• DST INSPIRE faculty award - 2011
• MANA (Materials Nanoarchitectonics) research fellowship – Jun. 2010 to Mar. 2012
• DOE (Department of Energy) postdoctoral fellowship – Oct. 2006 to May 2010
• DAAD fellowship in the framework of VIGONI program – 2005
• DFG (German Research Council) doctoral fellowship – Jul. 2002 to Jun. 2005
• Proficiency award for securing first rank in M.Sc. – 2002
• Best outgoing student award – 2002
• Chemistry convention award – 2001
• Best project award for undergraduate project – 2000
• Excellence in character and conduct award – 1995

Publications in refereed journals

• J. Koo, J. Park, A. Tronin, R. Zhang, V. Krishnan, J. Strzalka, I. Kuzmenko, H. C. Fry, M. J. Therien, J. K. Blasie
  Acentric 2-D ensembles of D-br-A electron transfer chromophores via vectorial orientation within amphiphilic n-helix bundle peptides for photovoltaic device applications Langmuir, 28, 6, 3227-3238, 2012.
  (http://pubs.acs.org/doi/abs/10.1021/la205002f)
• V. Krishnan, K. Sakakibara, T. Mori, J. P. Hill, K. Ariga
  Manipulation of thin film assemblies: Recent progress and novel concepts Curr. Opin. Colloid Interface Sci., 16, 6, 459-469, 2011.
  (http://www.sciencedirect.com/science/article/pii/S1359029411001130)
• H. Bertagnolli, V. Krishnan, T. E. Youssef,M.Hanack
  Structural investigations of hexadecafluoro(phthalocyaninato)ruthenium(II) F16PcRu with EXAFS spectroscopy J. Porphyrins Phthalocyanines, 15, 7-8, 598-601, 2011.
  (http://www.worldscinet.com/jpp/15/1507n08/S1088424611003513.html)
• M. Li, S. Ishihara, M. Akada, M. Liao, L. Sang, J. P. Hill, V. Krishnan, Y. Ma, K. Ariga
  Electrochemical coupling layer-by-layer (ECC-LbL) assembly J. Am. Chem. Soc., 133, 19, 7348-7351, 2011.
  (http://pubs.acs.org/doi/abs/10.1021/ja202768k)
• V. Krishnan, A. Tronin, J. Strzalka, H. C. Fry, M. J. Therien, J. K. Blasie
  Control of the orientational order and non-linear optical response of the “push-pull” chromophore RuPZn via specific incorporation into densely-packed monolayer ensembles of an amphiphilic 4-helix bundle peptide: Characterization of the peptide-chromophore complexes J. Am. Chem. Soc., 132, 32, 11083-11092, 2010.
  (http://pubs.acs.org/doi/abs/10.1021/ja1010702)
• G. Gonella, H. –L. Dai, H. C. Fry, M. J. Therien, V. Krishnan, A. Tronin, J. K. Blasie
  Control of the orientational order and non-linear optical response of the “push-pull” chromophore RuPZn via specific incorporation into densely-packed monolayer ensembles of an amphiphilic 4-helix bundle peptide: Second harmonic generation at high chromophore densities J. Am. Chem. Soc., 132, 28, 9693-9700, 2010.
  (http://pubs.acs.org/doi/abs/10.1021/ja1010724)
• V. Krishnan, J. Strzalka, J. Liu, C. Liu, I. Kuzmenko, T. Gog, J. K. Blasie
  Interferometric enhancement of x-ray reflectivity from unperturbed Langmuir monolayers of amphiphiles at the liquid-gas interface Phys. Rev. E, 81, 2, 021604-1-10, 2010.
  (http://pre.aps.org/abstract/PRE/v81/i2/e021604)
• A. Tronin, J. Strzalka, V. Krishnan, I. Kuzmenko, H. C. Fry, M. Therien, J. K. Blasie
  Portable UV-vis spectrometer for measuring absorbance and dichroism of Langmuir monolayers at air-water interfaces Rev. Sci. Instrum., 80, 3, 033102-1-7, 2009.
  (http://link.aip.org/link/doi/10.1063/1.3089807)
• V. Krishnan, S. Heislbetz, H. Bertagnolli
  Structural investigations on nanocomposite mixed metal oxide powders used in surface catalysis Z. Phys. Chem., 222, 7, 1023-1038, 2008.
  (http://www.oldenbourg-link.com/doi/abs/10.1524/zpch.2008.5325)
• V. Krishnan, D. Camozzo, S. Gross, L. Armelao, H. Bertagnolli, E. Tondello
  Mechanistic studies on the nucleation of zinc sulphide nanoparticles by means of XAFS spectroscopy Z. Phys. Chem., 222, 4, 655-659, 2008.
  (http://www.oldenbourg-link.com/doi/abs/10.1524/zpch.2008.5313)
• R. K. Selvan, V. Krishnan, C. O. Augustin, H. Bertagnolli, C. S. Kim, A. Gedanken
  Investigations on the structural, morphological, electrical and magnetic properties of CuFe2O4 - NiO nanocomposites Chem. Mater., 20, 2, 429-439, 2008.
  (http://pubs.acs.org/doi/abs/10.1021/cm701937q )
• V. Krishnan, R. K. Selvan, C. O. Augustin, A. Gedanken, H. Bertagnolli
  EXAFS and XANES investigations of CuFe2O4 nanoparticles and CuFe2O4 - MO2 (M = Sn, Ce) nanocomposites J. Phys. Chem. C, 111 ,45, 16724-16733, 2007.
  (http://pubs.acs.org/doi/abs/10.1021/jp073746t)
• V. Krishnan, S. Gross, S. Mueller, L. Armelao, E. Tondello, H. Bertagnolli
  Structural investigations on the hydrolysis and condensation behavior of pure and chemically modified alkoxides. 1. Transition metal (Hf and Ta) alkoxides J. Phys. Chem. B, 111, 26,7501-7518, 2007.
  (http://pubs.acs.org/doi/abs/10.1021/jp070566a)
• V. Krishnan, S. Gross, S. Mueller, L. Armelao, E. Tondello, H. Bertagnolli
  Structural investigations on the hydrolysis and condensation behavior of pure and chemically modified alkoxides. 2. Germanium alkoxides J. Phys. Chem. B, 111, 26, 7519-7528, 2007.
  (http://pubs.acs.org/doi/abs/10.1021/jp0705424)
• L. Armelao, H. Bertagnolli, D. Bleiner, M. Groenewolt, S. Gross, V. Krishnan, C. Sada, U. Schubert, E. Tondello, A. Zattin
  Highly dispersed mixed zirconia and hafnia nanoparticles in a silica matrix: First example of a ZrO2-HfO2-SiO2 ternary oxide system Adv. Funct. Mater., 17, 10, 1671-1681, 2007.
  (http://onlinelibrary.wiley.com/doi/10.1002/adfm.200600458/abstract
• A. Galenda, M. M. Natile, V. Krishnan, H. Bertagnolli, A. Glisenti
  LaSrCoFeO and Fe2O3/LaSrCoFeO powders: Synthesis and Characterization Chem. Mater., 19, 11, 2796-2808, 2007.
  (http://pubs.acs.org/doi/abs/10.1021/cm062742i)
• V. Krishnan, H. Bertagnolli
  Structural studies on ruthenium(II) complexes used in interphase catalysis for the hydrogenation of ketones Appl. Organomet. Chem., 21, 3, 161-171, 2007.
  (http://onlinelibrary.wiley.com/doi/10.1002/aoc.1195/abstract
• R. Prabhakaran, V. Krishnan, A. Geetha, H. Bertagnolli, K. Natarajan
  Synthesis, EPR, electrochemistry and EXAFS studies of ruthenium(III) complexes with a symmetrical tetradentate N2O2 Schiff base Inorg. Chim. Acta, 359, 4, 1114-1120, 2006.
  (http://dx.doi.org/10.1016/j.ica.2005.11.028)
• R. Prabhakaran, V. Krishnan, K. Pasumpon, D. Sukanya, E. Wendel, C. Jayabalakrishnan, H. Bertagnolli, K. Natarajan
  Preparation, spectral characterization, electrochemistry, EXAFS, antibacterial and catalytic activity of new ruthenium(III) complexes containing ONS donor ligands with triphenylphosphine/arsine Appl. Organomet. Chem., 20, 3, 203-213, 2006.
  (http://onlinelibrary.wiley.com/doi/10.1002/aoc.1026/abstract)
• D. Barreca, A. Gasparotoo, C. Maragno, R. Seraglia, E. Tondello, A. Venzo, V. Krishnan, H. Bertagnolli
  Synthesis and characterization of zinc bis(O-isopropylxanthate) as a single-source chemical vapor deposition precursor for ZnS Appl. Organomet. Chem., 19, 9, 1002-1009, 2005.
  (http://onlinelibrary.wiley.com/doi/10.1002/aoc.948/abstract
• V. Krishnan, S. Heislbetz, M. M. Natile, A. Glisenti, H. Bertagnolli
  Influence of preparation technique and iron doping on the structure and reactivity of mixed Fe-Ti-O nanocomposites Mater. Chem. Phys., 92, 2-3, 394-402, 2005.
  (http://dx.doi.org/10.1016/j.matchemphys.2005.01.041)
• D. –Y. Wu, E. Lindner, H. A. Mayer, Z. –J. Jiang, V. Krishnan, H. Bertagnolli
  Sol-gel processed diaminediphosphineruthenium (II) complexes for the catalytic hydrogenation of α, β-unsaturated ketones Chem. Mater., 17, 15, 3951-3959, 2005.
  (http://pubs.acs.org/doi/abs/10.1021/cm0501618)
• V. Krishnan, G. Bottaro, S. Gross, L. Armelao, E. Tondello, H. Bertagnolli
  Structural evolution and effects of calcium doping on nanophasic LaCoO3 powders prepared by non-alkoxidic sol-gel technique J. Mater. Chem., 15 , 20, 2020-2027, 2005.
  (http://pubs.rsc.org/en/Content/ArticleLanding/2005/JM/B502470F)
• L. Armelao, H. Bertagnolli, S. Gross, V. Krishnan, U. Lavrencic-Stangar, K. Mueller, B. Orel, G. Srinivasan, E. Tondello, A. Zattin
  Zr and Hf oxoclusters as building blocks for the preparation of nanostructured hybrid materials and binary oxides MO2-SiO2 (M = Hf, Zr) J. Mater. Chem., 15, 19, 1954-1965, 2005.
  (http://pubs.rsc.org/en/Content/ArticleLanding/2005/JM/B501904D)
• H. Bertagnolli, W. J. Blau, Y. Chen, D. Dini, M. P. Feth, S. M. O’Flaherty, M. Hanack, V. Krishnan
  Synthesis, characterization and optical limiting properties of a gallium phthalocyanine dimer with gallium-gallium bond J. Mater. Chem., 15, 6, 683-689, 2005.
  (http://pubs.rsc.org/en/Content/ArticleLanding/2005/JM/B412546K
• D. Barreca, A. Gasparotoo, C. Maragno, R. Seraglia, E. Tondello, A. Venzo, V. Krishnan, H. Bertagnolli
  Cadmium O-alkylxanthates as CVD precursors of CdS: a chemical characterization Appl. Organomet. Chem., 19, 1, 59-67, 2005.
  (http://onlinelibrary.wiley.com/doi/10.1002/aoc.833/abstract)
• R. Prabhakaran, A. Geetha, M. Thilagavathi, R. Karvembu, V. Krishnan, H. Bertagnolli, K. Natarajan
  Synthesis, characterization, EXAFS investigation and antibacterial activities of new ruthenium (III) complexes containing tetradentate Schiff base J. Inorg. Biochem., 98, 12, 2131-2140, 2004.
  (http://dx.doi.org/10.1016/j.jinorgbio.2004.09.020)
• V. Krishnan, M. P. Feth, E. Wendel, Y. Chen, M. Hanack, H. Bertagnolli
  EXAFS Spectroscopy - Fundamentals, Measurement techniques, Data evaluation and Applications in the field of Phthalocyanines Z. Phys. Chem., 218, 1, 1-15, 2004.
  (http://www.oldenbourg-link.com/doi/abs/10.1524/zpch.218.1.1.25389)

Publications in annual reports

• V. Krishnan, H. Bertagnolli
  AXAFS studies on ruthenium(II) complexes used in interphase catalysis
  HASYLAB Annual report 2006, 457-458.
• V. Krishnan, M. M. Natile, E. Wendel, M. Bauer, A. Glisenti, H. Bertagnolli
  Structural studies on mixed W–Ce–O nanocomposites by means of EXAFS spectroscopy
  HASYLAB Annual report 2005, 513-514.
• E. Wendel, F. Meneghetti, V. Krishnan, S. Gross, E. Tondello, H. Bertagnolli
  Influence of calcination temperature and composition on the formation of ZrO2-SiO2 mixed oxides
  HASYLAB Annual report 2005, 377-378.
• E. Wendel, M. Schmidt, G. Upper, V. Krishnan, M. Bauer, M. Tuerk, R. Glaeser, H. Bertagnolli
  EXAFS investigations on platinum compounds supported on mesoporous MCM-41
  ANKA Annual report 2005, 42-43.
• V. Krishnan, S. Gross, E. Wendel, M. Bauer, L. Armelao, E. Tondello, H. Bertagnolli
  X-ray absorption fine structure studies on NiO clusters embedded in porous silica
  ANKA Annual report 2005, 40-41.
• M. Bauer, G. Kickelbick, E. Wendel, V. Krishnan, H. Bertagnolli
  Structural investigations on titanium alkoxides in solution with EXAFS/XANES- spectroscopy
  HASYLAB Annual report 2004, 375-376.
• V. Krishnan, D. –Y. Wu, I. Warad, E. Wendel, M. Bauer, E. Lindner, H.Bertagnolli
  EXAFS studies on polysiloxane supported interphase catalysts based on ruthenium (II) complexes
  HASYLAB Annual report 2004, 225-226.
• E. Wendel, M. Schmidt, V. Krishnan, M. Bauer, R. Glaeser, H. Bertagnolli
  EXAFS investigations on platinum particles supported on mesoporous MCM-41
  HASYLAB Annual report 2004, 223-224.
• E. Wendel, T. Schurr, M. Bauer, V. Krishnan, A. Klein, H. Bertagnolli
  Structural studies on cis and trans platinum (II) DMSO complexes
  ANKA Annual report 2004, 37-38.
• V. Krishnan, A. Zattin, S. Gross, L. Armelao, E. Tondello, H. Bertagnolli
  EXAFS spectroscopic investigations on nanostructured HfxOy embedded in silica
  ANKA Annual report 2004, 35-36.
• M. Bauer, T. Kauf, E. Wendel, V. Krishnan, J. Christoffers, H. Bertagnolli
  EXAFS investigations on the Fe(III)-catalyzed Michael reaction
  ANKA Annual report 2004, 33-34.
• V. Krishnan, Y. Chen, M. P. Feth, E. Wendel, M. Bauer, M. Hanack, H. Bertagnolli
  EXAFS spectroscopic studies on µ-oxo-bridged gallium phthalocyanine dimer
  HASYLAB Annual report 2003, 293-294.
• M. P. Feth, G. Kickelbick, S. Gross, M. Bauer, V. Krishnan, E. Wendel,U. Schubert, H. Bertagnolli
  EXAFS investigations on nanocomposites composed of surface-modified hafnium oxo clusters and organic polymers
  HASYLAB Annual report 2003, 291-292.
• V. Krishnan, A. Glisenti, M. P. Feth, E. Wendel, M. Bauer, M. M. Natile, H. Bertagnolli
  Structural studies on mixed oxide nanocomposites of TixFeyOz by EXAFS spectroscopy
  ANKA Annual report 2003, 42-43.
• M. P. Feth, M. Kreitmeir, V. Krishnan, H. Bertagnolli, A. Erko, M. Fieber-Erdmann, A. Klein
  Structural investigations of square-planar Ni(II)-complexes by XANES and EXAFS spectroscopy
  BESSY Annual report 2002, 46-48.
• M. P. Feth, G. Kickelbick, V. Krishnan, D. Holzinger, S. Gross, V. Torma, H. Bertagnolli
  Structural investigation of the formation of organically surface-modified metal oxo clusters by EXAFS spectroscopy
  HASYLAB Annual report 2002, 397-398.
• V. Krishnan, M. Seiler, M. P. Feth, I. Warad, S. Al-Garabli, E. Lindner, H. Bertagnolli
  EXAFS investigations on diamine(diphosphine) and diamine(ether-phosphine) ruthenium(II) complexes
  HASYLAB Annual report 2002, 267-268.

Poster presentations

• V. Krishnan, Q. Ji, M. Sathish, S. Ishihara, L. K. Shrestha, H. Morita, N. Hanagata, K. Miyazawa, K. Ariga “Oriented cell growth guided with programmably degradable and non-toxic fullerene nanowhiskers” Presented at MANA International Symposium 2012, Tsukuba, Japan (Feb. 29 to Mar. 02, 2012)
• V. Krishnan, M. Sathish, S. Ishihara, K. Sakakibara, K. Miyazawa, K. Ariga “Controlled alignment of fullerene nanowhiskers through self-assembly at air-water interface” Presented at India-Japan Symposium on Global Challenges in Health and Environment, Tokyo, Japan (Oct. 07, 2011).
• C. Shanmugavel, V. Krishnan, K. Ariga, N. Hanagata “Water soluble Si quantum dots as fluorescent probes for bio-applications” Presented at Satellite Symposium on Micro/Nano Aspects of Biomaterials, Kyoto, Japan (Jul. 19 to 20, 2011).
• V. Krishnan, M. Sathish, S. Ishihara, K. Sakakibara, K. Miyazawa, K. Ariga “Controlled alignment of fullerene nanowhiskers through self-assembly at air-water interface” Presented at MANA International Symposium 2011, Tsukuba, Japan (Mar. 02 to 04, 2011).
• V. Krishnan, A. Tronin, J. Strzalka, G. Gonella, H. C. Fry, H. –L. Dai, M. Therien, J. K. Blasie “Bio-inspired artificial peptides incorporating novel non-biological chromophores with designed functionalities for device applications” Presented at India-Japan Symposium on Emerging Technologies, Tokyo, Japan (Oct. 07, 2010).
• V. Krishnan, J. Strzalka, J. Liu, C. Liu, I. Kuzmenko, T. Gog, J. K. Blasie “X-ray reflectivity from unperturbed Langmuir monolayers of amphiphiles at the liquid-gas interface enhanced through interferometry” Presented at Review Meeting of X-ray Interface Science and Liquid Surface Scattering Science, Argonne National Laboratory, Argonne, U.S.A. (Oct. 06, 2010).
• V. Krishnan, A. Tronin, J. Strzalka, G. Gonella, H. C. Fry, H. –L. Dai, M. Therien, J. K. Blasie “Bio-inspired hierarchical functional materials for non-linear optics (NLO) applications” Presented at the summer school on Neutron Small Angle Scattering and Reflectometry, NIST, Gaithersburg, U.S.A. (May 10 to 14, 2010).
• V. Krishnan, H. Bertagnolli “Mechanistic studies on the nucleation of zinc sulphide nanoparticles by means of XAFS spectroscopy” Presented at fifth ANKA users meeting, Karlsruhe, Germany (Oct. 09 to 10, 2006).
• W. Leis, J. C. Grimm, V. Krishnan, S. Anantharaman, H. Bertagnolli, H. A. Mayer“Determination of oxidation states in Ir-PCP-pincer complexes with X-ray absorption near edge spectroscopy” Presented at the international conference on Organometallic Chemistry (ICOMC), Zaragoza, Spain (Jul. 23 to 28, 2006).
• V. Krishnan, E. Wendel, M. Bauer, H. Bertagnolli “Investigations on the structure of NiO and Pt nanoclusters embedded in porous materials by EXAFS spectroscopy” Presented at fourth ANKA users meeting, Karlsruhe, Germany (Oct. 06 to 07, 2005).
• S. Gross, L. Armelao, H. Bertagnolli, V. Krishnan, S. Mascotto, K. Mueller, G. Srinivasan, E. Tondello, A. Zattin“Spectroscopic investigations of the conversion of inorganic-organic hybrid materials into nanostructured mixed oxides” Presented at fifth national conference on Science and Technology of Materials (INSTM), Cagliari, Italy (Sep. 26 to 29, 2005).
• V. Krishnan, R. Prabhakaran, A. Geetha, K. Natarajan, H. Bertagnolli “EXAFS studies on ruthenium(III) complexes containing tetradentate N2O2 Schiff base ligand” Presented at thirteenth IUPAC symposium on Organometallic Chemistry directed towards Organic Synthesis, Geneva, Switzerland (Jul. 17 to 21, 2005).
• S. Gross, L. Armelao, H. Bertagnolli, V. Krishnan, K. Mueller, G. Srinivasan, A.Zattin“Physikalisch-chemische Untersuchungen zur Umwandlung von Hybridmaterialien in nanostrukturierte gemischte Oxide” Presented at thirteenth meeting on Solid State Analytics, Chemnitz, Germany (Jun. 26 to 29, 2005).
• D. Barreca, C. Maragno, A. Gasparotto, R. Seraglia, E. Tondello, A. Venzo, V. Krishnan, H. Bertagnolli “Investigation of Cd-, Zn xanthates as single source CVD precursors for CdS and ZnS” Presented at twenty third informal meeting on Mass Spectrometry, Fiera di Primiero, Italy (May 15 to 19, 2005).
• L. Armelao, H. Bertagnolli, D. Camozzo, S. Gross, V. Krishnan, E. Tondello “Carboxylic acids as solvent for the preparation of metal sulphide nanoparticles” Presented at thirteenth meeting on Synthesis and Methodologies in Inorganic Chemistry, Brixen, Italy (Dec. 05 to 07, 2004).
• V. Krishnan, S. Gross, L. Armelao, H. Bertagnolli, E. Tondello “EXAFS spectroscopy as a powerful tool to investigate the hydrolysis and condensation reaction mechanisms of metal alkoxides as precursors in sol-gel process” Presented at thirteenth meeting on Synthesis and Methodologies in Inorganic Chemistry, Brixen, Italy (Dec. 05 to 07, 2004).
• L. Armelao, H. Bertagnolli, S. Gross, V. Krishnan, U. Lavrencic-Stangar, K. Mueller, B. Orel, G. Srinivasan, E. Tondello, A. Zattin “MO2-SiO2 (M=Hf, Zr) binary oxide systems from inorganic-organic hybrid materials: synthesis, characterisation and thermal behaviour under heating” Presented at thirteenth meeting on Synthesis and Methodologies in Inorganic Chemistry, Brixen, Italy (Dec. 05 to 07, 2004).
• V. Krishnan, A. Zattin, S. Gross, L. Armelao, E. Tondello, H. Bertagnolli “EXAFS spectroscopic investigations on nanostructured HfxOy embedded in silica matrix” Presented at third ANKA users meeting, Karlsruhe, Germany (Sep. 23 to24, 2004).
• G. Bandoli, H. Bertagnolli, S. Gross, V. Krishnan, M. Montolli, G. Pace, A. Ravazzolo, R. Seraglia, E. Tondello, A. Venzo “Vinyl-functionalised cyclophosphaszenes as molecular building blocks for the development of inorganic-organic hybrid materials ” Presented at fourth international conference on Inorganic Materials, Antwerp, Belgium (Sep. 19 to 21, 2004).
• T. Asthalter, V. Olszowka, V. Krishnan, H. Bertagnolli, H. –C. Wille, O. Leupold “Confined phonons and chemical structure of europium hydroxide nanoparticles” Presented at eleventh international conference on Phonon Scattering in Condensed Matter, St. Petersburg, Russia (Jul. 25 to 30, 2004).
• V. Krishnan, S. Gross, L. Armelao, H. Bertagnolli “EXAFS investigations on hydrolysis and condensation mechanisms of metal alkoxides under sol-gel conditions” Presented at seventh international conference on Reaction Mechanisms, Dublin, Ireland (Jul. 04 to 08, 2004).
• T. Asthalter, V. Olszowka, V. Krishnan, H. Bertagnolli “Vibrational and structural properties of europium-rich nanoparticles” Presented at Bunsen meeting – 2004, Dresden, Germany (May 20 to 22, 2004).
• T. Asthalter, V. Krishnan, O. Leupold, H. –C. Wille, L. Pasquinia, E. Bauer, P. Mueller-Buschbaum “The vibrational properties of Eu2O3 nanoparticles as studied by nuclear inelastic absorption” Presented at fourteenth ESRF users meeting, Grenoble, France (Feb. 10 to 11, 2004).
• V. Krishnan, Y. Chen, M. P. Feth, E. Wendel, M. Bauer, M. Hanack, H. Bertagnolli “EXAFS spectroscopic studies on µ-oxo-bridged metallophthalocyanine dimers” Presented at HASYLAB users meeting, Hamburg, Germany (Jan. 29 to 30, 2004).
• V. Krishnan, A. Glisenti, M. P. Feth, E. Wendel, M. Bauer, M. M. Natile, H. Bertagnolli “Structural studies on mixed oxide nanocomposites of TixFeyOz by X-ray absorption spectroscopy” Presented at second ANKA users meeting, Karlsruhe, Germany (Sep. 15 to16, 2003).
• V. Krishnan, G. Bottaro, M. P. Feth, E. Wendel, M. Bauer, S. Gross, L. Armelao, H. Bertagnolli “Structural investigations on nanophasic pure and Ca2+-doped LaCoO3 by X-ray absorption spectroscopy” Presented at ninth European conference on Solid State Chemistry, Stuttgart, Germany (Sep. 03 to 06, 2003).
• V. Krishnan, I. Warad, M. P. Feth, E. Wendel, M. Bauer, Z. –L. Lu, M. Sunjuk, H.A. Mayer, E. Lindner, H. Bertagnolli “EXAFS spectroscopic investigations on the structure of ruthenium(II) complexes in asymmetric transfer hydrogenation catalysis” Presented at the workshop on XAS at Third Generation Sources: Highlights and Future Perspectives, Grenoble, France (Jun. 19 to 20, 2003).

Invited talks

• “Recent Trends in Materials Science” Department of Chemistry, Karpaga Vinayaka College of Engineering and Technology, Kancheepuram, India (Sep. 12, 2011).
• “X-ray scattering and X-ray spectroscopic studies on bio-inspired hierarchical functional materials and metal oxide nanomaterials” Department of Physics, Bharathiar University, Coimbatore, India (Aug. 30, 2011).
• “X-ray absorption fine structure spectroscopy – an overview” Presented at a workshop on “Advanced Techniques for Materials Characterization”, Department of Physics, Bharathiar University, Coimbatore, India (Mar. 19, 2009).
• “Design, fabrication and structural studies of bio-inspired hierarchical functional materials and metal oxide nanomaterials” Presented at Division of Molecular and Nanomaterials, Department of Chemistry, University of Leuven, Belgium (Feb. 13, 2009).
• “Design, fabrication and structural studies of bio-inspired hierarchical functional materials and metal oxide nanomaterials” Presented at Institute of Physical Chemistry, University of Goettingen, Goettingen, Germany (Feb. 05, 2009).
• “Design, fabrication and structural studies of bio-inspired hierarchical functional materials and metal oxide nanomaterials” Presented at Institute of Physical Chemistry, University of Stuttgart, Stuttgart, Germany (Feb. 03, 2009).

Contributed talks

• “Bio-inspired artificial peptides incorporating novel non-biological cofactors with designed functionalities for device applications” Presented at 236th ACS National Meeting, Philadelphia, Pennsylvania, U.S.A. (Aug. 17 to 21, 2008).
• “Functional biomolecular materials incorporating non-biological cofactors into amphiphilic 4-helix bundle peptides” Presented at second annual “Chemistry-Biology Interface Scientific Meeting”, Swarthmore College, Pennsylvania, U.S.A. (Jul. 25, 2008).
• “Structural investigations on organometallic complexes and nanomaterials by XAFS and Raman spectroscopy” Presented at APS User Science Seminar, Argonne National Laboratory, Illinois, U.S.A. (Nov. 02, 2007).
• “Investigations on the local structure of catalytically active metal complexes by means of XAFS spectroscopy” Presented at seventh workshop of graduate college “Chemistry in Interphases”, Lauterbad, Germany (Nov. 15 to 17, 2005).
• “Structural investigations on nanomaterials by XAFS and Raman spectroscopy” Presented at Department of Chemistry, University of Padua, Italy (Jun. 10, 2005).
• “X-ray absorption spectroscopic studies on ruthenium complexes” Presented at sixth workshop of graduate college “Chemistry in Interphases”, Blaubeuren, Germany (Nov. 16 to 18, 2004).
• “EXAFS spectroscopic investigations on catalytically active metal complexes” Presented at fifth workshop of graduate college “Chemistry in Interphases”, Blaubeuren, Germany (Nov. 11 to 13, 2003).
• “EXAFS spectroscopy – A powerful tool in the structural investigations of disordered systems” Presented at fourth workshop of graduate college “Chemistry in Interphases”, Blaubeuren, Germany (Nov. 12 to 14, 2002).

Research period in Japan

• MANA International Symposium 2012, Tsukuba, Japan. – Feb. 29 to Mar. 02, 2012.
• Symposium on "Frontier of Functional-Oxide Nano Electronics", Tsukuba, Japan. – Nov. 10 to 11, 2011.
• India-Japan Symposium on "Global Challenges in Health and Environment", Tokyo, Japan – Oct. 07, 2011.
• MANA International Symposium 2011, Tsukuba, Japan. – Mar. 02 to 04, 2011.
• Workshop on "Discussion on Graphene Growth and Characterization", Tsukuba, Japan. – Jan. 17 to 18, 2011.
• India-Japan Symposium on “Emerging Technologies”, Tokyo, Japan – Oct. 07, 2010.
• NIMS-EWHA workshop on “Advanced Functional Materials”, Tsukuba, Japan – Aug. 27, 2010.
• NIMS conference on “Challenges of Nanomaterials Science: Towards the Solution of Environment and Energy Problems”, Tsukuba, Japan – Jul. 12 to 14, 2010.
• IBM-NIMS symposium on “Characterization and Manipulation at the Atomic Scale”, Tsukuba, Japan – Jun. 14 to 15, 2010.

Postdoctoral period in U.S.A.

• Summer School on “Neutron Small Angle Scattering and Reflectometry” at NIST Center for Neutron Research, Gaithersburg, U.S.A. – May 10 to 14, 2010.
• “NanoDay@Penn workshop” at University of Pennsylvania, Philadelphia, U.S.A. – Oct. 27 to 28, 2009.
• Symposium on “Fuel Cells: Materials, Challenges and breakthroughs” at University of Pennsylvania, Philadelphia, U.S.A. – Sep. 26, 2009.
• Third annual “Chemistry-Biology Interface Scientific Meeting” at Swarthmore College, Pennsylvania, U.S.A. – Jul. 24, 2009.
• Workshop on “Advanced Techniques for Materials Characterization”, Department of Physics, Bharathiar University, Coimbatore, India – Mar. 19 to 21, 2009.
• 236th ACS National Meeting in Philadelphia, Pennsylvania, U.S.A. – Aug. 17 to 21, 2008.
• Second annual “Chemistry-Biology Interface Scientific Meeting” at Swarthmore College, Pennsylvania, U.S.A. – Jul. 25, 2008.
• “Mid-Atlantic Soft Matter Workshop” at University of Pennsylvania, Philadelphia, U.S.A. – Jun. 09, 2008.
• School on “Liquid Surface X-ray Scattering: Theory and Experimental Methods” at Argonne National Laboratory, Illinois, U.S.A. – Nov. 07 to 09, 2007.
• Mini-symposium on “Search for Sustainable Energy Future: Challenges for Basic Research” at University of Pennsylvania, Philadelphia, U.S.A. – Mar. 09, 2007.

Doctoral period in Germany

• Fifth ANKA users meeting for synchrotron radiation users at FZK, Karlsruhe, Germany – Oct. 09 to 10, 2006.
• Seventh workshop of graduate college “Chemistry in Interphases” at Lauterbad, Germany – Nov. 15 to 17, 2005.
• Fourth ANKA users meeting for synchrotron radiation users at FZK, Karlsruhe, Germany – Oct. 06 to 07, 2005.
• Thirteenth IUPAC symposium on “Organometallic Chemistry directed towards Organic Synthesis” at Geneva, Switzerland – Jul. 17 to 21, 2005.
• Fifty fifth meeting of “Nobel Laureates” at Lindau, Germany – Jun. 26 to Jul. 01, 2005.
• Twenty sixth HMI tutorial session on “Neutron Scattering” at Hahn-Meitner-Institute, Berlin, Germany – Feb. 21 to 25, 2005.
• Sixth workshop of graduate college “Chemistry in Interphases” at Blaubeuren, Germany – Nov. 16 to18, 2004.
• Workshop on “Nanomaterials – Metals and Semiconductors” organized by International Max Planck Research School for Advanced Materials (IMPRS-AM) at Max Plank institute of metals research, Stuttgart, Germany – Sep. 27 to 29, 2004.
• Third ANKA users meeting for synchrotron radiation users at FZK, Karlsruhe, Germany – Sep. 23 to 24, 2004.
• Seventh international conference on “Reaction Mechanisms” at University College Dublin, Dublin, Ireland – Jul. 04 to 08, 2004.
• Workshop on “Nanomaterials – Organic and Inorganic materials” organized by International Max Planck Research School for Advanced Materials (IMPRS-AM) at Max Plank institute of metals research, Stuttgart, Germany – Apr. 26 to 28, 2004.
• HASYLAB users meeting for synchrotron radiation users at DESY, Hamburg, Germany – Jan. 29 to 30, 2004.
• Fifth workshop of graduate college “Chemistry in Interphases” at Blaubeuren, Germany – Nov. 11 to 13, 2003.
• Workshop on “Rhetoric and communication” at Eberhard Karls University, Tuebingen, Germany – Oct. 01 to 02, 2003.
• Second ANKA users meeting for synchrotron radiation users at FZK, Karlsruhe, Germany – Sep. 15 to 16, 2003.
• Ninth European conference on “Solid State Chemistry” at University of Stuttgart, Stuttgart, Germany – Sep. 03 to 06, 2003.
• Workshop on “XAS at Third Generation Sources: Highlights and Future Perspectives” at ESRF, Grenoble, France – Jun. 19 to 20, 2003.
• Summer school on “Theoretical and Computational Materials Science” organized by International Max Planck Research School for Advanced Materials (IMPRS-AM) at Max Plank institute of metals research, Stuttgart, Germany – Jun. 02 to 06, 2003.
• Workshop on “Scientific Communication” at Eberhard Karls University, Tuebingen, Germany – Jan. 20 to 22, 2003.
• Fourth workshop of graduate college “Chemistry in Interphases” at Blaubeuren, Germany – Nov. 12 to14, 2002.

Graduation period in India

• National conference on “Thin Film Techniques and Applications” at P.S.G. College of Arts and Science, Coimbatore, India – Feb. 2002.
• National conference on “Current Trends in Materials Science” at M.G. University, Kottayam, Kerala, India – Mar. 2001.
• National conference on “Solar Energy and its Utilisation” at SRKMV, Coimbatore, India – Feb. 2001.
• National seminar on “Micro Electro Mechanical Systems” at P.S.G. College of Technology, Coimbatore, India – Jan. 2001.
• Workshop on “Stellar Structure and Evolution” conducted by IUCAA, Pune at S.B. College, Changanacherry, Kerala, India – Oct. 2000.

Professional affiliations

• Member of American Association for Advancement of Science (AAAS) – 2007 to 2008
• Member of American Chemical Society (ACS) – 2008 to 2009
• Member of American Nano Society (ANS) – 2011 to present
• Member of Indian Scientists Association in Japan (ISAJ) – 2010 to present

Reviewer

• Journal of Physical Chemistry (A, B and C)
• Journal of Physics: Condensed Matter
• Journal of Physics D: Applied Physics
• Journal of Physics and Chemistry of Solids
• Journal of Materials Science
• Journal of Nano Research
• Journal of Nanoscience and Nanotechnology
• Measurement Science and Technology
• Nanotechnology
• New Journal of Physics
• Superlattices and Microstructures
• Surface and Interface analysis