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Preparation and Hydrogen-Sensitive Mechanism of Platinum-Doped Tungsten Trioxide Films
Corresponding Author(s) : Xianling Deng
Asian Journal of Chemistry,
Vol. 26 No. 17 (2014): Vol 26 Issue 17
Abstract
A tungsten trioxide (WO3) nano-film was prepared by a sol-gel method using tungsten powder and hydrogen peroxide as the starting materials. Then, platinum was doped onto the WO3 film surface by a magnetron sputtering method. A tunnel-atomic power microscope was used to characterize the WO3. We theoretically analyzed the WO3 film’s hydrogen-sensitive mechanism as well as conducted research into the film’s optical properties. The results indicate that the WO3 nano-film mixed with Pt possesses a good hydrogen sensitivity and restorative quality.
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- W. Hsu, C. Chan, C.-H. Peng and C.-C. Chang, Thin Solid Films, 516, 407 (2007); doi:10.1016/j.tsf.2007.07.055.
- J. Ederth, J.M. Smulko, L.B. Kish, P. Heszler and C.G. Granqvist, Sens. Actuators B, 113, 310 (2006); doi:10.1016/j.snb.2005.03.009.
- X. Bevenot, A. Trouillet, C. Veillas, H. Gagnaire and M. Clément, Sens. Actuators B Chem., 67, 57 (2000); doi:10.1016/S0925-4005(00)00407-X.
- J. Villatoro, A. Diez, J. Cruz and M.V. Andrés, Electron. Lett., 37, 1011 (2001); doi:10.1049/el:20010716.
- S. Sumida, S. Okazaki, S. Asakura, H. Nakagawa, H. Murayama and T. Hasegawa, Sens. Actuators B, 108, 508 (2005); doi:10.1016/j.snb.2004.11.068.
- K. Schroeder, W. Ecke and R. Willsch, Opt. Lasers Eng., 47, 1018 (2009); doi:10.1016/j.optlaseng.2009.04.002.
- J.B. Beusink, A.M.C. Lokate, G.A.J. Besselink, G.J.M. Pruijn and R.B.M. Schasfoort, Biosens. Bioelectron., 23, 839 (2008); doi:10.1016/j.bios.2007.08.025.
- Y. Jin and Y. Cho, Trans. Korean Institute Electrical Eng., 58, 147 (2009).
- M. Ando, R. Chabicovsky and M. Haruta, Sens. Actuators B, 76, 13 (2001); doi:10.1016/S0925-4005(01)00561-5.
- S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama and M. Washiya, Sens. Actuators B, 93, 142 (2003); doi:10.1016/S0925-4005(03)00211-9.
- M. Stankova, X. Vilanova, J. Calderer, E. Llobet, J. Brezmes, I. Gràcia, C. Cané and X. Correig, Sens. Actuators B, 113, 241 (2006); doi:10.1016/j.snb.2005.02.056.
References
W. Hsu, C. Chan, C.-H. Peng and C.-C. Chang, Thin Solid Films, 516, 407 (2007); doi:10.1016/j.tsf.2007.07.055.
J. Ederth, J.M. Smulko, L.B. Kish, P. Heszler and C.G. Granqvist, Sens. Actuators B, 113, 310 (2006); doi:10.1016/j.snb.2005.03.009.
X. Bevenot, A. Trouillet, C. Veillas, H. Gagnaire and M. Clément, Sens. Actuators B Chem., 67, 57 (2000); doi:10.1016/S0925-4005(00)00407-X.
J. Villatoro, A. Diez, J. Cruz and M.V. Andrés, Electron. Lett., 37, 1011 (2001); doi:10.1049/el:20010716.
S. Sumida, S. Okazaki, S. Asakura, H. Nakagawa, H. Murayama and T. Hasegawa, Sens. Actuators B, 108, 508 (2005); doi:10.1016/j.snb.2004.11.068.
K. Schroeder, W. Ecke and R. Willsch, Opt. Lasers Eng., 47, 1018 (2009); doi:10.1016/j.optlaseng.2009.04.002.
J.B. Beusink, A.M.C. Lokate, G.A.J. Besselink, G.J.M. Pruijn and R.B.M. Schasfoort, Biosens. Bioelectron., 23, 839 (2008); doi:10.1016/j.bios.2007.08.025.
Y. Jin and Y. Cho, Trans. Korean Institute Electrical Eng., 58, 147 (2009).
M. Ando, R. Chabicovsky and M. Haruta, Sens. Actuators B, 76, 13 (2001); doi:10.1016/S0925-4005(01)00561-5.
S. Okazaki, H. Nakagawa, S. Asakura, Y. Tomiuchi, N. Tsuji, H. Murayama and M. Washiya, Sens. Actuators B, 93, 142 (2003); doi:10.1016/S0925-4005(03)00211-9.
M. Stankova, X. Vilanova, J. Calderer, E. Llobet, J. Brezmes, I. Gràcia, C. Cané and X. Correig, Sens. Actuators B, 113, 241 (2006); doi:10.1016/j.snb.2005.02.056.