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Nanostructured CdO thin films have been prepared on glass substrates by spray pyrolysis technique using perfume atomizer from fresh and aged (1, 2, 3 and 4 days) precursor solutions. XRD studies confirm that all the films exhibit cubic crystal structure with a (1 1 1) preferential orientation. The preferential orientation factor f(1 1 1) increases with an increase in aging the period of precursor solution. The 2θ value of the (1 1 1) plane shifts towards lower Bragg angles with aging inferring an expansion in the lattice volume of the aged films. Increased crystallite size is observed for the 3-days aged film for which minimum strain and dislocation density values are obtained. Optical transparency increases with an increase in aging period of the precursor solution and the optical band gap exhibits a red shift from 2.48 eV to 2.32 eV. Minimum resistivity of 0.78 × 10−2 Ω·cm is observed for the CdO film prepared from 3-days aged solution. The obtained results infer that the CdO film prepared from 3-days aged solution exhibits better physical properties than the others.
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1--7
Opis fizyczny
Bibliogr. 20 poz., rys., tab.
Twórcy
autor
- Department of Physics, Anjalaiammal Mahalingam Engineering College, Kovilvenni, Tamilnadu, India
- PG and Research Department of Physics, AVVM Sri Pushpam College, Poondi – 613 503, Tamilnadu, India
autor
- PG and Research Department of Physics, AVVM Sri Pushpam College, Poondi – 613 503, Tamilnadu, India
autor
- PG and Research Department of Physics, AVVM Sri Pushpam College, Poondi – 613 503, Tamilnadu, India
Bibliografia
- [1] GULINO A., CASTELLI F., DAPPORTO P., ROSSI P., FRAGALA I., Chem. Mater., 14 (2002) 704.
- [2] MOHOLKAR A.V., AGAWANE G.L., SIM K.U., KWON Y., CHOI D.S., RAJPURE K.Y., KIM J.H., J. Alloy. Compd., 506 (2010) 794.
- [3] SHANMUGAVEL G., BALU A.R., NGARETHINAM V.S., Int. J. Chem. Mater. Res., 2 (2014) 88.
- [4] FARAG A.A.M., CAVAN M., YAKUPHANOGLU F., Mater. Chem. Phys., 132 (2012) 550.
- [5] UEDA N., MAEDA H., HOSONO H., KAWAZOE H., J. Appl. Phy., 84 (M., 1998) 6174.
- [6] YAN LANE M., KANNEWURF C.R., CHANG R.P.H., Appl. Phys. Lett., 78 (2001) 2342.
- [7] USHARANI K., BALU A.R., SHANMUGAVEL G., SUGANYA M., NAGARETHINAM V.S., Int. J. Sci. Res. Rev., 2 (2013) 53.
- [8] MAITY R., CHATTOPADHYAY K.K., Sol. Energ. Mat. Sol. C., 90 (2006) 597.
- [9] BALU A.R., NAGARETHINAM V.S., SUGANYA M., ARUNKUMAR N., SELVAN G., J. Electron. Device., 12 (2012) 739.
- [10] USHARANI K., RAJA N., MANJULA N., NAGARETHINAM V.S., BALU A.R., Int. J. Thin Film Sci. Technol., 2 (2015) 89.
- [11] MANJULA N., BALU A.R., Int. J. Chem. Phys. Sci., 3 (2014) 54.
- [12] LI Y., XU L., LI X., SHEN X., WANG A., Appl. Surf. Sci., 256 (2014) 4541.
- [13] SELVAN G., ABUBACKER M.P., USHARANI K., BALU A.R., Surf. Eng., 32 (2015) 212.
- [14] USHARANI K., BALU A.R., Acta Metall. Sinica, 28 (2014) 68.
- [15] SUGANYA M., BALU A.R., USHARANI K., Mater. Sci.-Poland, 32 (2014) 448.
- [16] SYED BASHER AHAMED M.G., NAGARETHINAM V.S., BALU A.R., THAYUMANAVAN A., MURALI K.R., SANJEEVIRAJA C., JAYACHANDRAN M., Cryst. Res. Technol., 45 (2010) 421.
- [17] RAVISHANKAR S., BALU A.R., ANBARASI M., NAGARETHINAM V.S., Optik, 126 (2015) 2550.
- [18] RAJASHREE C., BALU A.R., NAGARETHINAM V.S., Surf. Eng., 31 (2015) 316.
- [19] USHARANI K., BALU A.R., NAGARETHINAM V.S., Surf. Eng., 32 (2016) 829.
- [20] LEJIMI N., SAVADOGA O., Solar. Energ. Mat. Sol. C., 70 (2001) 71.
Uwagi
PL
Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-a461ad05-df75-4cb8-b4d8-7cb8b01b2f96