Semiconductor nanocrystals, thin films, composites and nanowires
Sensing properties of nanostructures (Temperature, Gas, Ion, pH)
Energy harvesting materials and nanogenerators
Optoelectronic devices (Photodetectors, LEDs)
Ion beam induced synthesis, modification and characterizations
Instrumentation, programming and simulations
Dr. S. Zhou, Institute of Ion Beam Physics and Materials Research, Helmholtz-Zentrun Dresden-Rossendorf (HZDR), Dresden, Germany.
Prof. G. Wu, Institute of Electro-Optical Engineering, Department of Electronic Engineering, Chang Gung University, Taiwan.
Prof. Z. Chen, College of Mechanical Engineering, Yanshan University, Qinhuangdao, China.
Prof. R. Chandra, Institute Instrumental Centre, India Institute of Technology, Roorkee (IITR), India.
Dr. D. Kanjilal, Dr. K. Asokan and Dr. F. Singh, Inter University Accelerator Centre (IUAC), New Delhi, India.
Controlled formation of silicon nanocrystals by dense electronic excitation in PLD grown SiOX filmsNupur Saxena, Avinash Agarwal, D. M. Phase, Ram Janey Choudhary and D. KanjilalPhysica E – Low-dimensional Systems and Nanostructures, 42 (2010) 2190 Publisher: Elsevier, ISSN: 1386-9477, Impact Factor: 2.00, Citations: 14
Ion beam induced formation of nanocrystalline silicon in pulsed laser deposited SiOX thin filmsNupur Saxena, Avinash Agarwal and D. Kanjilal Nuclear Instruments and Methods in Physics Research B 269 (2011) 3233Publisher: Elsevier, ISSN: 0168-583X, Impact Factor: 1.124, Citations: 4
Effect of thermal annealing on the formation of silicon nanoclusters in SiOX films grown by PLDNupur Saxena, Avinash Agarwal and D. KanjilalPhysica B: Condensed Matter, 406 (2011) 2148 Publisher: Elsevier, ISSN: 0921-4526, Impact Factor: 1.319, Citations: 3
Lattice distortion in ion beam synthesized silicon nanocrystals in SiOX thin filmsNupur Saxena, Pragati Kumar, Avinash Agarwal and D. Kanjilal Physica Status Solidi A, 209 (2012) 283 Publisher: John Wiley & Sons, ISSN: 1862-6319, Impact Factor: 1.616, Citations: 15
Nanotwinning in CdS quantum dots Pragati Kumar, Nupur Saxena, F. Singh and Avinash Agarwal Physica B: Condensed Matter, 407 (2012) 3347 Publisher: Elsevier, ISSN: 0921-4526, Impact Factor: 1.319, Citations: 30
Opto-structural studies of well dispersed silicon nanocrystals grown by atom beam sputtering Nupur Saxena, Pragati Kumar, D. Kabiraj and D. Kanjilal Nanoscale Research Letters, 7 (2012) 547 Publisher: Springer, ISSN: 1556-276X, Impact Factor: 2.779, Citations:
Nanotwinning and structural phase transition in CdS quantum dots Pragati Kumar, Nupur Saxena, Ramesh Chandra, Vinay Gupta, Avinash Agarwal and D. Kanjilal Nanoscale Research Letters, 7 (2012) 584 Publisher: Springer, ISSN: 1556-276X, Impact Factor: 2.779, Citations: 35
SHI induced enhancement in green emission from nanocrystalline CdS thin films for photonic applicationsPragati Kumar, Nupur Saxena, Ramesh Chandra, Kun Gao, Shengqaing Zhou, Avinash Agarwal, Fouran Singh, Vinay Gupta and D. Kanjilal J. Luminescence, 147 (2014) 184 Publisher: Elsevier, ISSN: 0022-2313, Impact Factor: 2.719, Citations: 19
Effect of swift heavy ions on pulsed laser deposited Ag doped CdS nanocrystalline thin films Pragati Kumar, Nupur Saxena, Vinay Gupta, Kun Gao, Fouran Singh and Avinash Agarwal Advanced Science Letters 20 (2014) 977 Publisher: American Scientific Publishers, ISSN: 1936-6612, Impact Factor: 1.253, Citations: 4
Correlation between surface phonon mode and luminescence in nanocrystalline CdS thin films: an effect of ion beam irradiation Pragati Kumar, Nupur Saxena, Vinay Gupta, F. Singh and Avinash Agarwal Journal of Applied Physics 116 (2014)043517 Publisher: American Institute of Physics, ISSN: 0021-8979, Impact Factor: 2.183, Citations: 12
Swift heavy ion induced functionality in nanocrystalline CdS thin films: Role of growth temperature Pragati Kumar, Nupur Saxena, F. Singh, Avinash Agarwal and Vinay Gupta Advanced Materials Letters 6 (2015) 820 Publisher: VBRI Press, ISSN: 0976-3961, Impact Factor: 1.90, Citations: 4
Effect of rapid thermal annealing temperature on the dispersion of Si nanocrystals in SiO2 matrix Nupur Saxena, Pragati Kumar, Vinay Gupta AIP Conference Proceedings 1661, 080026 (2015), ISSN: 0094-243X, Citations: 1
Influence of Ag doping concentration on structural and optical properties of CdS thin films Pragati Kumar, Nupur Saxena, Avinash Agarwal and Vinay Gupta AIP Conference Proceedings 1661, 080017 (2015), ISSN: 0094-243X, Citations: 4
CdS:SiO2 nanocomposite as a luminescence based wide range temperature sensor Nupur Saxena, Pragati Kumar, and Vinay Gupta RSC Advances, 5 (2015) 73545 Publisher: Royal Society of Chemistry, ISSN: 2046-2069, Impact Factor: 3.84, Citations: 6
Giant UV-sensitivity in ion beam irradiated nanocrystalline CdS thin films Pragati Kumar, Nupur Saxena, Sheetal Dewan, Fouran Singh, and Vinay Gupta RSC Advances, 6 (2016) 3642 Publisher: Royal Society of Chemistry, ISSN: 2046-2069, Impact Factor: 3.84, Citations: 4
Formation of luminescent Si nanocrystals by ion irradiation Nupur Saxena, Pragati Kumar, Vinay Gupta, D. Kabiraj, and D. Kanjilal Surface and Coating Technology, 306 (2016) 295 Publisher: Elsevier, ISSN: 0257-8972, Impact Factor: 2.139, Citations: --
SHI induced structural phase generation and enhanced luminescence from CdS based nanocomposites Pragati Kumar, Nupur Saxena, Fouran Singh, and Vinay Gupta Surface and Coating Technology, 306 (2016) 305Publisher: Elsevier, ISSN: 0257-8972, Impact Factor: 2.139, Citations: 1
Target swapping in PLD: An efficient approach for CdS/SiO2 and CdS:Ag(1%)/SiO2 nanocomposite thin films with enhanced luminescent properties, Nupur Saxena, Pragati Kumar, and Vinay Gupta Journal of Luminescence, 186 (2017) 62Publisher: Elsevier, ISSN: 0022-2313, Impact Factor: 2.719, Citations: --
Room temperature efficient detection of LPG by PLD grown CdS:SiO2 nanocomposite thin films Nupur Saxena, Pragati Kumar, Savita Sharma, Monika Tomar and Vinay Gupta, Sensors and Actuators B 2016 (Under Preparation).Publisher: Elsevier, ISSN: 0925-4005, Impact Factor: 4.758
Contributions in National/International Proceedings/Report: -Swift heavy ions on pulsed laser ablated Si nanocrystals – a sensitive approach for size tuning Nupur Saxena, Avinash Agarwal, D. M. Phase, R. J. Choudhary and D. Kanjilal Proceeding of the 53rd DAE - BRNS Solid State Physics Symposium (2008), BARC, Mumbai, 2008, Vol.-53, pp-399, ISBN: 978-81-8372-044-1.
Ion beam induced phase separation and formation of silicon nanocrystals embedded in silicon oxide matrix Nupur Saxena, Avinash Agarwal, D. Kabiraj and D. Kanjilal Inter University Accelerator Centre Annual Report 2009-10, pp-147
Controlled growth of Si nanocrystals in SiO2 by PLD Nupur Saxena, Avinash Agarwal, D. M. Phase, R. J. Choudhary and D. Kanjilal Proceedings of the National Conference on Synthesis and Characterization of Smart Materials, SCSM – 2009, Bareilly, India. Sep. 12 – 14, 2009, pp-103
Ion beam induced formation of silicon nanocrystals in PLD grown SiOX films Nupur Saxena, Avinash Agarwal, D. M. Phase, R. J. Choudhary and D. Kanjilal Proceedings of the National Conference on Synthesis and Characterization of Smart Materials, SCSM – 2009, Bareilly, India. Sep. 12 – 14, 2009, pp-46
Structural study of CdS nanoparticles Pragati Kumar, Nupur Saxena, F. Singh and Avinash Agarwal Proceedings of the National Conference on Synthesis and Characterization of Smart Materials, SCSM – 2009, Bareilly, India. Sep. 12 – 14, 2009, pp-128
25.Synthesis of silicon nanoclusters by PLD Nupur Saxena, Avinash Agarwal, R. J. Chaudhary, D. M. Phase, D. Kabiraj and D. Kanjilal proceedings of the Indo-French Workshop and International Conference on Nanoscience & Nanotechnology, AIT Nano – 2009, Gurgaon, India, Oct. 12 – 16, 2009, pp-145
PLD grown Si nanocrystals for memory and optical applications Nupur Saxena, Pragati Kumar and Vinay Gupta Proceeding of the National Conference on Nanotechnology and Renewable Energy (NCNRE-14), Jamia Milia Islamia University, Delhi, 2014, pp-318-321. ISBN-978-93-81212-65-3
Thermal activated structural phase transition and its effect on emission Pragati Kumar, Nupur Saxena, F. Singh, Avinash Agarwal and Vinay Gupta Proceeding of the National Conference on Nanotechnology and Renewable Energy (NCNRE-14), Jamia Milia Islamia University, Delhi, 2014, pp-229-232. ISBN-978-93-81212-65-3
