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2010
9 Citations (Scopus)

Dibenzo[f,h]thieno[3,4-b] quinoxalinefullerene heterojunction bilayer solar cells with complementary spectrum coverage

Kekuda, D., Huang, J. S., Velusamy, M., Lin, J. T. & Chu, C. W., 01-10-2010, In : Solar Energy Materials and Solar Cells. 94, 10, p. 1767-1771 5 p.

Research output: Contribution to journalArticle

Heterojunctions
Solar cells
Quinoxalines
Molecules
Fullerenes
31 Citations (Scopus)

Enhanced spectral response in polymer bulk heterojunction solar cells by using active materials with complementary spectra

Huang, J. H., Lee, C. P., Ho, Z. Y., Kekuda, D., Chu, C. W. & Ho, K. C., 01-01-2010, In : Solar Energy Materials and Solar Cells. 94, 1, p. 22-28 7 p.

Research output: Contribution to journalArticle

Heterojunctions
Solar cells
Polymers
Fullerenes
Butyric acid
38 Citations (Scopus)

Modulation of donor-acceptor interface through thermal treatment for efficient bilayer organic solar cells

Kekuda, D., Huang, J. H., Ho, K. C. & Chu, C. W., 18-02-2010, In : Journal of Physical Chemistry C. 114, 6, p. 2764-2768 5 p.

Research output: Contribution to journalArticle

Conversion efficiency
solar cells
Heat treatment
Modulation
modulation
2016
4 Citations (Scopus)
Magnetron sputtering
Structural properties
Electric properties
Optical properties
Flow rate
2015
1 Citation (Scopus)
Optical band gaps
Partial pressure
Indium
Evaporation
Annealing
2011
1 Citation (Scopus)

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 proceedingConference contribution

indium oxides
transistors
thin films
threshold voltage
optical spectrum
2014
5 Citations (Scopus)
optical properties
preparation
thin films
temperature
pyrolysis
2012
7 Citations (Scopus)
Cadmium sulfide solar cells
Cadmium telluride
cadmium tellurides
cadmium sulfides
Mica
2019
2 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 journalArticle

molecular rotation
Azo Compounds
Azo dyes
Fluorophores
Derivatives
2018
Zinc sulfide
Photoluminescence
Nanoparticles
Defects
Microwave heating
2019

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 journalArticle

Zinc Oxide
Zinc oxide
Aluminum
zinc oxides
Oxide films
2015
14 Citations (Scopus)

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 journalArticle

Argon
Reactive sputtering
Magnetron sputtering
Oxide films
Heterojunctions
2012
1 Citation (Scopus)

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 journalArticle

indium oxides
pressure dependence
partial pressure
evaporation
oxygen
2010
58 Citations (Scopus)

Synthesis and applications of low-bandgap conjugated polymers containing phenothiazine donor and various benzodiazole acceptors for polymer solar cells

Padhy, H., Huang, J. H., Sahu, D., Patra, D., Kekuda, D., Chu, C. W. & Lin, H. C., 01-11-2010, In : Journal of Polymer Science, Part A: Polymer Chemistry. 48, 21, p. 4823-4834 12 p.

Research output: Contribution to journalArticle

Conjugated polymers
Polymers
Energy gap
Butyric acid
Electron energy levels

Erratum: Flexible fullerene field-effect transistors fabricated through solution processing (Advanced Materials (2009) 21 (4845) DOI:10.1002/adma.200901215)

Sung, C. F., Kekuda, D., Chu, L. F., Lee, Y. Z., Chen, F. C., Wu, M. C. & Chu, C. W., 01-12-2010, In : Advanced Materials. 22, 45, 1 p.

Research output: Contribution to journalComment/debate

5 Citations (Scopus)

Hybrid TiOx/fluoropolymer bi-layer dielectrics for low-voltage complementary inverters

Sung, C. F., Kekuda, D., Chu, L. F., Chen, F. C., Cheng, S. S., Lee, Y. Z., Wu, M. C. & Chu, C. W., 01-01-2010, In : Organic Electronics: physics, materials, applications. 11, 1, p. 154-158 5 p.

Research output: Contribution to journalArticle

fluoropolymers
Fluorine containing polymers
inverters
Gate dielectrics
low voltage
2017
19 Citations (Scopus)
Zinc Oxide
Zinc oxide
Oxide films
Optical properties
Annealing
2011
31 Citations (Scopus)

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 journalArticle

Solar cells
Polymers
Ligands
Butyric Acid
Butyric acid
11 Citations (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 journalArticle

Electron energy levels
copolymers
Energy gap
Copolymers
Tuning
18 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 journalArticle

Solar cells
Polymers
Boiling point
Excitons
Sun
2010
32 Citations (Scopus)

Synthesis and application of H-Bonded cross-linking polymers containing a conjugated pyridyl H-Acceptor side-chain polymer and various carbazole-based H-Donor dyes bearing symmetrical cyanoacrylic acids for organic solar cells

Sahu, D., Padhy, H., Patra, D., Kekuda, D., Chu, C. W., Chiang, I. H. & Lin, H. C., 10-12-2010, In : Polymer. 51, 26, p. 6182-6192 11 p.

Research output: Contribution to journalArticle

Bearings (structural)
Polymers
Coloring Agents
Dyes
Hydrogen
38 Citations (Scopus)

Efficient bilayer polymer solar cells possessing planar mixed-heterojunction structures

Huang, J. H., Li, K. C., Kekuda, D., Padhy, H. H., Lin, H. C., Ho, K. C. & Chu, C. W., 09-04-2010, In : Journal of Materials Chemistry. 20, 16, p. 3295-3300 6 p.

Research output: Contribution to journalArticle

Heterojunctions
Annealing
Fullerenes
Open circuit voltage
Quantum efficiency
31 Citations (Scopus)

Correlation between exciton lifetime distribution and morphology of bulk heterojunction films after solvent annealing

Huang, J. H., Li, K. C., Chien, F. C., Hsiao, Y. S., Kekuda, D., Chen, P., Lin, H. C., Ho, K. C. & Chu, C. W., 20-05-2010, In : Journal of Physical Chemistry C. 114, 19, p. 9062-9069 8 p.

Research output: Contribution to journalArticle

Excitons
Heterojunctions
heterojunctions
Polymers
Butyric acid
28 Citations (Scopus)

Label-free detection of DNA using novel organic-based electrolyte-insulator-semiconductor

Lin, T. W., Kekuda, D. & Chu, C. W., 01-08-2010, In : Biosensors and Bioelectronics. 25, 12, p. 2706-2710 5 p.

Research output: Contribution to journalArticle

Semiconductors
Electrolytes
Labels
DNA
Semiconductor materials
2012

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 proceedingConference contribution

solar spectra
absorbers
sunlight
thin films
absorptivity
2016
3 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 journalArticle

copper oxides
magnetron sputtering
flow velocity
optical properties
oxygen
2014
1 Citation (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 proceedingConference contribution

Spray pyrolysis
Zinc oxide
Oxide films
Optical properties
Thin films
2019
1 Citation (Scopus)
Nitrogen
Doping (additives)
Annealing
Thin films
Temperature
2013
116 Citations (Scopus)

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 journalArticle

Optical properties
Lighting
illumination
optical properties
Thin films
2017
Gate dielectrics
Thin film transistors
zirconium oxides
Zirconia
Magnetron sputtering
2010
63 Citations (Scopus)

Synthesis and characterization of a narrow-bandgap polymer containing alternating cyclopentadithiophene and diketo-pyrrolo-pyrrole units for solar cell applications

Chen, G. Y., Chiang, C. M., Kekuda, D., Lan, S. C., Chu, C. W. & Wei, K. H., 01-04-2010, In : Journal of Polymer Science, Part A: Polymer Chemistry. 48, 7, p. 1669-1675 7 p.

Research output: Contribution to journalArticle

Pyrroles
Solar cells
Polymers
Energy gap
Conjugated polymers
2015
17 Citations (Scopus)
Zinc Oxide
Spin coating
Zinc oxide
Oxide films
Structural properties
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 proceedingConference contribution

solar cells
polymers
illumination
p-type semiconductors
short circuit currents
2010
35 Citations (Scopus)

Synthesis and applications of 2,7-carbazole-based conjugated main-chain copolymers containing electron deficient bithiazole units for organic solar cells

Patra, D., Sahu, D., Padhy, H., Kekuda, D., Chu, C. W. & Lin, H. C., 01-12-2010, In : Journal of Polymer Science, Part A: Polymer Chemistry. 48, 23, p. 5479-5489 11 p.

Research output: Contribution to journalArticle

Copolymers
Butyric acid
Butyric Acid
Electrons
Esters
2018
4 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 journalArticle

Copper oxides
Oxide films
Photoluminescence
Thin films
Porosity
3 Citations (Scopus)

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 journalArticle

hydrazine
azines
Hydrazine
Electrochemical properties
Electroluminescence
2011

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 proceedingConference contribution

fullerenes
solar cells
copper
thin films
donor materials
2016
12 Citations (Scopus)
Zinc Oxide
Zinc oxide
zinc oxides
Oxide films
Structural properties