Search Results - "Gopi, Subash"

Host sensitized tunable luminescence of single phase white light emitting Ca2Sb2O7:Eu3+ phosphors by George, Anns, Gopi, Subash, Sreeja, E., Krishnapriya, T., Saritha, A. C., Joseph, Cyriac, Unnikrishnan, N. V., Biju, P. R.

“…A series of Eu 3+ doped calcium antimonate (Ca (2− x ) Sb 2 O 7 : x Eu 3+ , x  = 0, 0.05, 0.07, 0.09, 0.1, 0.2 mol%) phosphors were synthesized via…”
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Photoluminescent enhancement by the incorporation of Bi3+ in Ba2CaWO6: Eu3+ phosphors by Sreeja, E., Gopi, Subash, Krishnapriya, T., Unnikrishnan, N. V., Joseph, Cyriac, Biju, P. R.

“…A series of Bi 3+ -doped Ba 2 CaWO 6 : Eu 3+ phosphors were prepared by the conventional high-temperature solid-state reaction method. The structure,…”
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Optical Characteristics of Dy3+ Ions in Alkali Fluoroborate Glasses for WLEDs by Gopi, Subash, Remya Mohan, P., Sreeja, E., Unnnikrishnan, N. V., Joseph, Cyriac, Biju, P. R.

“…The aim of this study is to synthesize and characterize an economical alkali fluoroborate glass doped with Dy 3+ ions using melt quenching technique for white…”
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Concentration-Dependent Fluorescence and Judd–Ofelt Analysis of Trivalent-Praseodymium-Doped Alkali Fluoroborate Glass by Aryapriya, N., Gopi, Subash, Krishnapriya, T., Jose, Adon, Saritha, A. C., Unnikrishnan, N. V., Joseph, Cyriac, Biju, P. R.

“…The effects of different concentrations of Pr 3+ ions on the optical properties of (70− x )B 2 O 3  + 10BaO + 10K 2 O + 10ZnF 2  +  x Pr 6 O 11 ( x  =…”
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Spectroscopic investigations and phonon side band analysis of Eu 3+ -doped multicomponent tellurite glasses by Sajna, M.S., Gopi, Subash, Prakashan, V.P., Sanu, M.S., Joseph, Cyriac, Biju, P.R., Unnikrishnan, N.V.

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Structural and optical profile of a multifunctionalized 2‐pyridone derivative in a crystal engineering perspective by Joy, Monu, Anabha, E. R., Gopi, Subash, Mathew, Bijo, Kumar S, Ajeesh, Mathews, Annie

“…The supramolecular structural features of organic molecules are very important with regard to their widespread properties in both solids and solutions. Herein,…”
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Spectroscopic analysis of Eu3+ doped silica–titania–polydimethylsiloxane hybrid ORMOSILs by Manju Gopinath R J, Subash Gopi, Sanu Mathew Simon, Saritha, A C, Biju, P R, Cyriac, Joseph, Unnikrishnan, N V

“…Eu3+ doped silica–titania–polydimethylsiloxane hybrid ORMOSILs were synthesized via a non-hydrolytic sol–gel route. The structural and thermal analyses of the…”
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Luminescence properties and charge transfer mechanism of host sensitized Ba2CaWO6:Eu3+ phosphor by Sreeja, E., Gopi, Subash, Vidyadharan, Viji, Remya Mohan, P., Joseph, Cyriac, Unnikrishnan, N.V., Biju, P.R.

“…Eu3+ ions activated Ba2CaWO6 phosphors were synthesized by the conventional high temperature solid-state reaction method. The crystalline nature of the…”
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Spectroscopic investigations on 1.53 μm NIR emission of Er3+ doped multicomponent borosilicate glasses for telecommunication and lasing applications by Jose, Adon, Gopi, Subash, Krishnapriya, T., Jose, Twinkle Anna, Joseph, Cyriac, Unnikrishnan, N.V., Biju, P.R.

“…The multicomponent borosilicate (MBSER) glasses activated with different concentrations of Er3+ ions (varies from 0.1 to 2 mol%) were prepared via conventional…”
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Tunable green to red emission via Tb sensitized energy transfer in Tb/Eu co-doped alkali fluoroborate glass by Gopi, Subash, Jose, Saritha K., Sreeja, E., Manasa, P., Unnikrishnan, N.V., Joseph, Cyriac, Biju, P.R.

“…A new series of emission-tunable alkali fluoroborate glasses with molar composition (70-x-y)B2O3 + 10BaO + 10K2O + 10ZnF2 + xEu2O3 + yTb4O7 (y = 0.0, 1.0mol%…”
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Energy transfer driven tunable emission of Tb/Eu co-doped lanthanum molybdate nanophosphors by Thomas, Kukku, Alexander, Dinu, Sisira, S., Gopi, Subash, Biju, P.R., Unnikrishnan, N.V., Joseph, Cyriac

“…Tb3+/Eu3+ co-doped lanthanum molybdate nanophosphors were synthesized by conventional co-precipitation method. The Powder X-ray diffractogram revealed the…”
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Spectroscopic investigations and phonon side band analysis of Eu3+-doped multicomponent tellurite glasses by Sajna, M.S., Gopi, Subash, Prakashan, V.P., Sanu, M.S., Joseph, Cyriac, Biju, P.R., Unnikrishnan, N.V.

“…Novel and optically efficient multicomponent tellurite glasses doped with Eu3+ ions were prepared by melt quenching procedure. Absorption, photoluminescence…”
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Luminescence and phonon sideband analysis of Eu3+ doped alkali fluoroborate glasses for red emission applications by Gopi, Subash, Jose, Saritha K., George, Anns, Unnikrishnan, N. V., Joseph, Cyriac, Biju, P. R.

“…Trivalent europium (Eu 3+ ) doped alkali fluoroborate glasses (KBZFB) with molar composition 10K 2 O + 10BaO + 10ZnF 2 +(70 − x)B 2 O 3  + xEu 2 O 3 (x = 0.1,…”
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Intrinsic red luminescence of Eu3+-activated lanthanum molybdate: Insights into the spectroscopic features using Judd–Ofelt theoretical analysis by Thomas, Kukku, Alexander, Dinu, Mani, Kamal P., Gopi, Subash, Ajeesh Kumar, S., Biju, P.R., Unnikrishnan, N.V., Joseph, Cyriac

“…The spectroscopic properties of intense red-emitting La2-xEux(MoO4)3 nanophosphors synthesized by co-precipitation method were investigated on the basis of…”
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Synthesis and luminescence characteristics of CaB2O4:Er3+, Li+ phosphor by Mohan P, Remya, Gopi, Subash, Vidyadharan, Viji, George, Anns, Joseph, Cyriac, Unnikrishnan, N.V., Biju, P.R.

“…A series of Er3+ doped CaB2O4 phosphors were synthesized by conventional solid state reaction method. XRD and FTIR spectra confirmed the crystal phase…”
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Structural and photoluminescence properties of UV-excited Er3+ doped Ba2CaWO6 yellowish-green phosphors by Sreeja, E., Mohan P, Remya, Gopi, Subash, Joseph, Cyriac, Unnikrishnan, N.V., Biju, P.R.

“…Double perovskite Ba2CaWO6 phosphors doped with different concentrations of Er3+ have been synthesized by the conventional solid state reaction method in air…”
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Tunable luminescence of Tb3+ doped SiO2-TiO2-PDMS hybrid ORMOSILs by RJ, Manju Gopinath, Gopi, Subash, Simon, Sanu Mathew, Saritha, A.C., Biju, P.R., Joseph, Cyriac, Unnikrishnan, N.V.

“…A new class of SiO2-TiO2-PDMS hybrid ORMOSILs doped with Tb3+ ions were synthesized by non-hydrolytic sol-gel method. The host matrix was developed from both…”
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Eu3+ activated terbium oxalate nanocrystals: A novel luminescent material with delayed concentration quenching and tunable multicolour emission by Alexander, Dinu, Thomas, Kukku, Sisira, S., Jacob, Linju Ann, Gopi, Subash, Kumar S, Ajeesh, Biju, P.R., Unnikrishnan, N.V., Joseph, Cyriac

“…Tunable multicolour emitting Eu3+ activated Terbium oxalate nanophosphors synthesised by simple microwave assisted co-precipitation method is bring forth. The…”
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Optical characterization and Judd-Ofelt analysis of Pr 3+ ions in sol-gel derived zirconia/polyethylene glycol composite by Jose, Saritha K., Gopi, Subash, Thomas, Vinoy, Sreeja, E., Joseph, Cyriac, Unnikrishnan, N.V., Biju, P.R.

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Synthesis and luminescence characteristics of CaB 2 O 4 :Er 3+ , Li + phosphor by Mohan P, Remya, Gopi, Subash, Vidyadharan, Viji, George, Anns, Joseph, Cyriac, Unnikrishnan, N.V., Biju, P.R.

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