MSCE  Vol.3 No.9 , September 2015
Preparation of CuO-Ta2O5 Composites Using a Simple Co-Sputtering Method
ABSTRACT
We prepared CuO-Ta2O5 composite films using our simple co-sputtering method for the first time. Four specimens were prepared from an as-deposited CuO-Ta2O5 sample by cutting it using a diamond- wire saw, and the specimens were subsequently annealed at 600°C - 900°C. The X-ray diffraction and photoluminescence (PL) of the annealed specimens were evaluated. The CuO-Ta2O5 film annealed at 600°C seemed to be primarily amorphous phase, and a sharp PL peak at a wavelength of 450 nm, due to the existence of Cu2+, was observed from the film. In contrast, the CuO-Ta2O5 films annealed at 700°C, 800°C, and 900°C seemed to be tetragonal CuTa2O6 phases. We expect that good-quality CuTa2O6 films can be obtained using our very simple co-sputtering method and subsequent annealing above 900°C. Such CuTa2O6 films can be used in chemisorptions conductometric gas sensors.

Cite this paper
Miura, K. , Osawa, T. , Yokota, Y. , Hossain, Z. and Hanaizumi, O. (2015) Preparation of CuO-Ta2O5 Composites Using a Simple Co-Sputtering Method. Journal of Materials Science and Chemical Engineering, 3, 47-51. doi: 10.4236/msce.2015.39006.
References
[1]   Cid, M., Stem, N., Brunetti, C., Beloto, A.F. and Ramos, C.A.S. (1998) Improvements in Anti-Reflection Coatings for High-Efficiency Silicon Solar Cells. Surface and Coatings Technology, 106, 117-120.
http://dx.doi.org/10.1016/S0257-8972(98)00499-X

[2]   Hanaizumi, O., Miura, K., Saito, M., Sato, T., Kawakami, S., Kuramochi, E. and Oku, S. (2000) Frontiers Related with Automatic Shaping of Photonic Crystals. IEICE Transactions on Electronics, E83-C, 912-919.

[3]   Sato, T., Miura, K., Ishino, N., Ohtera, Y., Tamamura, T. and Kawakami, S. (2002) Photonic Crystals for the Visible Range Fabricated by Autocloning Technique and Their Application. Optical and Quantum Electronics, 34, 63-70.
http://dx.doi.org/10.1023/A:1013382711983

[4]   Sanada, T., Wakai, Y., Nakashita, H., Matsumoto, T., Yogi, C., Ikeda, S., Wada, N. and Kojima, K. (2010) Preparation of Eu3+-Doped Ta2O5 Phosphor Particles by Sol-Gel Method. Optical Materials, 33, 164-169.
http://dx.doi.org/10.1016/j.optmat.2010.08.018

[5]   Singh, M.K., Fusegi, G., Kano, K., Bange, J.P., Miura, K. and Hanaizumi, O. (2009) Intense Photoluminescence from Erbium-Doped Tantalum Oxide Thin Films Deposited by Sputtering. IEICE Electronics Express, 6, 1676-1682.
http://dx.doi.org/10.1587/elex.6.1676

[6]   Bange, J.P., Singh, M.K., Kano, K., Miura, K. and Hanaizumi, O. (2011) Structural Analysis of RF Sputtered Er Doped Ta2O5 Films. Key Engineering Materials, 459, 32-37.
http://dx.doi.org/10.4028/www.scientific.net/KEM.459.32

[7]   Miura, K., Arai, Y., Osawa, T. and Hanaizumi, O. (2012) Light-Emission Properties of Europium-Doped Tantalum- Oxide Thin Films Deposited by Radio-Frequency Magnetron Sputtering. Journal of Light & Visual Environment, 36, 64-67.
http://dx.doi.org/10.2150/jlve.36.64

[8]   Singh, M.K., Miura, K., Fusegi, G., Kano, K. and Hanaizumi, O. (2013) Visible-Light Emission Properties of Erbium- Doped Tantalum-Oxide Films Produced by Co-Sputtering. Key Engineering Materials, 534, 154-157.
http://dx.doi.org/10.4028/www.scientific.net/KEM.534.154

[9]   Miura, K., Osawa, T., Yokota, Y., Suzuki, T. and Hanaizumi, O. (2014) Fabrication of Tm-Doped Ta2O5 Thin Films Using a Co-Sputtering Method. Results in Physics, 4, 148-149.
http://dx.doi.org/10.1016/j.rinp.2014.08.011

[10]   Miura, K., Osawa, T., Yokota, Y. and Hanaizumi, O. (2014) Fabrication and Evaluation of Ta2O5:Y2O3 Co-Sputtered Thin Films. Results in Physics, 4, 185-186.
http://dx.doi.org/10.1016/j.rinp.2014.09.004

[11]   Miura, K., Osawa, T., Suzuki, T., Yokota, Y. and Hanaizumi, O. (2015) Yellow Light Emission from Ta2O5:Er, Eu, Ce Thin Films Deposited Using a Simple Co-Sputtering Method. Results in Physics, 5, 26-27.
http://dx.doi.org/10.1016/j.rinp.2014.11.003

[12]   Miura, K., Osawa, T., Suzuki, T., Yokota, Y. and Hanaizumi, O. (2015) Fabrication and Evaluation of Green-Light Emitting Ta2O5:Er, Ce Co-Sputtered Thin Films. Results in Physics, 5, 78-79.
http://dx.doi.org/10.1016/j.rinp.2015.02.002

[13]   Miura, K., Kano, K., Arai, Y. and Hanaizumi, O. (2015) Preparation of Light-Emitting Ytterbium-Doped Tantalum- Oxide Thin Films Using a Simple Co-Sputtering Method. Materials Sciences and Applications, 6, 209-213.
http://dx.doi.org/10.4236/msa.2015.62024

[14]   Miura, K., Arai, Y., Kano, K. and Hanaizumi, O. (2015) Fabrication of Erbium and Ytterbium Co-Doped Tantalum- Oxide Thin Films Using Radio-Frequency Co-Sputtering. Materials Sciences and Applications, 6, 343-347.
http://dx.doi.org/10.4236/msa.2015.65039

[15]   Miura, K., Osawa, T., Yokota, Y., Suzuki, T. and Hanaizumi, O. (2015) Photoluminescence Properties of Thulium and Cerium Co-Doped Tantalum-Oxide Films Prepared by Radio-Frequency Co-Sputtering. Materials Sciences and Applications, 6, 263-268.
http://dx.doi.org/10.4236/msa.2015.64031

[16]   Miura, K., Suzuki, T. and Hanaizumi, O. (2015) Observation of Violet-Light Emission Band for Thulium-Doped Tantalum-Oxide Films Produced by Co-Sputtering. Materials Sciences and Applications, 6, 656-660.
http://dx.doi.org/10.4236/msa.2015.67067

[17]   Miura, K., Arai, Y. and Hanaizumi, O. (2015) Observation of Blue-Light Emission Band from Eu-Doped Ta2O5 Thin Films Prepared Using Co-Sputtering. Materials Sciences and Applications, 6, 676-680.
http://dx.doi.org/10.4236/msa.2015.67069

[18]   Miura, K., Suzuki, T. and Hanaizumi, O. (2015) Photoluminescence Properties of Europium and Cerium Co-Doped Tantalum-Oxide Thin Films Prepared Using Co-Sputtering Method. Journal of Materials Science and Chemical Engineering, 3, 30-34.
http://dx.doi.org/10.4236/msce.2015.38005

[19]   Xu, S.J., Chua, S.J., Liu, B., Gan, L.M., Chew, C.H. and Xu, G.Q. (1998) Luminescence Characteristics of Impurities- Activated ZnS Nanocrystals Prepared in Microemulsion with Hydrothermal Treatment. Applied Physics Letters, 73, 478-480.
http://dx.doi.org/10.1063/1.121906

[20]   Bol, A.A., Ferwerda, J., Bergwerff, J.A. and Meijerink, A. (2002) Luminescence of Nanocrystalline ZnS:Cu2+. Journal of Luminescence, 99, 325-334.
http://dx.doi.org/10.1016/S0022-2313(02)00350-2

[21]   Peng, W.Q., Cong, G.W., Qu, S.C. and Wang, Z.G. (2006) Synthesis and Photoluminescence of ZnS:Cu Nanoparticles. Optical Materials, 29, 313-317.
http://dx.doi.org/10.1016/j.optmat.2005.10.003

[22]   Sharma, P.K., Kumar, M. and Pandey, A.C. (2011) Green Luminescent ZnO:Cu2+ Nanoparticles for Their Applications in White-Light Generation from UV LEDs. Journal of Nanoparticle Research, 13, 1629-1637.
http://dx.doi.org/10.1007/s11051-010-9916-3

[23]   Korotcenkov, G., Han, S.H. and Cho, B.K. (2013) Material Design for Metal Oxide Chemiresistive Gas Sensors. Jour- nal of Sensor Science and Technology, 22, 1-17.
http://dx.doi.org/10.5369/JSST.2013.22.1.1

[24]   Devan, R.S., Lin, C.-L., Lin, J.-H., Wen, T.-K., Patil, R.A. and Ma, Y.-R. (2013) Effective Photoluminescence in a Large-Area Array of Ta2O5 Nanodots. Journal of Nanoscience and Nanotechnology, 13, 1001-1005.
http://dx.doi.org/10.1166/jnn.2013.6088

 
 
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