V. Krishnakumar

发表

Electrical and optical properties of pure and Pb2+ ion doped PVA − PEG polymer composite electrolyte films

V. Krishnakumar, G. Shanmugam, 2012, Ionics.

Parametrical optical effects in the 1:1 complex of resorcinol and urea—a non linear optical crystal

I. Kityk, V. Krishnakumar, M. Piasecki, 2010 .

Desired form of polymorphism of 6-chloro-2,4-dinitroaniline crystals grown by controlled growth temperature in melt growth

V. Krishnakumar, Rajaboopathi Mani (Marie Curie Postdoctoral Researcher), 2013, Journal of Thermal Analysis and Calorimetry.

Effects of anhydrous AlCl3 dopant on the structural, optical and electrical properties of PVA–PVP polymer composite films

V. Krishnakumar, G. Shanmugam, 2018 .

Polarised infrared and Raman studies of YCa4O(BO3)3 a non-linear optical single crystal.

V. Krishnakumar, R. Nagalakshmi, 2004, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Fourier‐transform infrared and Raman spectra, vibrational assignment and density functional theory calculations of 1,4,5‐triazanaphthalene

V. Krishnakumar, R. Ramasamy, 2009 .

Hydroxyethylammonium maleate (HEAM) single crystal for optical limiting applications

V. Krishnakumar, S. Venugopal Rao, S. Hamad, 2015 .

3-nitroaniline and 3-nitrophenol - A novel non linear optical material

I. Kityk, V. Krishnakumar, M. Piasecki, 2009 .

Synthesis, structure and spectral investigation of hydrogen bonded helical chain in mixed ligand Cu(II) pyrimidone complex.

P. S. Subramanian, V. Krishnakumar, P. Selvakumar, 2008, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Enhancement of photocatalytic degradation of methylene blue under visible light using transparent Mg-doped CdS–PVA nanocomposite films

V. Krishnakumar, R. Ranjith, J. Jayaprakash, 2017, Journal of Materials Science: Materials in Electronics.

Nonlinear optical analyses of organic N-(9-Anthrylmethylidene) methylamine Schiff base.

V. Krishnakumar, S. Kalyanaraman, S. Vijayalakshmi, 2013, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

The effect of nitric acid (HNO3) on growth, spectral, thermal and dielectric properties of triglycine sulphate (TGS) crystal.

C. Sekar, V. Krishnakumar, R. Parimaladevi, 2010, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Photoconductivity, dielectric, thermal and mechanical studies on nonlinear optical phasematchable single crystal: 2-amino-4-methylpyridinium 4-nitrobenzoate

V. Krishnakumar, J. Jayaprakash, S. Boobas, 2016, Journal of Materials Science: Materials in Electronics.

Investigation of intermolecular hydrogen bonding in 2,3,4,5,6 pentafluorobenzoic acid through molecular structure and vibrational analysis – A DFT approach

V. Krishnakumar, S. Kalyanaraman, S. Vijayalakshmi, 2015 .

Effect of Cu doping on TiO2 nanoparticles and its photocatalytic activity under visible light

M. Louhi-Kultanen, V. Krishnakumar, B. Han, 2016, Journal of Materials Science: Materials in Electronics.

Crystal growth, structural and spectroscopic analysis of hypoxanthinium chloride monohydrate.

V. Krishnakumar, S. Kalyanaraman, K. Ganesan, 2007, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Influence of Mg dopant on the third-order nonlinear optical properties of CdS-PVP nanocomposite films

V. Krishnakumar, G. Shanmugam, 2015 .

Probes on L-lysine monohydrochloride dihydrate: a semiorganic nonlinear optical crystal.

V. Krishnakumar, L. Kocsis, R. Nagalakshmi, 2008, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

THz emission from organic cocrystalline salt: 2, 6-diaminopyridinium-4-nitrophenolate-4-nitrophenol.

Takayoshi Kobayashi, V. Krishnakumar, C. Luo, 2016, Optics express.

Structure and vibrational analysis of 1‐hydroxy naphthalene based on density functional theory calculations

V. Krishnakumar, R. Mathammal, 2009 .

Field-induced non-linear optical features of p-aminoazobenzene crystals

I. Kityk, V. Krishnakumar, M. Piasecki, 2008 .

Photoinduced second harmonic generation studies on Tris(thiourea)copper(I) perchlorate Cu(SC(NH2)2)3(ClO4)

V. Krishnakumar, M. Piasecki, I. Kityk, 2008 .

Analysis of structure and vibrational spectra of 2,5‐dihydroxybenzoicacid based on density functional theory calculations

V. Krishnakumar, N. Surumbarkuzhali, 2009 .

Growth and characterization of semi-organic nonlinear optical crystal: sodium 2,4-dinitrophenolate monohydrate.

V. Krishnakumar, R. Nagalakshmi, L. Guru Prasad, 2013, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Linear and nonlinear optical properties of 2,5-DCAP crystal-A combined experimental and theoretical study

V. Krishnakumar, R. Nagalakshmi, N. Sudharsana, 2012, 2012 International Conference on Fiber Optics and Photonics (PHOTONICS).

Growth and nonlinear optical studies of N-acetyl-L-cysteine crystal

V. Krishnakumar, L. Prasad, R. Nagalakshmi, 2012 .

Physicochemical properties of highly efficient organic NLO crystal: 4-Aminobenzamide

V. Krishnakumar, L. Prasad, R. Nagalakshmi, 2011 .

Structural, thermal and optical studies on 2‐naphthol crystals

V. Krishnakumar, G. Shanmugam, R. Nagalakshmi, 2010 .

Polarized Raman and Hyperpolarizability studies of Hydroxyethylammonium (L) tartrate monohydrate for quadratic nonlinear optics

H. Hagemann, V. Krishnakumar, R. Nagalakshmi, 2010 .

Investigations on the physicochemical properties of 2,4-dinitrophenol: Efficient organic nonlinear optical crystal for frequency doubling

V. Krishnakumar, L. Prasad, R. Nagalakshmi, 2010 .

Investigation on 3-aminophenol: a nonlinear optical crystal for frequency doubling

V. Krishnakumar, L. Prasad, R. Nagalakshmi, 2009 .

Studies on the first-order hyperpolarizability and terahertz generation in 3-nitroaniline

V. Krishnakumar, R. Nagalakshmi, 2008 .

Infrared and polarized Raman spectra of dixanthinium tetrachlorozincate single crystal

H. Hagemann, V. Krishnakumar, S. Kalyanaraman, 2007 .

Spectroscopic, electronic structure and natural bond analysis of 2-aminopyrimidine and 4-aminopyrazolo[3,4-d]pyrimidine: a comparative study.

V. Krishnakumar, N. Prabavathi, L. Akilandeswari, 2012, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Quantum mechanical study of the structure and spectroscopic (FT-IR, FT-Raman, 13C, 1H and UV), NBO and HOMO-LUMO analysis of 2-quinoxaline carboxylic acid.

V. Krishnakumar, N. Prabavathi, A. Nilufer, 2012, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Vibrational spectroscopic analysis of cytosine monohydrate and its copper(II) complex.

V. Krishnakumar, S. Kalyanaraman, K. Ganesan, 2007, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Experimental and theoretical investigations of non-centrosymmetric 8-hydroxyquinolinium dibenzoyl-(L)-tartrate methanol monohydrate single crystal

V. Krishnakumar, R. Nagalakshmi, N. Sudharsana, 2015 .

Synthesis, experimental and theoretical Studies of 8-hydroxyquinolinium 3,5-dinitrobenzoate single crystal

V. Krishnakumar, R. Nagalakshmi, N. Sudharsana, 2014 .

Spectroscopic (FT-IR, FT-Raman, UV and NMR) investigation, conformational stability, NLO properties, HOMO-LUMO and NBO analysis of hydroxyquinoline derivatives by density functional theory calculations.

V. Krishnakumar, N. Prabavathi, A. Nilufer, 2013, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Analysis of vibrational spectra of 1-chloro-2,4-dinitrobenzene based on density functional theory calculations.

V. Krishnakumar, N. Prabavathi, 2009, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Growth and vibrational spectroscopic studies of strontium tartrate (C4H4O6Sr): a nonlinear optical single crystal

V. Krishnakumar, S. Dheivamalar, 2009 .

Growth and characterization of hydroxyethylammonium picrate single crystals for third-order nonlinear optical applications

V. Krishnakumar, L. Prasad, R. Nagalakshmi, 2012 .

Crystal growth and structure determination of the novel tetragonal compound Ce 2 RhGa 12

H. Hagemann, V. Krishnakumar, S. Dhar, 2011 .

DFT simulations and vibrational analysis of FTIR and FT-Raman spectra of 2-amino-4,6-dihydroxypyrimidine

V. Krishnakumar, N. Prabavathi, 2008 .

Molecular structure, vibrational, UV, NMR, hyperpolarizability, NBO and HOMO-LUMO analysis of Pteridine2,4-dione.

V. Krishnakumar, N. Prabavathi, A. Nilufer, 2012, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

FT-IR, FT-Raman and DFT quantum chemical study on the molecular conformation, vibrational and electronic transitions of 1-(m-(trifluoromethyl)phenyl)piperazine.

V. Krishnakumar, N. Prabavathi, A. Nilufer, 2014, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

ELASTOOPTICAL SPECTRA OF NOVEL L-LYSINE MONOHYDROCHLORIDE DEHYDRATE SINGLE CRYSTALS

I. Kityk, V. Krishnakumar, M. Piasecki, 2010 .

l-lysine monohydrochloride dihydrate as novel elasto- and electrooptical materials

I. Kityk, V. Krishnakumar, K. Ożga, 2008 .

Studies on physico-chemical properties of hydroxyethylammonium (l) tartrate monohydrate single crystals

V. Krishnakumar, A. Wojciechowski, M. Piasecki, 2011 .

Synthesis, growth, optical and anisotropic mechanical behaviour of organic nonlinear optical imidazolium 2-chloro-4-nitrobenzoate single crystals

V. Krishnakumar, J. Jayaprakash, S. Boobas, 2016 .

Optical and Mechanical Properties of MgCl 2 Added Triglycine Sulphate Single Crystals

V. Krishnakumar, R. Nagalakshmi, Rajaboopathi Mani (Marie Curie Postdoctoral Researcher), 2012 .

Zinc potassium phosphate hexahydrate crystals for nonlinear optics

I. Kityk, V. Krishnakumar, M. Piasecki, 2009 .

FTIR, FT Raman and thermal studies of bisthiourea manganese chloride--an organo metallic crystal.

V. Krishnakumar, R. Sundararajan, C. Ramachandraraja, 2009, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Low temperature FTIR, Raman, NMR spectroscopic and theoretical study of hydroxyethylammonium picrate

V. Krishnakumar, T. Row, R. Fausto, 2016 .

Oxygen and gold ion irradiation effects on hydroxyethylammonium (l) tartrate monohydrate single crystals

K. Asokan, V. Krishnakumar, R. Nagalakshmi, 2013 .

Growth and characterization of anilinium hydrogen sulfate (AHS) single crystals: an organic nonlinear optical material.

V. Krishnakumar, R. Nagalakshmi, N. Sudharsana, 2012, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Study of the damage produced in K[CS(NH2)2]4Br – A non-linear optical single crystal by swift heavy ion irradiation

V. Krishnakumar, P. Kulriya, D. Avasthi, 2007 .

Spectroscopic and physicochemical studies on organic crystal of brucine hydrogen maleate pentahydrate.

M. Jothi, V. Krishnakumar, L. Prasad, 2010, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

An Efficient Photocatalytic and Antibacterial Performance of Ni/Ce-Codoped CdS Nanostructure under Visible Light Irradiation

V. Krishnakumar, R. Ranjith, J. Jayaprakash, 2018, ChemistrySelect.

MgCl2 added triglycine sulphate crystals

V. Krishnakumar, R. Nagalakshmi, Rajaboopathi Mani (Marie Curie Postdoctoral Researcher), 2011 .

Physicochemical properties of organic nonlinear optical crystal for frequency doubling: Glycine acetamide

V. Krishnakumar, L. Prasad, R. Nagalakshmi, 2009 .

Growth and spectroscopic analysis of semi-organic bisthiourea sodium fluoride crystal

V. Krishnakumar, L. Prasad, 2009 .

Crystal structure, vibrational, and optical investigations of semiorganic nonlinear optical crystal: Bi3[CS(NH2)2]9Cl9· 2H2O

V. Krishnakumar, L. Prasad, S. Saleem, 2009 .

Studies on crystal growth, vibrational and optical properties of organic nonlinear optical crystal: p-aminoazobenzene.

V. Krishnakumar, R. Nagalakshmi, G. Eazhilarasi, 2008, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

FTIR, FT-Raman, scaled quantum chemical studies of the structure and vibrational spectra of 1,5-dinitronaphthalene.

V. Krishnakumar, V. Balachandran, G. Ilango, 2009, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Growth, spectral studies, thermal and dielectric aspects of L-lysine doped triglycine sulpho phosphate (TGSP) crystals.

C. Sekar, V. Krishnakumar, R. Parimaladevi, 2009, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Density functional theory calculations and vibrational spectra of 2‐bromo‐4‐chloro phenol and 2‐chloro‐4‐nitro phenol

V. Krishnakumar, R. Mathammal, N. Jayamani, 2009 .

Density functional theory calculations and vibrational spectra ofp-bromonitrobenzene

V. Krishnakumar, R. Mathammal, N. Jayamani, 2009 .

Semiorganic nonlinear optical L-lysine sulphate growth and characterization.

V. Krishnakumar, R. Nagalakshmi, S. Manohar, 2010, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Magnetic properties of the tetragonal RCuGa3 (R=Pr, Nd and Gd) single crystals

H. Hagemann, V. Krishnakumar, R. Nagalakshmi, 2015 .

Intermolecular hydrogen bonding, structural and vibrational assignments of 2, 3, 4, 5-tetrafluorobenzoic acid using density functional theory

V. Krishnakumar, S. Kalyanaraman, S. Vijayalakshmi, 2017 .

Crystallization Kinetics Study in Orthogonal Liquid Crystalline Phases Formed by Schiff's Base nO.m Compounds by Calorimetric and Dielectric Techniques – Part 2

V. Krishnakumar, M. L. N. Madhu Mohan, T. Chitravel, 2009 .

Crystallization kinetics study on tilted ordering in N-(p-n-alkyoxybenzylidene)-p-n-alkylanilines (nO.m compounds) by thermal and electrical techniques. Part I

V. Krishnakumar, M. L. N. Madhu Mohan, T. Chitravel, 2009 .

Crystallization Kinetics Study on Tilted Ordering in N-(p-n-Alkoxybenzylidene)-p-n-Alkylanilines (nO·m Compounds) by Thermal and Electrical Techniques Part II

V. Krishnakumar, M. L. N. Madhu Mohan, T. Chitravel, 2008 .

Enhanced third-order optical nonlinearity in Ce3+ ion-doped zinc sulfide–polyvinyl alcohol freestanding nanocomposite films

V. Krishnakumar, G. Shanmugam, V. Sasikala, 2016, Journal of Materials Science.

Analysis of vibrational spectra of 2‐fluoro‐6‐nitrotoluene based on density functional theory calculations

V. Krishnakumar, S. Dheivamalar, 2009 .

Density functional theory calculations and vibrational spectra of 3,5 dichloro hydroxy benzaldehyde and 2,4 dichloro benzaldehyde

V. Krishnakumar, R. Mathammal, 2008 .

Large third-order optical nonlinearity of Mg-doped PbS/PVA freestanding nanocomposite films

V. Krishnakumar, G. Shanmugam, R. Nagalakshmi, 2012 .

Experimental and theoretical studies of 2,5-dichloroanilinium picrate.

V. Krishnakumar, R. Nagalakshmi, N. Sudharsana, 2014, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Structural, Optical and Dielectric Properties of PbS-PVA-PEG Nanocomposite Film

V. Krishnakumar, G. Shanmugam, 2012 .

Studies on vibrational, dielectric, mechanical and thermal properties of organic nonlinear optical co-crystal: 2,6-diaminopyridinium–4-nitrophenolate–4-nitrophenol

V. Krishnakumar, R. Nagalakshmi, Rajaboopathi Mani (Marie Curie Postdoctoral Researcher), 2012 .

Experimental and theoretical studies on the structural, spectroscopic and hydrogen bonding on 4-nitro-n-(2,4-dinitrophenyl) benzenamine

V. Krishnakumar, V. Ragavendran, S. Kalyanaraman, 2018 .

Structural, intramolecular hydrogen bonding and vibrational studies on 3-amino-4-methoxy benzamide using density functional theory

V. Krishnakumar, S. Kalyanaraman, N. Surumbarkuzhali, 2017, Journal of Chemical Sciences.

Bis (3-methoxy-4-hydroxybenzaldehyde-2,4,6-trinitrophenol) organic cocrystal: Synthesis and physico-chemical properties

V. Krishnakumar, R. Nagalakshmi, N. Sudharsana, 2016 .

Vibrational spectroscopic (FT-IR and FT-Raman) studies, natural bond orbital analysis and molecular electrostatic potential surface of Isoxanthopterin.

V. Krishnakumar, N. Prabavathi, A. Nilufer, 2013, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

A joint FTIR, FT‐Raman and scaled quantum mechanical study of 1,3‐dibromo‐2,4,5,6‐tetra‐fluoro benzene (DTB) and 1,2,3,4,5‐pentafluoro benzene (PB)

V. Krishnakumar, R. Mathammal, 2009 .

Growth, spectral studies, thermal and dielectric aspects of L-lysine doped triglycine sulpho phosphate (TGSP) crystals.

V. Krishnakumar, R. Parimaladevi, Chinnathambi Sekar, 2009, Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy.

Synthesis and optical characterization of cerium doped MgWO4 phosphor

V. Krishnakumar, J. Jayaprakash, 2020, Materials Today: Proceedings.