Investigation of Optical Properties of ZnO/MnO₂, ZnO/TiO₂ and ZnO/MnO₂/TiO₂ Nanocomposites

Abstract:

ZnO nanocomposites such as (ZnO) _0.8(MnO₂)_0.2, (ZnO) _0.8(TiO₂)_0.2and (ZnO) _0.8 (MnO₂)_0.1(TiO₂)_0.1 were prepared by solid state reaction method at room temperature. The structural analysis was carried out with help of powder XRD to confirm the formation of the composites. The morphological properties and presence of elemental compositions were analyzed with scanning electron microscope and energy dispersive analysis spectroscopy respectively. Optical properties were studied with UV visible spectrophotometer. From the transmittance spectrum, it is concluded that the synthesized composite materials have the transmittance in the range of 80 to 95% in the visible region. The calculated optical band gap values for pure ZnO is 3.16 eV and the values are 3.7eV, 5.27eV and 4.46eV for the composites ZnO/MnO₂, ZnO/TiO₂ and ZnO/MnO₂/TiO₂, respectively. The study has found that the ZnO/MnO₂, ZnO/TiO₂ and ZnO/MnO₂/TiO₂ composites have very large energy gap as that of insulator.

• Periodical: Advanced Materials Research (Volume 938)
• Pages: 123-127
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.938.123
• Online since: June 2014
• Authors: G. Shanmuganathan*, I.B. Shameem Banu
• Keywords: Nanocomposite, Optical Property, Solid State Reaction Method

References

[1] S.K. Gupta, Aditee Joshi Man meet Kaur, J. Chem. Sci. Vol 1(2010) 122.

[2] Yong-Seok Choi, Jang-Won Kang, Dae-Kue Hwang and Seang-JuPark, IEEE transaction of Electron Devices. Vol. 57(2010) 26.

[3] Husnu Emrah Unalan, Yan Zhang, Pritesh Hiralal, Sharvari Dalai, Daping Chu, Goki Eda, K.B.K. Teo, Manish Chhowalla, William I. Milne and Gehan A.J. Amaratunga, Applied Physics Letters . 94 1635501( 2009) 163501.

DOI: 10.1063/1.3120561

[4] Linxing Shi, Xangyin Li, Journal of Luminescence. 134 (2011) 834.

[5] M. Jacobson, Nature Materials Advance Online Publication. (2011).

[6] Yaohui Wang, Hao Liu, Xueliang Sun and Igor Zhitomirsky, Scripta Materialia. 61(2009) 1079.

[7] Qian Cheng, Jie Tang, Jun Ma, Han Zhang, Norio Shinya, Lu-Chang Qin, Carbon. 49 (2011) 2917.

[8] Nursen Avci, Philippe F. Smet, Hilde Poelman, Nigel Van de Velde, Klaartje De Buysser, Isabel Van Driessche, Dirk Poelman, J Sol-gel Sci Techonol, doi 10. 1007/s 10971-009-2028-9.

DOI: 10.1007/s10971-009-2028-9

[9] C. Liu, Q. Fu, J.B. Wang, W.K. Zhao, Y.L. Fang, T. Mihara and M. Kiuchi, Journal of the Korean Physical Society. Vol, 46 S104.

[10] Mingpeng Yu, Hongtao Sun, Xiang Sun, Fengyuan Lu, Gongkai Wang, Tao Hu2, Hong Qiu1 and Jie Lian, Int. J. Electrochem. Sci. 8(2013) 2313.

[11] N. K. Pandey, K. Tiwari and Akash Roy. Bull. Mater. Sci. Vol. 35 (2012) 347.

[12] Haixia Chen, Shuyi Ma, Yingfeng Li, Ligang Ma, and Xingli Huang. 978-1-4577-0321, © (2011) IEEE.

[13] J.J. Lu a, Y.M. Lu , S.I. Tasi , T.L. Hsiung , H.P. Wang , L.Y. Jang , Optical Materials. 29 (2007) 1549.

[14] Zhihua Yong, Tao Liu, TomoyaUruga, Hajime Tanida, Dongchen Qi, AndrivoRusydi and Andrew T. S. Wee, Materials (2010)3, 3642-3653; doi: 10. 3390/ma3063642.