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Author

  • Dhananjaya Kekuda
2020

A comparative study on the structural, optical, and electrical properties of titania films grown by spin-coating method

Kompa, A., Kekuda, D. & Mohan Rao, K., 01-03-2020, In : Applied Physics A: Materials Science and Processing. 126, 3, 224.

Research output: Contribution to journal › Article

Enhancement of temperature coefficient of resistance (TCR) and magnetoresistance (MR) of La0.67-xRExCa0.33MnO3 (x = 0, 0.1; RE = Gd, Nd, Sm) system via rare-earth substitution

Pal, A., Nagaraja, B. S., Rachana, K. J., Supriya, K. V., Kekuda, D., Rao, A., Li, C. R. & Kuo, Y. K., 01-01-2020, In : Materials Research Express. 7, 3, 036102.

Research output: Contribution to journal › Article

Open Access
1 Citation (Scopus)

Investigation of cationic disorder effects on the transport and magnetic properties of perovskite Pr0.7-xRExSr0.3MnO3 (x=0.0,0.2; RE = Nd, Sm, & Gd)

Pal, A., Rao, A., Kekuda, D., Nagaraja, B. S., Mondal, R. & Biswas, D., 15-10-2020, In : Journal of Magnetism and Magnetic Materials. 512, 167011.

Research output: Contribution to journal › Article

Investigation on tailoring physical properties of Nickel Oxide thin films grown by dc magnetron sputtering

Salunkhe, P., Muhammed Ali, A. V. & Kekuda, D., 01-01-2020, In : Materials Research Express. 7, 1, 016427.

Research output: Contribution to journal › Article

Open Access
2019

Effect of doping concentration and annealing temperature on nitrogen-doped ZnO thin films: an investigation through spectroscopic techniques

Chaitra, U., Mahesha, M. G., Kekuda, D. & Rao, K. M., 01-06-2019, In : Applied Physics A: Materials Science and Processing. 125, 6, 394.

Research output: Contribution to journal › Article

1 Citation (Scopus)

Growth and characterization of undoped and aluminium doped zinc oxide thin films for SO2 gas sensing below threshold value limit

Chaitra, U., Ali, A. V. M., Viegas, A. E., Kekuda, D. & Rao, K. M., 01-12-2019, In : Applied Surface Science. 496, 143724.

Research output: Contribution to journal › Article

1 Citation (Scopus)

Highly fluorescent materials derived from ortho-vanillin: Structural, photophysical electrochemical and theoretical studies

Poojary, S., Acharya, M., Abdul Salam, A. A., Kekuda, D., Nayek, U., Madan Kumar, S., Adhikari, A. V. & Sunil, D., 01-02-2019, In : Journal of Molecular Liquids. 275, p. 792-806 15 p.

Research output: Contribution to journal › Article

2 Citations (Scopus)
2018

Evolution of defects and their effect on photoluminescence and conducting properties of green-synthesized ZnS nanoparticles

Devi, B. L., Rao, K. M., Kekuda, D. & Ramananda, D., 01-11-2018, In : Applied Physics A: Materials Science and Processing. 124, 11, 767.

Research output: Contribution to journal › Article

Fluorescent aromatic symmetrical azines: Synthesis and appraisal of their photophysical and electrochemical properties

Poojary, S., Sunil, D., Kekuda, D. & Sreenivasa, S., 01-11-2018, In : Optical Materials. 85, p. 1-7 7 p.

Research output: Contribution to journal › Article

5 Citations (Scopus)

Heterogeneity of photoluminescence properties and electronic transitions in copper oxide thin films: A thickness dependent structural and optical study

Gobbiner, C. R., Dillip, G. R., Joo, S. W. & Kekuda, D., 01-10-2018, In : Ceramics International. 44, 14, p. 16984-16991 8 p.

Research output: Contribution to journal › Article

4 Citations (Scopus)
2017

Effect of annealing temperature on the evolution of structural, microstructural, and optical properties of spin coated ZnO thin films

Chaitra, U., Kekuda, D. & Mohan Rao, K., 15-06-2017, In : Ceramics International. 43, 9, p. 7115-7122 8 p.

Research output: Contribution to journal › Article

22 Citations (Scopus)

Room Temperature Processed ZnO Thin Film Transistors Grown by Magnetron Sputtering Using Zirconium Oxide Gate Dielectric

A. V. Ali, M. & Kekuda, D., 01-12-2017, In : Physica Status Solidi (A) Applications and Materials Science. 214, 12, 1700113.

Research output: Contribution to journal › Article

2016

Dependence of solution molarity on structural, optical and electrical properties of spin coated ZnO thin films

Chaitra, U., Kekuda, D. & Rao, K. M., 01-07-2016, In : Journal of Materials Science: Materials in Electronics. 27, 7, p. 7614-7621 8 p.

Research output: Contribution to journal › Article

14 Citations (Scopus)

Influence of oxygen flow rate on the structural, optical and electrical properties of ZnO films grown by DC magnetron sputtering

Gobbiner, C. R., Ali Avanee Veedu, M. & Kekuda, D., 01-04-2016, In : Applied Physics A: Materials Science and Processing. 122, 4, 272.

Research output: Contribution to journal › Article

5 Citations (Scopus)

Role of oxygen flow rate on the structural and optical properties of copper oxide thin films grown by reactive magnetron sputtering

Ali, M., Gobinner, C. R. & Kekuda, D., 01-02-2016, In : Indian Journal of Physics. 90, 2, p. 219-224 6 p.

Research output: Contribution to journal › Article

3 Citations (Scopus)
2015

CuO/ZnO planar bilayer heterojunction grown by reactive dc magnetron sputtering

Gobbiner, C. R., Ali, A. V. M. & Kekuda, D., 01-12-2015, In : Journal of Materials Science: Materials in Electronics. 26, 12, p. 9801-9807 7 p.

Research output: Contribution to journal › Article

15 Citations (Scopus)

Effect of annealing temperature on the structural and optical properties of zinc oxide (ZnO) thin films prepared by spin coating process

Sanjeev, S. & Kekuda, D., 01-01-2015, In : IOP Conference Series: Materials Science and Engineering. 73, 1, 012149.

Research output: Contribution to journal › Conference article

22 Citations (Scopus)

Thickness and oxygen partial pressure dependence on optical band gap of indium oxide by reactive evaporation method

Ali, A. V. M. & Kekuda, D., 01-01-2015, In : IOP Conference Series: Materials Science and Engineering. 73, 1, 012027.

Research output: Contribution to journal › Conference article

1 Citation (Scopus)
2014

Influence of preparation parameters on structure and optical properties of ZnO thin films

Rajendra, B. V. & Kekuda, D., 2014, In : Indian Journal of Physics. 88, 6, p. 585-591 7 p.

Research output: Contribution to journal › Article

5 Citations (Scopus)

Optical properties of zinc oxide (ZnO) thin films prepared by spray pyrolysis method

Rajendra, B. V., Bhat, V. & Kekuda, D., 2014, Solid State Science and Technology IV. Vol. 895. p. 226-230 5 p. (Advanced Materials Research; vol. 895).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)
2013

Third-order nonlinear optical properties of Mn doped ZnO thin films under cw laser illumination

Nagaraja, K. K., Pramodini, S., Santhosh Kumar, A., Nagaraja, H. S., Poornesh, P. & Kekuda, D., 01-01-2013, In : Optical Materials. 35, 3, p. 431-439 9 p.

Research output: Contribution to journal › Article

120 Citations (Scopus)
2012

Flexible cadmium telluride/cadmium sulphide thin film solar cells on mica substrate

Rajendra, B. V. & Kekuda, D., 10-2012, In : Journal of Materials Science: Materials in Electronics. 23, 10, p. 1805-1808 4 p.

Research output: Contribution to journal › Article

8 Citations (Scopus)

Growth and study of CuIn1-xAlxSe2 thin films for photovoltaic applications

Kekuda, D., Nagaraju, J. & Krupanidhi, S. B., 01-12-2012, Solid State Physics - Proceedings of the 56th DAE Solid State Physics Symposium 2011. 1 ed. Vol. 1447. p. 1067-1068 2 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Thickness and oxygen partial pressure dependence on optical band gap of indium oxide by reactive evaporation method

Muhammed Ali, A. V. & Kekuda, D., 19-09-2012, In : Journal of Applied Sciences. 12, 16, p. 1718-1721 4 p.

Research output: Contribution to journal › Article

1 Citation (Scopus)
2011

Bilayer polymer solar cells with improved power conversion efficiency and enhanced spectrum coverage

Kekuda, D. & Chu, C. W., 28-11-2011, Optics: Phenomena, Materials, Devices, and Characterization, OPTICS 2011: International Conference on Light. Vol. 1391. p. 229-231 3 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Dual gate thin film transistors based on indium oxide active layers

Kekuda, D., Rao, K. M., Tolpadi, A. & Chu, C. W., 12-09-2011, Solid State Physics - Proceedings of the 55th DAE Solid State Physics Symposium 2010. PART A ed. Vol. 1349. p. 1081-1082 2 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Fine tuning of HOMO energy levels for low-band-gap photovoltaic copolymers containing cyclopentadithienopyrrole and bithiazole units

Patra, D., Sahu, D., Padhy, H., Kekuda, D., Chu, C. W., Wei, K. H. & Lin, H. C., 15-09-2011, In : Macromolecular Chemistry and Physics. 212, 18, p. 1960-1970 11 p.

Research output: Contribution to journal › Article

11 Citations (Scopus)

Small molecule thin film solar cells with active layers composed of copper phthalocyanine (CuPc) and fullerene (C70)

Kekuda, D., Rao, K. M., Tolpadi, A., Rajendra, B. V. & Chu, C. W., 12-09-2011, Solid State Physics - Proceedings of the 55th DAE Solid State Physics Symposium 2010. PART A ed. Vol. 1349. p. 619-620 2 p.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Synthesis and applications of main-chain Ru(ii) metallo-polymers containing bis-terpyridyl ligands with various benzodiazole cores for solar cells

Padhy, H., Sahu, D., Chiang, I. H., Patra, D., Kekuda, D., Chu, C. W. & Lin, H. C., 28-01-2011, In : Journal of Materials Chemistry. 21, 4, p. 1196-1205 10 p.

Research output: Contribution to journal › Article

33 Citations (Scopus)

The effect of solvent induced crystallinity of polymer layer on poly(3-hexylthiophene)/C70 bilayer solar cells

Kekuda, D., Lin, H. S., Chyi Wu, M., Huang, J. S., Ho, K. C. & Chu, C. W., 01-02-2011, In : Solar Energy Materials and Solar Cells. 95, 2, p. 419-422 4 p.

Research output: Contribution to journal › Article

19 Citations (Scopus)