IISER Kolkata | Home

ভারতীয় বিজ্ঞান শিক্ষা এবং গবেষণা প্রতিষ্ঠান কলকাতা

भारतीय विज्ञान शिक्षा एवं अनुसंधान संस्थान कोलकाता

INDIAN INSTITUTE OF SCIENCE EDUCATION AND RESEARCH KOLKATA

A- A A+

Venkataramanan Mahalingam

Venkataramanan Mahalingam

Department: Chemical Sciences (DCS)

Email: mvenkat [at] iiserkol.ac.in

Personal Website: Click Here

Research Interests

Synthesis, Characterization and application of lanthanide-doped nanocrsytals

Academic Background

Ph.D. (Chemistry), IIT-Madras, 2001

Positions

Associate Professor, IISER Kolkata ( - )
Assistant Professor, IISER-Kolkata (2009 - 2013)

Awards and Honors

Awards and Honors

Selected Publications

Selected Publications:

Sarkar, Shyam; Hazra, Chanchal and Mahalingam, Venkataramanan. 2013."Scaling the Size of BaLnF5 Nanocrystals (Ln = La, Gd, and Lu) with the Ln3+ Size." Dalton Trans., 42, 63

Sarkar, Shyam; Meesaragandla, Brahmaiah; Hazra, Chanchal and Mahalingam, Venkataramanan. 2013."Sub 5 nm Ln3+-doped BaLuF5 Nanocrystals: A Platform to Realize Upconversion via Interparticle Energy Transfer (IPET)." Adv. Mater., 25, 856-860

Hazra, Chanchal; Sarkar, Shyam and Mahalingam, Venkataramanan. 2012."Selective Reduction of Visible Upconversion Emissions Induced by Bi3+ in Tm3+/Yb3+-doped Y0.89-xBixVO4 Microcrystals." RSC Advances, 2, 6926-6931

Sarkar, Shyam; Hazra, Chanchal and Mahalingam, Venkataramanan. 2012."Bright Luminescence from Colloidal Ln3+-doped Ca0.72Y0.28F2.28 (Ln = Eu & Tm/Yb) Nanocrystals via both High and Low Energy Radiations." Chem. Eu. J., 18, 7050-7054

Battacharyya, Debadrita; Hazra, Chanchal; Gangwar, Pooja; Sivakumar, Sri and Mahalingam, Venkataramanan. 2012."Microstructural, Optical and Cytotoxicity studies of Eu3+-doped Y2O3 nanoparticles Prepared by simple Control of the chain length of cross-linkers via Pechini Method." Sci. Adv. Mater., 4, 656-

All Publications:

Adusumalli, Venkata N. K. B.; Koppisetti, Heramba V. S. R. M. and Mahalingam, Venkataramanan. 2016."Ce3+ sensitized bright white light emission from colloidal Ln3+ doped CaF2 nanocrystals for developing transparent nanocomposites." J. Mater. Chem. C,, 4, 2289

Ganguli, Sagar; Hazra, Chanchal; Chatti, Manjunath; Samanta, Tuhin and Mahalingam, Venkataramanan. 2016."A Highly Efficient UV?Vis?NIR Active Ln3+-Doped BiPO4/BiVO4 Nanocomposite for Photocatalysis Application." Langmuir, 32, 247

Chatti, Manjunath; Sarkar, Shyam and Mahalingam, Venkataramanan. 2016."Glutathione-modified ultrasmall Ce3+and Tb3+-doped SrF2 nanocrystals for fluorescent determination of Hg(II) and Pb(II) ions." Microchimica Acta, 183, 133

Meesaragandla, Brahmaiah; Sarkar, Debashrita; Adusumalli, Venkata N. K. B. and Mahalingam, Venkataramanan. 2016."Double bond terminated Ln3+-doped LiYF4 Q2 nanocrystals with strong single band NIR emission: simple click chemistry route to make water dispersible nanocrystals with various functional groups." New J Chemistry, NA, NA

Samanta, Tuhin; Hazra, Chanchal; Praveen, Athma E; Ganguli, Sagar and Mahalingam, Venkataramanan. 2016."Synthesis of Hexagonal Phase Eu3+-doped GdF3 Nanocrystals Above Room Temperature by controlling the viscosity of the solvents." Eur. J. Inorg. Chem. 2016,, NA, 802

Samanta, Tuhin; Sarkar, Shyam; Adusumalli, Venkata N. K. B.; Praveen, Athma E and Mahalingam, Venkataramanan. 2016."Enhanced visible and near infrared emissions via Ce3+ to Ln3+ energy transfer in Ln3+-doped CeF3 nanocrystals (Ln=Nd and Sm)." Dalton Trans., 45, 78

Samanta, Tuhin; Hazra, Chanchal and Mahalingam, Venkataramanan. 2015."C-dots Sensitized Eu3+ Luminescence from Eu3+-Doped LaF3/C dots Nanocomposites." New J Chemistry, 39, 106-109

Meesaragandla, Brahmaiah; Adusumalli, Venkata N K B and Mahalingam, Venkataramanan. 2015."Methyl Methyl Oleate-Capped Upconverting Nanocrystals: A Simple and General Ligand Exchange Strategy To Render Nanocrystals Dispersible in Aqueous and Organic Medium." Langmuir, 0, 00

Adusumalli, Venkata N K B; Sarkar, Shyam and Mahalingam, Venkataramanan. 2015."Strong single band blue emission from colloidal Ce3+/Tm3+-doped NaYF4 nanocrystals for light emitting applications." ChemPhysChem, NA, NA

Sarkar, Shyam; Chatti, Manjunath; Adusumalli, Venkata N. K. B. and Mahalingam, Venkataramanan. 2015."Highly Selective and Sensitive Detection of Cu2+ Ions Using Ce(III)/ Tb(III)-Doped SrF2 Nanocrystals as Fluorescent Probe." ACS Appl. Mater. & Interfaces , 7, 25702

Meesaragandla, Brahmaiah and Mahalingam, Venkataramanan. 2015."Synthesis of Upconverting Hydrogel Nanocomposites using Thiol-Ene Click Chemistry: Template for the Formation of Dendrimer like Gold Nanoparticle Assemblies." Chem. Eu J., 21, 16811

Sarkar, Shyam; Adusumalli, Venkata N. K. B.; Capobianco, John A and Mahalingam, Venkataramanan. 2015."Intense NIR emissions at 0.8 lm, 1.47 lm, and 1.53 lm from colloidal LiYbF4:Ln3+ (Ln = Tm3+ and Er3+) nanocrystals." PhysChemChemPhys. , 17, 17577

Ganguli, Sagar; Hazra, Chanchal; Samanta, Tuhin and Mahalingam, Venkataramanan. 2015."Photoluminescence and photocatalytic activity of monodispersed colloidal “ligand free Ln3+-doped PbMoO4 nanocrystals." RSC Advances, 5, 45611

Hazra, Chanchal; Samanta, Tuhin; Asaithambi, Aswin Vijai and Mahalingam, Venkataramanan. 2014."Bilayer Stabilized Ln3+-doped CaMoO4 Nanocrystals with High Luminescence Quantum Efficiency and Photocatalytic Properties." Dalton Trans., 43, 6623

Sarkar, Shyam; Chatti, Manjunath and Mahalingam, Venkataramanan. 2014."Highly Luminescent Colloidal Eu3+-Doped KZnF3 Nanoparticles for the Selective and Sensitive Detection of CuII Ions." Chem. Eu. J., NA, NA

Dash, Armita; Sarkar, Shyam; Adusumalli, Venkata N K B and Mahalingam, Venkataramanan. 2014."3.Microwave synthesis, photoluminescence and photocatalytic activity of PVA functionalized Eu3+-doped BiOX (X = Cl, Br, I) nanoflakes." Langmuir, 30, 1401

Sarkar, Shyam; Dash, Armita and Mahalingam, Venkataramanan. 2014."Strong Stokes and Upconversion Luminescence from Ultrasmall Ln3+-Doped BiF3 (Ln=Eu3+, Yb3+/Er3+) Nanoparticles Confined in a Polymer Matrix." Chem. Asian J., 9, 447

Hazra, Chancha; Adusumalli, Venkata N K B and Mahalingam, Venkataramanan. 2014."3,5-dinitrobenzoic acid Capped Upconverting Nanocrystals for the Selective Detection of Melamine." ACS Appl. Mater. & Interfaces , 6, 7833-7839

Hazra, Chanchal; Samanta, Tuhin and Mahalingam, Venkataramanan. 2014."4.A Resonance Energy Trasfer Approach to the Selective Detection of Aromatic Amino Acids." J. Mater. Chem. C. , 2, 10157

Meesaragandla, Brahmaiah; Sarkar, Shyam; Hazra, Chanchal and Mahalingam, Venkataramanan. 2013."Ricinolic acid-capped upconverting nanocrystals: An ideal capping ligand to render nanocrystals water dispersible." ChemPlusChem, 78, 1338

Hazra, Chanchal; Sarkar, Shyam; Meesaragandla, Brahmaiah and Mahalingam, Venkataramanan. 2013."Eu3+ ions as an optical probe to follow the growth of colloidal ZnO nanostructures." Dalton Trans., 42, 11981

Sarkar, Shyam and Mahalingam, Venkataramanan. 2013."Tuning the Crystalline Phase and Morphology of the YF3:Eu3+ Microcrystals through Fluoride Source." CrysEngComm, 15, 5750

Hazra, Chanchal and Mahalingam, Venkataramanan. 2013."Water dispersible Eu3+-doped NaGd(SO4)2.H2O nanorods for selective Fe3+ sensing applications." RSC Advances, 3, 9197

Sarkar, Shyam; Hazra, Chanchal and Mahalingam, Venkataramanan. 2013."Scaling the Size of BaLnF5 Nanocrystals (Ln = La, Gd, and Lu) with the Ln3+ Size." Dalton Trans., 42, 63

Sarkar, Shyam; Meesaragandla, Brahmaiah; Hazra, Chanchal and Mahalingam, Venkataramanan. 2013."Sub 5 nm Ln3+-doped BaLuF5 Nanocrystals: A Platform to Realize Upconversion via Interparticle Energy Transfer (IPET)." Adv. Mater., 25, 856-860

Mahalingam, Venkataramanan; Hazra, Chanchal; Naccache, Rafik; Vetrone, Fiorenzo and Capobianco, John A. 2013."Enhancing the color purity of the green upconversion emission from Er3+/Yb3+ -doped GdVO4 nanocrystals by tuning Yb3+ concentration." J. Mater. Chem., 1, 6536

Sakar, Shyam; Hazra, Chanchal; Chatti, Manjunath; Sudarsan, Vasanthakumaran and Mahalingam, Venkataramanan. 2012."Enhanced quantum efficiency for Dy3+ Emissions in water dispersible PbF2 nanocrystals." RSC Advances, 2, 8269-8272

Hazra, Chanchal; Sarkar, Shyam and Mahalingam, Venkataramanan. 2012."Selective Reduction of Visible Upconversion Emissions Induced by Bi3+ in Tm3+/Yb3+-doped Y0.89-xBixVO4 Microcrystals." RSC Advances, 2, 6926-6931

Maity, Sibaprasad; Sarkar, Shyam; Jana, Poulami; Maity, Suman Kumar; Bera, Santu; Mahalingam, Venkataramanan and Haldar, Debasish. 2012."Sonication-responsive organogelation of a tripodal peptide and optical properties of embedded Tm3+ nanoclusters." Soft Matter, 8, 7960-7966

Sarkar, Shyam; Hazra, Chanchal and Mahalingam, Venkataramanan. 2012."Bright Luminescence from Colloidal Ln3+-doped Ca0.72Y0.28F2.28 (Ln = Eu & Tm/Yb) Nanocrystals via both High and Low Energy Radiations." Chem. Eu. J., 18, 7050-7054

Battacharyya, Debadrita; Hazra, Chanchal; Gangwar, Pooja; Sivakumar, Sri and Mahalingam, Venkataramanan. 2012."Microstructural, Optical and Cytotoxicity studies of Eu3+-doped Y2O3 nanoparticles Prepared by simple Control of the chain length of cross-linkers via Pechini Method." Sci. Adv. Mater., 4, 656-

Mahalingam, Venkataramanan; Vetrone, Fiorenzo; Naccache, Rafik and Capobianco, John A. 2012."Enhancing upconverted white light in Tm3+/Yb3+/Ho3+-doped GdVO4 nanocrystals via incorporation of Li+ ions." Opt. Mater., 20, 111-119

Mahalingam, Venkataramanan; Vetrone, Fiorenzo; Naccache, Rafik and Capobianco, John A. 2011."Preferential suppression of high-energy upconverted emissions of Tm3+ by Dy3+ ions in Tm3+Dy3+/Yb3+-doped LiYF4 colloidal nanocrystals." Chem. Commun., 47, 3481-3483