CrossRef 18. Zhang C, Boudiba A, Navio C, Bittencourt C, Olivier M-G, Snyders R, Debliquy M: Highly sensitive hydrogen sensors based on co-sputtered platinum-activated tungsten oxide films. Int J Hydrogen Energ 2011, 36:1107–1114.CrossRef 19. Ren S, Fan G, Qu S, Wang Q: Enhanced H 2 sensitivity at room temperature of ZnO nanowires functionalized by Pd nanoparticles. J Appl Phys 2011, 110:084312–084316.CrossRef 20. Usman Ali SM, Alvi NH, Ibupoto Z, Nur O, Willander M, Danielsson B: Selective potentiometric determination of uric acid
with uricase immobilized on ZnO nanowires. Sensor Actuat B: Chem 2011, 152:241–247.CrossRef 21. Wang HT, Kang BS, Ren F, Tien LC, Sadik PW, Norton GW-572016 DP, Pearton SJ, Lin J: Detection of hydrogen at room temperature with catalyst-coated multiple ZnO nanorods. Appl Phys A 2005, 81:1117–1119.CrossRef 22. Wang HT, Kang BS, Ren F, Tien LC, Sadik PW, Norton DP, Pearton SJ, Lin J: Hydrogen-selective sensing at room temperature with ZnO nanorods. Appl Phys Lett 2005, 86:243503–243505.CrossRef
23. Kashif M, Usman Ali SM, Ali ME, Abdulgafour HI, Hashim U, Willander M, Hassan Z: Morphological, optical, and Raman characteristics of ZnO nanoflakes prepared via a sol–gel method. Phys Status Solidi (A) 2012, 209:143–147.CrossRef 24. Kashif M, Hashim U, Ali ME, Usman Ali SM, Rusop M, Ibupoto ZH, Willander M: Effect of different seed solutions on the morphology and electrooptical properties of ZnO nanorods. J Nanomater doi:10.1155/2012/452407. GSK126 mw 25. Lupan O, Emelchenko GA, Ursaki VV, Chai G, Redkin AN, Gruzintsev AN, Tiginyanu IM, Chow L, Ono LK, Roldan see more Cuenya B, Heinrich H, Yakimov EE: Synthesis and characterization of ZnO nanowires for nanosensor applications. Mater Res Bull 2010, 45:1026–1032.CrossRef 26. Machado G, Guerra DN, Leinen D, Ramos-Barrado JR, Marotti RE, Tolmetin Dalchiele EA: Indium doped zinc oxide thin films obtained by electrodeposition. Thin Solid Films 2005, 490:124–131.CrossRef 27. Barsan N, Weimar U: Conduction model of metal oxide gas sensors. J Electroceram 2001, 7:143–167.CrossRef 28. Barsan N, Weimar U: Understanding the fundamental principles of metal oxide based gas sensors; the example of CO sensing with SnO 2 sensors
in the presence of humidity. J Phys: Condensed Matter 2003, 15:R813-R839.CrossRef 29. Lee Y-M, Huang C-M, Chen H-W, Yang H-W: Low temperature solution-processed ZnO nanorod arrays with application to liquid ethanol sensors. Sensor Actuat A: Phys 2013, 189:307–312.CrossRef 30. Sen S, Muthe KP, Joshi N, Gadkari SC, Gupta SK, Jagannath , Roy M, Deshpande SK, Yakhmi JV: Room temperature operating ammonia sensor based on tellurium thin films. Sensor Actuat B: Chem 2004, 98:154–159.CrossRef 31. Ponce MA, Bueno PR, Varela J, Castro MS, Aldao CM: Impedance spectroscopy analysis of SnO 2 thick-films gas sensors. J Mater Sci: Mater El 2008, 19:1169–1175.CrossRef 32. Aguir K, Labidi A, Lambert-Mauriata C: Impedance spectroscopy to identify the conduction mechanisms in WO3 sensors. In Sensors, 2006.