Zhuiykov, W. Wlodarski, and Y.X. Li Nanocrystalline V2O5-TiO2 thin-films for oxygen sensing prepared by sol-gel process Sens. Actuators B: Chem. 77 2001 484 490
14. D. Morris, and R.G. Egdell Application of V-doped TiO2 as a sensor for detection of SO2 J. Mater. Chem. 11 2001 3207 3210
15. M. Epifani, T. Chavez-Capilla, T. Andreu, J. Arbiol, J. Palma, J.R. Morante, and R. Diaz Surface modification of metal oxide nanocrystals for improved supercapacitors Energy Environ. Sci. 5 2012 7555 7558
16. M. Epifani, R. Diaz, C. Force, E. Comini, T. Andreu, R.R. Zamani, J. Arbiol, P. Siciliano, G. Faglia, and J.R. Morante Colloidal counterpart of the TiO2-supported V2O5 system: a case study of oxide-on-oxide deposition by wet chemical techniques. Synthesis, vanadium speciation, and gas-sensing enhancement J. Phys. Chem. C 117 2013 20697 20705
17. S. Ahlers, G. Muller, and T. Doll A rate equation approach to the gas sensitivity of thin film metal oxide materials Sens. Actuators B: Chem. 107 2005 587 599
18. N. Yamazoe, and K. Shimanoe Theory of power laws for semiconductor gas sensors Sens. Actuators B: Chem. 128 2008 566 573