Study of Structural, Surface Morphological and Dielectric Properties of Cu-Doped Tin Oxide Nanoparticles

Abstract:

Cu doped SnO₂ nanoparticles were prepared using the chemical precipitation method. The Cu doped SnO₂ nanoparticles have been characterized by powder X-ray diffraction (XRD) analysis, Scanning electron microscopy (SEM), elemental dispersive X-ray (EDX) analysis, Transmission electron microscopy (TEM), UV-Visible absorption spectrum and Dielectric studies. The average crystalline size of Cu doped SnO₂ nanoparticles was calculated from the X-ray diffraction (XRD) pattern and found to be 15 nm and it was further confirmed from the transmission electron microscopy (TEM) studies. The scanning electron microscopy (SEM) analysis showed that the nanoparticles agglomerate forming spherical-shaped particles. The elemental composition of Cu doped SnO₂ nanoparticles was analyzed by Energy Dispersive X-ray (EDX) spectrum. The optical absorption study clearly shows that the absorption edge shift towards the higher wavelength region. The dielectric properties of Cu doped SnO₂ nanoparticles have been studied in the different frequency at different temperatures. The dielectric constant and dielectric loss of the Cu doped SnO₂ nanoparticles decreases with increase in frequency. Cu doped SnO₂ nanoparticles were prepared using the chemical precipitation method. The Cu doped SnO₂ nanoparticles have been characterized by powder X-ray diffraction (XRD) analysis, Scanning electron microscopy (SEM), elemental dispersive X-ray (EDX) analysis, Transmission electron microscopy (TEM), UV-Visible absorption spectrum and Dielectric studies. The average crystalline size of Cu doped SnO₂ nanoparticles was calculated from the X-ray diffraction (XRD) pattern and found to be 15 nm and it was further confirmed from the transmission electron microscopy (TEM) studies. The scanning electron microscopy (SEM) analysis showed that the nanoparticles agglomerate forming spherical-shaped particles. The elemental composition of Cu doped SnO₂ nanoparticles was analyzed by Energy Dispersive X-ray (EDX) spectrum. The optical absorption study clearly shows that the absorption edge shift towards the higher wavelength region. The dielectric properties of Cu doped SnO₂ nanoparticles have been studied in the different frequency at different temperatures. The dielectric constant and dielectric loss of the Cu doped SnO₂ nanoparticles decreases with increase in frequency.

• Periodical: Journal of Nano Research (Volume 34)
• Pages: 91-97
• DOI: https://doi.org/10.4028/www.scientific.net/JNanoR.34.91
• Online since: July 2015
• Authors: Suresh Sagadevan*
• Keywords: Cu Doped SnO₂ Nanoparticles, Dielectric Constant, Dielectric Loss, Particle Size, Spherical Shape Morphology

References

[1] P. Moriarty, Rep. Prog. Phys., 64(2001) 297-381.

[2] A. I. Gusev, A.A. Rampel, Cambridge International Science Publishing, Cambridge, (2004).

[3] R.F. Khairutdinov, N.A. Rubtsora, and S.M.B. Costa, J. Lumin., 68 (1996) 299-311.

[4] K.L. Chopra, S. major, D.K. Pandya, Thin Solid Films 102, (1983)1.

[5] C. Kilic, A. Zunger, Phys. Rev. Lett. 88(2002) 095501.

[6] Meng Jiang, Xuhai Li, Jing Liu, Jiliang Zhu, Xiaohong Zhu, Lihua Li, Qiang Chen, Jianguo Zhu and Dingquan Xiao, Journal of Alloys and Compounds, 479 (2009) L18-L21.

DOI: 10.1016/j.jallcom.2008.12.099

[7] M. Ignatovych, V. Holovey, A. Watterich, T. Vidóczy, P. Baranyai, A. Kelemen, and O. Chuiko, Radiation Measurements, 38(2004) 567-570.

DOI: 10.1016/j.radmeas.2004.01.011

[8] Suresh Sagadevan, International Journal of Physical Sciences. 8(21) (2013) 1121-1127.

[9] Suresh Sagadevan, American Journal of Nanoscience and Nanotechnology. 1(2013) 27-30.

[10] S. Suresh, C. Arunseshan, Appl Nanosci. 4 (2014) 179–184.

[11] Sagadevan Suresh, Appl Nanosci. 4(2014) 325–329.

[12] Suresh Sagadevan, J Nanomater Mol Nanotechnol, 4(2015)1.