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• 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 › peer-review

  • Spin coating
  • titanium dioxide
  • Optical properties
  • Structural properties
  • Electric properties
  2 Citations (Scopus)

• Enhancement of temperature coefficient of resistance (TCR) and magnetoresistance (MR) of La_0.67-xRE_xCa_0.33MnO₃ (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 › peer-review

  Open Access

  • Magnetoresistance
  • Rare earths
  • Substitution reactions
  • Temperature
  • manganite
  3 Citations (Scopus)

• Investigation of cationic disorder effects on the transport and magnetic properties of perovskite Pr_0.7-xRE_xSr_0.3MnO₃ (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 › peer-review

  • perovskite
  • Perovskite
  • Transport properties
  • Electron scattering
  • Magnetic properties

• 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 › peer-review

  Open Access

  • nickel monoxide
  • Nickel oxide
  • Magnetron sputtering
  • Oxide films
  • Thin films
  6 Citations (Scopus)

• New salicylaldehyde azine esters: Structural, aggregation induced fluorescence, electrochemical and theoretical studies

  Kagatikar, S., Sunil, D., Kekuda, D., Kulkarni, S. D. & Abdul Salam, A. A., 15-11-2020, In: Journal of Molecular Liquids. 318, 114029.

  Research output: Contribution to journal › Article › peer-review

  • salicylaldehyde
  • azines
  • Fluorescence
  • esters
  • Esters
  1 Citation (Scopus)
• 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 › peer-review

  • Doping (additives)
  • Annealing
  • Nitrogen
  • Thin films
  • Temperature
  4 Citations (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 › peer-review

  • Zinc Oxide
  • Zinc oxide
  • Oxide films
  • Aluminum
  • zinc oxides
  8 Citations (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 › peer-review

  • vanillin
  • molecular rotation
  • Azo dyes
  • Fluorophores
  • Azo Compounds
  4 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 › peer-review

  • ZnS nanoparticles
  • zinc sulfide
  • Zinc sulfide
  • Photoluminescence
  • Diffraction patterns

• 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 › peer-review

  • azines
  • Electrochemical properties
  • hydrazine
  • Hydrazine
  • benzenediazonium
  8 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 › peer-review

  • Photoluminescence
  • Copper oxides
  • Oxide films
  • Thin films
  • Optical band gaps
  5 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 › peer-review

  • Zinc Oxide
  • Zinc oxide
  • Optical properties
  • Oxide films
  • Structural properties
  28 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 › peer-review

  • Gate dielectrics
  • Magnetron sputtering
  • zirconium oxide
  • Thin film transistors
  • Zirconia
• 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 › peer-review

  • Molar concentration
  • Zinc Oxide
  • Zinc oxide
  • Optical properties
  • Oxide films
  16 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 › peer-review

  • Magnetron sputtering
  • Optical properties
  • Structural properties
  • Electric properties
  • Oxygen
  7 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 › peer-review

  • copper oxides
  • magnetron sputtering
  • flow velocity
  • optical properties
  • oxygen
  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 › peer-review

  • cupric oxide
  • Reactive sputtering
  • Magnetron sputtering
  • Heterojunctions
  • Argon
  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 › peer-review

  • Spin coating
  • Zinc Oxide
  • Zinc oxide
  • Optical properties
  • Oxide films
  24 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 › peer-review

  • indium oxide
  • Optical band gaps
  • Indium
  • Partial pressure
  • Evaporation
  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 › peer-review

  • preparation
  • optical properties
  • thin films
  • temperature
  • acetates
  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

  • Spray pyrolysis
  • Zinc oxide
  • Optical properties
  • Oxide films
  • Thin films
  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 › peer-review

  • Optical properties
  • Thin films
  • Lighting
  • illumination
  • Lasers
  131 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 › peer-review

  • Cadmium sulfide solar cells
  • cadmium telluride
  • Cadmium telluride
  • mica
  • cadmium sulfide
  8 Citations (Scopus)

• Growth and study of CuIn_1-xAl_xSe₂ 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

  • solar spectra
  • absorbers
  • sunlight
  • thin films
  • absorptivity

• 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 › peer-review

  • pressure dependence
  • indium oxides
  • partial pressure
  • oxygen
  • annealing
  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

  • solar cells
  • polymers
  • illumination
  • p-type semiconductors
  • solar radiation

• 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

  • indium oxides
  • transistors
  • thin films
  • threshold voltage
  • optical spectrum
  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 › peer-review

  • Copolymers
  • Electron energy levels
  • Energy gap
  • Electrons
  • copolymers
  12 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

  • fullerenes
  • solar cells
  • copper
  • molecules
  • donor materials

• 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 › peer-review

  • Ligands
  • Solar cells
  • Polymers
  • Butyric acid
  • Heterojunctions
  35 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 › peer-review

  • poly(3-hexylthiophene)
  • Crystallinity
  • Solar cells
  • Polymers
  • poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)
  20 Citations (Scopus)