Vinod Kumar
Vinod Kumar
IIT Delhi (India); UCA (France); TU (USA); UFS (South Africa); IUAC (India); DU (India); GKV (India)
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Upconversion based temperature sensing ability of Er3+–Yb3+ codoped SrWO4: an optical heating phosphor
A Pandey, VK Rai, V Kumar, V Kumar, HC Swart
Sensors and Actuators B: Chemical 209, 352-358, 2015
Origin of the red emission in zinc oxide nanophosphors
V Kumar, HC Swart, OM Ntwaeaborwa, RE Kroon, JJ Terblans, ...
Materials Letters 101, 57-60, 2013
Defect correlated fluorescent quenching and electron phonon coupling in the spectral transition of Eu3+ in CaTiO3 for red emission in display application
S Som, AK Kunti, V Kumar, V Kumar, S Dutta, M Chowdhury, SK Sharma, ...
Journal of Applied Physics 115 (19), 193101, 2014
The energy transfer phenomena and colour tunability in Y 2 O 2 S: Eu 3+/Dy 3+ micro-fibers for white emission in solid state lighting applications
S Som, P Mitra, V Kumar, V Kumar, JJ Terblans, HC Swart, SK Sharma
Dalton Transactions 43 (26), 9860-9871, 2014
Role of film thickness on the properties of ZnO thin films grown by sol-gel method
V Kumar, N Singh, RM Mehra, A Kapoor, LP Purohit, HC Swart
Thin Solid Films 539, 161-165, 2013
Enhanced upconversion and temperature sensing study of Er3+–Yb3+ codoped tungsten–tellurite glass
A Pandey, S Som, V Kumar, V Kumar, K Kumar, VK Rai, HC Swart
Sensors and Actuators B: Chemical 202, 1305-1312, 2014
Tunable and white emission from ZnO: Tb3+ nanophosphors for solid state lighting applications
V Kumar, S Som, V Kumar, V Kumar, OM Ntwaeaborwa, E Coetsee, ...
Chemical Engineering Journal 255, 541-552, 2014
Rare earth doped zinc oxide nanophosphor powder: a future material for solid state lighting and solar cells
V Kumar, OM Ntwaeaborwa, T Soga, V Dutta, HC Swart
Acs Photonics 4 (11), 2613-2637, 2017
Structural, transport and optical properties of boron-doped zinc oxide nanocrystalline
V Kumar, RG Singh, LP Purohit, RM Mehra
Journal of Materials Science & Technology 27 (6), 481-488, 2011
Effect of annealing on the structural, morphological and photoluminescence properties of ZnO thin films prepared by spin coating
V Kumar, V Kumar, S Som, A Yousif, N Singh, OM Ntwaeaborwa, ...
Journal of colloid and interface science 428, 8-15, 2014
Water retention and dye adsorption behavior of Gg-cl-poly (acrylic acid-aniline) based conductive hydrogels
K Sharma, BS Kaith, V Kumar, S Kalia, V Kumar, HC Swart
Geoderma 232, 45-55, 2014
Effect of Eu doping on the photoluminescence properties of ZnO nanophosphors for red emission applications
V Kumar, V Kumar, S Som, MM Duvenhage, OM Ntwaeaborwa, HC Swart
Applied Surface Science 308, 419-430, 2014
Doped zinc oxide window layers for dye sensitized solar cells
V Kumar, N Singh, V Kumar, LP Purohit, A Kapoor, OM Ntwaeaborwa, ...
Journal of Applied Physics 114 (13), 134506, 2013
Nonlinear optical properties of erbium doped zinc oxide (EZO) thin films
V Kumari, V Kumar, BP Malik, RM Mehra, D Mohan
Optics Communications 285 (8), 2182-2188, 2012
The role of surface and deep-level defects on the emission of tin oxide quantum dots
V Kumar, V Kumar, S Som, JH Neethling, E Olivier, OM Ntwaeaborwa, ...
Nanotechnology 25 (13), 135701, 2014
Synthesis of ZnO: TiO2 nanocomposites for photocatalyst application in visible light
GK Upadhyay, JK Rajput, TK Pathak, V Kumar, LP Purohit
Vacuum 160, 154-163, 2019
Effect of Br+6 ions on the structural, morphological and luminescent properties of ZnO/Si thin films
V Kumar, F Singh, OM Ntwaeaborwa, HC Swart
Applied Surface science 279, 472, 2013
Swift heavy ion irradiation induced modification in structural, optical and luminescence properties of Y2O3: Tb3+ nanophosphor
S Som, S Dutta, V Kumar, V Kumar, HC Swart, SK Sharma
Journal of luminescence 146, 162-173, 2014
Swift heavy ions induced modification on bandgap and luminescence of Y2O3:Tb3+ nanophosphor
S Som, S Dutta, V Kumar, V Kumar, HC Swart, SK Sharma
J. Luminescence 146, 162, 2014
Influence of ultrasonication times on the tunable colour emission of ZnO nanophosphors for lighting applications
V Kumar, HC Swart, M Gohain, V Kumar, S Som, BCB Bezuindenhoudt, ...
Ultrasonics sonochemistry 21 (4), 1549-1556, 2014
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