Dr. S. Gnanam

@velsuniv.ac.in

Assistant Professor, Department of Physics
Vels Institute of Science, Technology & Advanced Studies (VISTAS)

EDUCATION

M.Sc., Ph.D.

RESEARCH INTERESTS

Nanoscience & Crystal Growth
63

Scopus Publications

1159

Scholar Citations

14

Scholar h-index

22

Scholar i10-index

Scopus Publications

RECENT SCHOLAR PUBLICATIONS

  • Synthesis and characterization of samarium oxide (Sm 2 O 3 ) nanoparticles for testing electrochemical sensing and photocatalytic applications
    S Vishnu Priya, S Gnanam, J Gajendiran
    Solid State Communications 411, 116372 , 2026
    2026
  • Synthesis and characterization of samarium oxide (Sm2O3) nanoparticles for testing electrochemical sensing and photocatalytic applications
    SV Priya, S Gnanam, J Gajendiran
    Solid State Communications, 116372 , 2026
    2026
  • Influence of tungsten doping on the structural, morphological features, and optical properties of the Co3O4 nanoparticles
    PK Prasad, S Gnanam, J Gajendiran, G Thennarasu
    Physics Letters A, 131516 , 2026
    2026
  • Synthesis of uncapped and graphite-capped ZnO nanostructures and their chromaticity and photocatalytic degradation of methylene blue for photonic emitting device and wastewater …
    J Gajendiran, P Udhayachozhan, D Sawyasasin, S Gnanam, JR Ramya, ...
    Materials Letters 403, 139437 , 2026
    2026
    Citations: 4
  • Optical properties and antimicrobial activity of sol-gel synthesis of GdMnO3–GdMn2O5 composite
    J Gajendiran, S Gnanam, P Prameela, JR Ramya, M Karthikeyan, ...
    Powder Metallurgy, 23-31 , 2026
    2026
  • Synthesis, analysis and characterization of structural, optical, photoluminescence, chromaticity, antimicrobial, antioxidant, and hemolysis properties of SnO2-NiO nanocomposites
    J Gajendiran, IS Kalyani, V Ramya, CS Chakravarthi, S Gnanam, ...
    Materials Science and Engineering: B 323, 118668 , 2026
    2026
    Citations: 2
  • Nanocrystalline YMnO3 through Microwave Reaction Followed by Calcination: Insights into Structural, Optical, and Chromaticity Properties for Potential Light Emitting Device …
    J Gajendiran, JR Ramya, S Gnanam, P Devendran, G Thennarasu, ...
    Ceramics International , 2025
    2025
    Citations: 1
  • Synthesis and physico-chemical characterization of ZnO nanostructures for LED, photocatalytic, and biomedical applications
    J Gajendiran, D Sawyasasin, P Udhayachozhan, S Gnanam, JR Ramya, ...
    Journal of the Indian Chemical Society 102 (8), 101867 , 2025
    2025
    Citations: 7
  • Comparative study of multifunctional properties of the solid-state synthesized ZnO nanostructures and ZnO-graphite nanocomposites
    J Gajendiran, D Sawyasasin, S Gnanam, JR Ramya, P Balraju, ...
    Diamond and Related Materials, 112638 , 2025
    2025
    Citations: 5
  • Unveiling the impact of aluminium (A l ) on the pure LaFeO 3 nanoparticles for supercapacitor electrodes
    K Sedumathavan, N Sivakumar, S Kalpana, K Yukesh Kumar, ...
    Journal of Materials Science: Materials in Electronics 36 (18), 1117 , 2025
    2025
    Citations: 6
  • Experimental investigations on the optical properties of solid-state synthesized SnO2 nanostructures for orange-emission LED applications
    J Gajendiran, P Balraju, S Gnanam, JR Ramya, G Thennarasu, R Suresh, ...
    Journal of the Indian Chemical Society 102 (6), 101731 , 2025
    2025
    Citations: 1
  • Synthesis of undoped and mixed binary transition metals (Ni-Co)-doped cupric oxide nanostructures: structural characteristics, optical behavior, and biological activity
    M Karthikeyan, J Gajendiran, S Gnanam, JR Ramya, KT Arul, ...
    Journal of Molecular Structure 1321, 139895 , 2025
    2025
    Citations: 20
  • Structural, optical, chromaticity, and magnetic properties of uncapped and reduced graphene oxide (rGO) capped-β-Ni (OH) 2 nanostructures for spintronic devices, and LED …
    J Gajendiran, JR Ramya, S Gnanam, R Suresh, G Thennarasu
    Inorganic Chemistry Communications 172, 113720 , 2025
    2025
    Citations: 4
  • Investigation on the structural, optical, photoluminescence, and antimicrobial properties of charged surfactants (CTAB, SDS), and uncharged surfactant (PEG) assisted zno/mgo …
    S Gnanam, RK Shynu, J Gajendiran, M Karthikeyan, JR Ramya, ...
    Chemical Physics Letters 857, 141702 , 2024
    2024
    Citations: 5
  • Synthesis, optical absorption, luminescence, chromaticity, and catalytic properties of undoped CuO and Gd-doped CuO nanostructures for LED devices and waste water treatment …
    M Karthikeyan, J Gajendiran, S Gnanam, JR Ramya, G Thennarasu
    Materials Letters 377, 137548 , 2024
    2024
    Citations: 4
  • Correction to: Structural, mechanical and antimicrobial studies of GZnA single crystal via slow solvent evaporation process
    J Tracy, S Gnanam, M Lakshmipriya, G Abirami
    Interactions 245 (1), 373 , 2024
    2024
  • Structural, mechanical and antimicrobial studies of GZnA single crystal via slow solvent evaporation process
    J Tracy, S Gnanam, M Lakshmipriya, G Abirami
    Interactions 245 (1), 343 , 2024
    2024
  • Application of computational techniques on non-covalent interactions, H-bond nature of monomeric and dimeric form of crystal structures, and topological insights of glycine …
    J Tracy, S Gnanam, M Thirunavukkarasu, CE Jeyanthi, S Muthu, ...
    Journal of the Indian Chemical Society 101 (11), 101374 , 2024
    2024
    Citations: 1
  • Impact of calcined temperatures on the crystalline parameters, morphological, energy band gap, electrochemical, antimicrobial, antioxidant, and hemolysis behavior of …
    J Gajendiran, S Gnanam, RK Shynu, JR Ramya, V Kavimani, ...
    Journal of the Indian Chemical Society 101 (11), 101370 , 2024
    2024
    Citations: 7
  • Synthesis and characterization of ZnO-NiO nanocomposites for photocatalytic and electrochemical storage applications
    S Gnanam, RK Shynu, J Gajendiran, JR Ramya, G Thennarasu, KT Arul, ...
    Ionics 30 (10), 6653-6665 , 2024
    2024
    Citations: 13

MOST CITED SCHOLAR PUBLICATIONS

  • Synthesis of CeO 2 or α–Mn 2 O 3 nanoparticles via sol–gel process and their optical properties
    S Gnanam, V Rajendran
    Journal of sol-gel science and technology 58 (1), 62-69 , 2011
    2011
    Citations: 200
  • Facile sol-gel preparation of Cd-doped cerium oxide (CeO2) nanoparticles and their photocatalytic activities
    S Gnanam, V Rajendran
    Journal of Alloys and Compounds 735, 1854-1862 , 2018
    2018
    Citations: 123
  • Luminescence properties of EG-assisted SnO2 nanoparticles by sol-gel process
    S Gnanam, V Rajendran
    Digest Journal of Nanomaterials and Biostructures 5 (3), 699-704 , 2010
    2010
    Citations: 87
  • Synthesis of tin oxide nanoparticles by sol–gel process: effect of solvents on the optical properties
    S Gnanam, V Rajendran
    Journal of sol-gel science and technology 53 (3), 555-559 , 2010
    2010
    Citations: 86
  • Facile hydrothermal synthesis of alpha manganese sesquioxide (α-Mn2O3) nanodumb-bells: structural, magnetic, optical and photocatalytic properties
    S Gnanam, V Rajendran
    Journal of alloys and compounds 550, 463-470 , 2013
    2013
    Citations: 83
  • Preparation of Cd-doped SnO 2 nanoparticles by sol–gel route and their optical properties
    S Gnanam, V Rajendran
    Journal of sol-gel science and technology 56 (2), 128-133 , 2010
    2010
    Citations: 64
  • Influence of Various Surfactants on Size, Morphology, and Optical Properties of CeO2 Nanostructures via Facile Hydrothermal Route
    SGV Rajendran
    Journal of Nanoparticles 1 (1), 1-6 , 2013
    2013
    Citations: 61
  • Glycine-assisted hydrothermal synthesis of pure and europium doped CeO2 nanoparticles and their structural, optical, photoluminescence, photocatalytic and antibacterial properties
    S Gnanam, J Gajendiran, JR Ramya, K Ramachandran, SG Raj
    Chemical Physics Letters 763, 138217 , 2021
    2021
    Citations: 50
  • Anionic, cationic and nonionic surfactants-assisted hydrothermal synthesis of tin oxide nanoparticles and their photoluminescence property
    S Gnanam, V Rajendran
    Digest Journal of Nanomaterials and Biostructures 5 (2), 623 , 2010
    2010
    Citations: 44
  • Optical Properties of Capping Agents Mediatited Lead Oxide Nano Particales via facile hydrothermal Process
    S Gnanam, V Rajendran
    J. of Nanomterial and Biostractures 1 (12), 6 , 2004
    2004
    Citations: 29
  • Structural, optical and photocatalytic properties of ZnS spherical/flake nanostructures by sugar-assisted hydrothermal process
    J Gajendiran, S Gnanam, VV Kumar, K Ramachandran, JR Ramya, ...
    Chemical Physics Letters 754, 137639 , 2020
    2020
    Citations: 24
  • Synthesis of undoped and mixed binary transition metals (Ni-Co)-doped cupric oxide nanostructures: structural characteristics, optical behavior, and biological activity
    M Karthikeyan, J Gajendiran, S Gnanam, JR Ramya, KT Arul, ...
    Journal of Molecular Structure 1321, 139895 , 2025
    2025
    Citations: 20
  • Antimicrobial activity of the novel metal oxide nanoparticles against selected human pathogenic bacteria
    S Gnanam, R Ashokkumar, K SenthilKannan
    IOP Conference Series: Materials Science and Engineering 561 (1), 012086 , 2019
    2019
    Citations: 15
  • Semiconducting material of pure ZnO hollow nanospheres; and their modified electrode used for electrocatalytic reduction of ethanol and hydrogen peroxide
    M Alexander, S Suriyadharshini, S Raghu, RA Kalaivani, S Gnanam
    Materials Science in Semiconductor Processing 99, 62-67 , 2019
    2019
    Citations: 15
  • Antimicrobial efficiency against fish pathogens on the green synthesized silver nanoparticles
    JR Ramya, S Ali, R Vijayalakshmi, J Gajendiran, S Gnanam, ...
    Microbial Pathogenesis 193, 106725 , 2024
    2024
    Citations: 14
  • Synthesis and characterization of ZnO-NiO nanocomposites for photocatalytic and electrochemical storage applications
    S Gnanam, RK Shynu, J Gajendiran, JR Ramya, G Thennarasu, KT Arul, ...
    Ionics 30 (10), 6653-6665 , 2024
    2024
    Citations: 13
  • Growth and Characterization of Co‐Doped L ‐Lysine Monohydrochloride Dihydrate (CLMHCl) Single Crystals by Slow Evaporation Method
    V Rajendran, S Gnanam
    Journal of Chemistry 9 (2), 563-568 , 2012
    2012
    Citations: 12
  • Synthesis, structural properties, thermal behavior, and electrical and electrochemical sensing performance of tamarind seed polysaccharide-lithium nitrate polymer electrolyte
    S Monisha, P Prameela, G Boopathi, S Selvalakshmi, S Gnanam, ...
    Ionics 30 (5), 2807-2818 , 2024
    2024
    Citations: 11
  • Various concentrations of yttrium oxide (Y2O3) doping induce changes in structural, magnetic, optical, and photoluminescence properties of solid-state synthesized strontium …
    D Anand, K Ramachandran, M Silambarasan, J Gajendiran, S Gnanam
    Optical Materials 147, 114706 , 2024
    2024
    Citations: 11
  • Growth and XRD, CHNSO, Pl, Beam Displacement, Influx, Mass Spectral Characterization and Effect of LDT - Laser Fluence on L-Arginine Phosphate Monohydrate (LAPM) Crystals
    KS K. Kumar, K.Senthilkannan, M. Vimalan, S. Gnanam, S. Jeyakumar, P. Baskaran
    American International Journal of Research in Science, Technology … , 2019
    2019
    Citations: 10