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VEENA LALAN

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Papers by VEENA LALAN

Research paper thumbnail of Investigations on structural and optical properties of Eu3+-activated Sr2GdNbO6 double-perovskite phosphors for solid-state lighting

Optical materials, Apr 1, 2024

Research paper thumbnail of Studies on organic-mediated synthesis of Y2O3:Eu3+ nanophosphors and its temperature-dependent photoluminescence properties

Bulletin of Materials Science

Research paper thumbnail of Metal-Organic Framework-Derived LaFeO3@C: an Adsorbent for Removing Organic Dyes from Water

Journal of Environmental Chemical Engineering

Research paper thumbnail of Enhanced electron transfer due to rGO makes Ag–CaTiO3@rGO a promising plasmonic photocatalyst

Journal of Science: Advanced Materials and Devices, Sep 1, 2022

Research paper thumbnail of Studies on Organic Mediated Synthesis of Y 2 O 3 :Eu 3+ Nanophosphors and its Temperature Dependent Photoluminescence Properties

In this work, thermally stable Y2O3:Eu3+ nanophosphors by organic mediated combustion technique u... more In this work, thermally stable Y2O3:Eu3+ nanophosphors by organic mediated combustion technique using dilute citric acid / citric acid mixed with diethylene glycol as fuel was prepared. The structural analysis establishes that these oxides crystallize into body-centered cubic structure with a space group la3. The nanophosphor prepared by citric acid with diethylene glycol as fuel exhibits better surface morphology and enhanced photoemission. The addition of polymeric precursors greatly enhanced the photoluminescence intensity of Y2O3: Eu phosphor by reducing the surface defects via the morphological control and improvement of crystallite growth. Investigations on temperature dependent photoluminescence studies reveal that the materials are thermally stable and the respective activation energy was 0.130 and 0.143 eV. The nanophosphor, fueled with diethylene glycol, exhibit remarkable CIE chromaticity coordinates (0.655, 0.345),in agreement with the National Television System Committe...

Research paper thumbnail of Enhanced electron transfer due to rGO makes Ag–CaTiO3@rGO a promising plasmonic photocatalyst

Journal of Science: Advanced Materials and Devices

Research paper thumbnail of Investigations on structural and optical properties of Eu3+-activated Sr2GdNbO6 double-perovskite phosphors for solid-state lighting

Optical materials, Apr 1, 2024

Research paper thumbnail of Studies on organic-mediated synthesis of Y2O3:Eu3+ nanophosphors and its temperature-dependent photoluminescence properties

Bulletin of Materials Science

Research paper thumbnail of Metal-Organic Framework-Derived LaFeO3@C: an Adsorbent for Removing Organic Dyes from Water

Journal of Environmental Chemical Engineering

Research paper thumbnail of Enhanced electron transfer due to rGO makes Ag–CaTiO3@rGO a promising plasmonic photocatalyst

Journal of Science: Advanced Materials and Devices, Sep 1, 2022

Research paper thumbnail of Studies on Organic Mediated Synthesis of Y 2 O 3 :Eu 3+ Nanophosphors and its Temperature Dependent Photoluminescence Properties

In this work, thermally stable Y2O3:Eu3+ nanophosphors by organic mediated combustion technique u... more In this work, thermally stable Y2O3:Eu3+ nanophosphors by organic mediated combustion technique using dilute citric acid / citric acid mixed with diethylene glycol as fuel was prepared. The structural analysis establishes that these oxides crystallize into body-centered cubic structure with a space group la3. The nanophosphor prepared by citric acid with diethylene glycol as fuel exhibits better surface morphology and enhanced photoemission. The addition of polymeric precursors greatly enhanced the photoluminescence intensity of Y2O3: Eu phosphor by reducing the surface defects via the morphological control and improvement of crystallite growth. Investigations on temperature dependent photoluminescence studies reveal that the materials are thermally stable and the respective activation energy was 0.130 and 0.143 eV. The nanophosphor, fueled with diethylene glycol, exhibit remarkable CIE chromaticity coordinates (0.655, 0.345),in agreement with the National Television System Committe...

Research paper thumbnail of Enhanced electron transfer due to rGO makes Ag–CaTiO3@rGO a promising plasmonic photocatalyst

Journal of Science: Advanced Materials and Devices

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