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Gopchandran Kunnel Gopalan

Optoelectronics
University of Kerala

Publications

Selected List of Research Publications in Journals
( H Index -18: Citations- ~1300 )
(1) Vinod M, Gopchandran KG. Ag@Au core-shell nanoparticles synthesized by pulsed laser ablation in water: Effect of plasmon coupling and their SERS performance. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2015;149:913-919.
(2) Vinod M, Gopchandran KG. Bimetallic Au-Ag nanochains as SERS substrates. Current Applied Physics 2015;15(8):857-863.
(3) Jiji SG, Gopchandran KG. Virus shaped gold nanoparticles with tunable near infrared plasmon as SERS substrates. Materials Research Express (IOP) 2015; 7( 2) 075005
(4) John J, Nair MS, Gopchandran KG, Wilscy M. Uniformity analysis in nanocrystalline silver thin films using fuzzy inference system. Surface and Interface Analysis 2015;47(1):161-165.
(5) Abhilash Kumar RG, Hata S, Ikeda K, Gopchandran KG. Luminescence dynamics and concentration quenching in Gd2-xEuxO3 nanophosphor. Ceramics International 2015;41(4):6037-6050.
(6) Abhilash Kumar RG, Hata S, Ikeda K, Gopchandran KG. Influence of metal ion concentration in the glycol mediated synthesis of Gd2O3:Eu3+ nanophosphor. Ceramics International 2014;40(2):2915-2926.
(7) Vinod M, Gopchandran KG. Au, Ag and Au: Ag colloidal nanoparticles synthesized by pulsed laser ablation as SERS substrates. Progress in Natural Science: Materials International 2014;24(6):569-578.
(8) Aswathy B, Sony G, Gopchandran KG. Shell Thickness-Dependent Plasmon Coupling and Creation of SERS Hot Spots in Au@Ag Core-Shell Nanostructures. Plasmonics 2014;9(6):1323-1331.
(9) Kumar RGA, Hata S, Gopchandran KG. Diethylene glycol mediated synthesis of Gd2O3:Eu 3+ nanophosphor and its Judd-Ofelt analysis. Ceramics International 2013;39(8):9125-9136.
(10) Sankar S, Gopchandran KG. Rutile TiO2(101) based plasmonic nanostructures. Ceramics International 2013;39(2):1081-1086.
(11) Smitha SL, Gopchandran KG, Smijesh N, Philip R. Size-dependent optical properties of Au nanorods. Progress in Natural Science:Materials International 2013;23(1): 36-43.
(12) Smitha SL, Gopchandran KG. Surface enhanced Raman scattering, antibacterial and antifungal active triangular gold nanoparticles. . Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2013;102:114-119.
(13) Smitha SL, Gopchandran KG, Nair NR, Nampoothiri KM, Ravindran TR. SERS and Antibacterial Active Green Synthesized Gold Nanoparticles. Plasmonics 2012;7(3):515-524.
(14) Sankar S, Gopchandran KG, Kuppusami P, Murugesan S. Spontaneously ordered TiO2 nanostructures. Ceramics International 2011;37(8):3307-3315.
(15) Gopakumar K, Premlet B, Gopchandran KG. Chua's oscillator in integrated circuit form with inbuilt control option. Journal of Circuits, Systems and Computers 2011;20(8):1591-1604.
(16) Smitha SL, Gopchandran KG, Ravindran TR, Prasad VS. Gold nanorods with finely tunable longitudinal surface plasmon resonance as SERS substrates. Nanotechnology 2011;22(26).
(17) Gopakumar K, Premlet B, Gopchandran KG. Implementation of Chua's circuit using simulated inductance. International Journal of Electronics 2011;98(5):667-677.
(18) Rajan G, Gopchandran KG. Effect of substrates on the photoemission properties of Li doped Gd 2O3:Eu3+ nanocrystalline films. Optical Materials 2011;33(3):494-500.
(19) Vinodkumar R, Navas I, Chalana SR, Gopchandran KG, Ganesan V, Philip R, et al. Highly conductive and transparent laser ablated nanostructured Al: ZnO thin films. Applied Surface Science 2010;257(3):708-716.
(20) Solomon S, Jacob L, Padma Kumar H, Gopchandran KG, Thomas JK. Photoluminescence and dielectric properties of Eu 3+ substituted microwave ceramics. Journal of Material Science: Materials in Electronics 2010;21(11):1132-1136.
(21) Krishnan RR, Vinodkumar R, Rajan G, Gopchandran KG, Mahadevan Pillai VP. Structural, optical, and morphological properties of laser ablated ZnO doped Ta2O5 films. Mater Sci Eng B Solid State Adv Technol 2010;174(1-3):150-158.
(22) Krishnan RR, Nissamudeen KM, Gopchandran KG, Pillai VPM, Ganesan V. Effect of doping and substrate temperature on the structural and optical properties of reactive pulsed laser ablated tin oxide doped tantalum oxide thin films. Vacuum 2010;84(10):1204-1211.
(23) Nissamudeen KM, Gopchandran KG. Y2O3:Eu3+ based nanophosphors with higher oscillator strength through lithium incorporation and indirect oxidation. Journal of Alloys Compounds 2010;490(1-2):399-406.
(24) Rajan G, Gopchandran KG. Engineering of luminescence from Gd2O3:Eu3+ nanophosphors by pulsed laser deposition. Optical Materials 2009;32(1):121-132.
(25) Unni C, Philip D, Gopchandran KG. Studies on optical absorption and photoluminescence of thioglycerol-stabilized ZnS nanoparticles. Optical Materials 2009;32(1):169-175.
(26) Smitha SL, Philip D, Gopchandran KG. Green synthesis of gold nanoparticles using Cinnamomum zeylanicum leaf broth. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2009;74(3):735-739.
(27) Nissamudeen KM, Kumar RGA, Ganesan V, Gopchandran KG. Enhanced photoemission from nanoscale agglomerations in Li co-activated Y2O3:Eu3+ thin films. Journal of Alloys and Compounds 2009;484(1-2):377-385.
(28) Sankar S, Gopchandran KG. Effect of annealing on the structural, electrical and optical properties of nanostructured TiO2 thin films. Crystal Research and Technology 2009;44(9):989-994.
(29) Geo Rajan, Gopchandran KG. Enhanced luminescence from spontaneously ordered Gd2O3:Eu3+ based nanostructures. Applied Surface Science 2009;255(22):9112-9123.
(30) Krishnan RR, Gopchandran KG, MahadevanPillai VP, Ganesan V, Sathe V. Microstructural, optical and spectroscopic studies of laser ablated nanostructured tantalum oxide thin films. Applied Surface Science 2009;255(16):7126-7135.
(31) Rajan G, Gopchandran KG. Background gas driven photoemission from laser ablated Li+ doped Gd 2O3:Eu3+ thin films. Journal of Optoelectronics and Advanced Materials 2009;11(5):590-596.
(32) Unni C, Philip D, Smitha SL, Nissamudeen KM, Gopchandran KG. Aqueous synthesis and characterization of CdS, CdS:Zn2+ and CdS:Cu2+ quantum dots. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2009;72(4):827-832.
(33) Nissamudeen KM, Sankar S, Bahna AH, Gopchandran KG. Studies on the influence of lithium incorporation in the photoluminescence of Y2O3:Eu3+ thin films. Journal of Physics and Chemistry of Solids 2009;70(5):821-826.
(34) Veenas CL, Nissamudeen KM, Smitha SL, Biju V, Gopchandran KG. Off-axis PLD: A novel technique for plasmonic engineering of silver nanoparticles. Journal of Optoelectronics and Advanced Materials 2009;11(2):114-122.
(35) Unni C, Philip D, Gopchandran KG. Studies on optical absorption and photoluminescence of thioglycerol-stabilized CdS quantum dots. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2008;71(4):1402-1407.
(36) Sankar S, Gopchandran KG. Effect of growth parameters on structural, electrical and optical properties of titanium oxide thin films. Indian Journal of Pure and Applied Physics 2008;46(11):791-796.
(37) Smitha SL, Nissamudeen KM, Philip D, Gopchandran KG. Studies on surface plasmon resonance and photoluminescence of silver nanoparticles. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2008;71(1):186-190.
(38) Nissamudeen KM, Gopchandran KG. Nanostructured transparent and luminescent Y2O 3:Eu3+ thin films. Journal of Optoelectronics and Advanced Materials 2008;10(10):2719-2726.
(39) Sasi B, Sankar S, Nissamudeen KM, Rajan G, Bahna AH, Gopchandran KG. Growth of nanoislands in thin nickel oxide films. Journal of Optoelectronics and Advanced Materials 2008;10(10):2637-2643.
(40) Philip D, Gopchandran KG, Unni C, Nissamudeen KM. Synthesis, characterization and SERS activity of Au-Ag nanorods. Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 2008;70(4):780-784.
(41) Chacko S, Philip NS, Gopchandran KG, Koshy P, Vaidyan VK. Nanostructural and surface morphological evolution of chemically sprayed SnO2 thin films. Applied Surface Science 2008;254(7):2179-2186.
(42) Sasi B, Gopchandran KG. Preparation and characterization of nanostructured NiO thin films by reactive-pulsed laser ablation technique. Solar Energy Materials and Solar Cells 2007;91(15-16):1505-1509.
(43) Jacob L, Padma Kumar H, Gopchandran KG, Thomas JK, Solomon S. Photoluminescence and dielectric properties of LnTiTaO 6 (Ln = Ce, Pr, Sm) polycrystals. Journal of Materials Science: Materials in Electronics 2007;18(8):831-835.
(44) Sasi B, Gopchandran KG. Nanostructured mesoporous nickel oxide thin films. Nanotechnology 2007;18(11).
(45) Manoj PK, Gopchandran KG, Koshy P, Vaidyan VK, Joseph B. Growth and characterization of indium oxide thin films prepared by spray pyrolysis. Optical Materials 2006;28(12):1405-1411.
(46) Sasi B, Gopchandran KG, Manoj PK, Koshy P, Prabhakara Rao P, Vaidyan VK. Preparation of transparent and semiconducting NiO films. Vacuum 2002;68(2):149-154.
(47) Joseph B, Gopchandran KG, Thomas PV, Koshy P, Vaidyan VK. A study on the chemical spray deposition of zinc oxide thin films and their structural and electrical properties. Materials Chemistry and Physics 1999;58(1):71-77.
(48) Joseph B, Gopchandran KG, Manoj PK, Koshy P, Vaidyan VK. Optical and electrical properties of zinc oxide films prepared by spray pyrolysis. Bulletin of Materials Science 1999;22(5):921-926.
(49) Gopchandran KG, Joseph B, Abraham JT, Koshy P, Vaidyan VK. Characterization of directly and indirectly oxidized thin indium films. Indian Journal of Engineering and Materials Sciences 1997;4(6):282-286.
(50) Gopchandran KG, Joseph B, Abraham JT, Koshy P, Vaidyan KV. The preparation of transparent electrically conducting indium oxide films by reactive vacuum evaporation. Vacuum 1997;48(6):547-550.
(51) Abraham JT, Thomas PV, Gopchandran KG, Joseph B, Vaidyan VK. Oxidation mechanism involved in thin tin films. Indian Journal of Engineering and Materials Sciences 1996;3(3):109-113.

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Member since June 11, 2011
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