Search Results - "Mahalingam, Venkataramanan"

The Active‐Core/Active‐Shell Approach: A Strategy to Enhance the Upconversion Luminescence in Lanthanide‐Doped Nanoparticles by Vetrone, Fiorenzo, Naccache, Rafik, Mahalingam, Venkataramanan, Morgan, Christopher G., Capobianco, John A.

“…Nanoparticles of NaGdF4 doped with trivalent erbium (Er3+) and ytterbium (Yb3+) are prepared by a modified thermal decomposition synthesis from…”
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Near-Infrared-to-Blue Upconversion in Colloidal BaYF5:Tm3+, Yb3+ Nanocrystals by Vetrone, Fiorenzo, Mahalingam, Venkataramanan, Capobianco, John A

“…Tetragonal barium yttrium fluoride (BaYF5) nanocrystals doped with 0.5 mol % Tm3+ and 15 mol % Yb3+ (BaYF5:Tm3+, Yb3+) were synthesized using the thermal…”
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Microwave Synthesis, Photoluminescence, and Photocatalytic Activity of PVA-Functionalized Eu3+-Doped BiOX (X = Cl, Br, I) Nanoflakes by Dash, Armita, Sarkar, Shyam, Adusumalli, Venkata N. K. B, Mahalingam, Venkataramanan

“…We report a facile microwave-assisted green synthetic route for colloidal poly(vinyl alcohol) (PVA)-coated europium (Eu3+)-doped luminescent heavy metal…”
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Controlled Synthesis and Water Dispersibility of Hexagonal Phase NaGdF4:Ho3+/Yb3+ Nanoparticles by Naccache, Rafik, Vetrone, Fiorenzo, Mahalingam, Venkataramanan, Cuccia, Louis A, Capobianco, John A

“…The luminescence properties of hexagonal sodium gadolinium fluoride nanoparticles co-doped with Ho3+ and Yb3+ (NaGdF4:Ho3+/Yb3+), prepared using a thermal…”
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Ni0.85Se/MoSe2 Interfacial Structure: An Efficient Electrocatalyst for Alkaline Hydrogen Evolution Reaction by Inta, Harish Reddy, Ghosh, Sourav, Mondal, Ayan, Tudu, Gouri, Koppisetti, Heramba V S R M, Mahalingam, Venkataramanan

“…Catalyzing hydrogen evolution reaction in alkali media is challenging owing to the sluggish kinetics, originated from the water dissociation process. In this…”
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Bright White Upconversion Emission from Tm3+/Yb3+/Er3+-Doped Lu3Ga5O12 Nanocrystals by Mahalingam, Venkataramanan, Mangiarini, Francesca, Vetrone, Fiorenzo, Venkatramu, Vemula, Bettinelli, Marco, Speghini, Adolfo, Capobianco, John A

“…We report the synthesis of Tm3+/Yb3+/Er3+-doped Lu3Ga5O12 nanocrystals prepared by a simple sol−gel method exhibiting bright white light following excitation…”
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Ni3Se4 Nanostructure as a Battery‐type Positive Electrode for Hybrid Capacitors by Reddy Inta, Harish, Koppisetti, Heramba V. S. R. M., Ghosh, Sourav, Roy, Avishek, Mahalingam, Venkataramanan

“…Battery‐type supercapacitors have drawn significant attention due to their high charge storage ability resulted from the combined surface and intercalation…”
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Methylene Blue-Loaded Upconverting Hydrogel Nanocomposite: Potential Material for Near-Infrared Light-Triggered Photodynamic Therapy Application by Meesaragandla, Brahmaiah, Sarkar, Debashrita, Mahalingam, Venkataramanan

“…The property of upconverting nanoparticles to convert the low-energy near-infrared (NIR) light into high-energy visible light has made them a potential…”
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Preparation of a portable calorimetry kit and one-step spectrophotometric nanomolar level detection of l-Histidine in serum and urine samples using sebacic acid capped silver nanoparticles by Gokul Eswaran, Surulivel, Ashkar, M.A., Mamat, M.H., Sahila, S., Mahalingam, Venkataramanan, Koppisetti, H.V.S.R.M., Vasimalai, N.

“…This work describes the synthesis of sebacic acid capped silver nanoparticles (SA-AgNPs) by the wet chemical method for the detection of l-Histidine in blood…”
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Sub-5 nm Ln3+-doped BaLuF5 Nanocrystals: A Platform to Realize Upconversion via Interparticle Energy Transfer (IPET) by Sarkar, Shyam, Meesaragandla, Brahmaiah, Hazra, Chanchal, Mahalingam, Venkataramanan

“…The upconversion process is reported to occur via interparticle energy transfer (IPET) achieved with Ln3+‐doped BaLuF5 (Ln = Tm and Yb) nanocrystals in the…”
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Directed Self-Assembly of Functionalized Silica Nanoparticles on Molecular Printboards through Multivalent Supramolecular Interactions by Mahalingam, Venkataramanan, Onclin, Steffen, Péter, Mária, Ravoo, Bart Jan, Huskens, Jurriaan, Reinhoudt, David N

“…Silica nanoparticles functionalized with β-cyclodextrin (CD) host molecules (5) have been prepared by reacting carboxylic active ester-terminated silica…”
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Design of Lanthanide-Doped Colloidal Nanocrystals: Applications as Phosphors, Sensors, and Photocatalysts by Sarkar, Debashrita, Ganguli, Sagar, Samanta, Tuhin, Mahalingam, Venkataramanan

“…The unique optical characteristics of lanthanides (Ln3+) such as high color purity, long excited-state lifetimes, less perturbation of excited states by the…”
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Synthesis of Upconverting Hydrogel Nanocomposites Using Thiol-Ene Click Chemistry: Template for the Formation of Dendrimer-Like Gold Nanoparticle Assemblies by Meesaragandla, Brahmaiah, Mahalingam, Venkataramanan

“…The synthesis of upconverting hydrogel nanocomposites by base‐catalyzed thiol‐ene click reaction between 10‐undecenoic acid capped Yb3+/Er3+‐doped NaYF4…”
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A Highly Efficient UV-Vis-NIR Active Ln(3+)-Doped BiPO4/BiVO4 Nanocomposite for Photocatalysis Application by Ganguli, Sagar, Hazra, Chanchal, Chatti, Manjunath, Samanta, Tuhin, Mahalingam, Venkataramanan

“…In this Article, we report the synthesis of Ln(3+) (Yb(3+), Tm(3+))-doped BiPO4/BiVO4 nanocomposite photocatalyst that shows efficient photocatalytic activity…”
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Colloidal Tm3+/Yb3+-Doped LiYF4 Nanocrystals: Multiple Luminescence Spanning the UV to NIR Regions via Low-Energy Excitation by Mahalingam, Venkataramanan, Vetrone, Fiorenzo, Naccache, Rafik, Speghini, Adolfo, Capobianco, John A.

“…Highly dispersible Tm3+/Yb3+‐doped LiYF4 nanocrystals were synthesized using a thermal decomposition method. Upon excitation with a NIR diode laser (980 nm),…”
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Ligand-Tuned Energetics for the Selective Synthesis of Ni2P and Ni12P5 Possessing Bifunctional Electrocatalytic Activity toward Hydrogen Evolution and Hydrazine Oxidation Reactions by Praveen, Athma E, Ganguli, Sagar, Sarkar, Debashrita, Mahalingam, Venkataramanan

“…The occurrence of many phases and stoichiometries of nickel phosphides calls for the development of synthetic levers to selectively produce phases with purity…”
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Highly Selective and Sensitive Detection of Cu2+ Ions Using Ce(III)/Tb(III)-Doped SrF2 Nanocrystals as Fluorescent Probe by Sarkar, Shyam, Chatti, Manjunath, Adusumalli, Venkata N. K. B, Mahalingam, Venkataramanan

“…We report a green synthetic approach to the synthesis of water dispersible Ce3+/Tb3+-doped SrF2 nanocrystals, carried out using environment friendly microwave…”
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Optical and luminescence properties of Sm2O3 doped SrO–PbO–ZnO–P2O5–TeO2 glasses for visible laser applications by Biswas, Joydeb, Jana, Samar, Ghosh, Sourav, Mahalingam, Venkataramanan

“…The spectroscopic and structural characteristics of various concentrations of Sm2O3 doped strontium lead zinc phospho-tellurite glasses with molar composition…”
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Ligand-Tuned Energetics for the Selective Synthesis of Ni2P andNi(12)P(5)Possessing Bifunctional Electrocatalytic Activity toward Hydrogen Evolution and Hydrazine Oxidation Reactions br by Praveen, Athma E., Ganguli, Sagar, Sarkar, Debashrita, Mahalingam, Venkataramanan

“…The occurrence of many phases and stoichiometries of nickel phosphides calls for the development of synthetic levers to selectively produce phases with purity…”
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Inception of Co3O4 as Microstructural Support to Promote Alkaline Oxygen Evolution Reaction for Co0.85Se/Co9Se8 Network by Ghosh, Sourav, Tudu, Gouri, Mondal, Ayan, Ganguli, Sagar, Inta, Harish Reddy, Mahalingam, Venkataramanan

“…Developing electrocatalysts with abundant active sites is a substantial challenge to reduce the overpotential requirement for the alkaline oxygen evolution…”
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