Prof. T.K. Varadarajan  
 

Personal Profile :

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Room
Office
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e-mail

 

: Prof. T.K. Varadarajan. Ph.D.
: KCL 207
: (044) 2257 4214
: (044) 2811 4527
: --
: tkv@iitm.ac.in

 

Academic profile :

Research Interest :

  • Synthesis, characterization and catalytic studies on heteropoly acids, pervoskites, etc.

Recent Publications :

  1. B Viswanathan, M.J.Omana and T.K.Varadarajan, Mechanism of hydrocarbon formation from alcohols on heteropoly compounds – propane from isopropyl alcohol on 12-tungstophosphoric acid and its salts, Indian J.Tech., 28, 571 (1990).
  2. B.Viswanathan, N.S.Raman and T.K.Varadarajan, Conversion of isopropyl alcohol on Y-Ba-Cu-Oxide system-IR study, Indian.J.Chem., 29A, 1135 (1990).
  3. N.S.Raman, B.Viswanathan and T.K.Varadarajan, Analysis of Cu3+ in 123 oxide superconductors by cyclic voltammetry, Bull.Electro.Chem. 6, 785 (1990).
  4. N.S.Raman, B.Viswanathan and T.K.Varadarajan, catalytic PROPerties of Y-Ba-Cu-O system: Identification of active species for Isopropyl Alcohol Dehydrogenation, Recent Developments in Catalysis – Theory and Practice, Narosa Publishing House, 103 (1991).
  5. N.S.Raman, B.Viswanathan and T.K.Varadarajan, Valency of copper in 123 oxides, J.Mat.Sci., 27, 6440 (1992).
  6. N.S.Raman, B.Viswanathan and T.K.Varadarajan, M.Subramaniyam and A.R.Prasad, Catalytic properties of YBa2Cu3O7-x and alkaline earth cuprates, Indian J.Chem., 33A, 187 (1994).
  7. K.T.Ranjit, R.Krishnamoorthy, T.K.Varadarajan and B.Viswanathan, Photocatalytic reduction of nitrite on CdS, J.Photochem. Photobiol, A:Chemistry, 86, 185 (1995).
  8. K.T.Ranjit, T.K.Varadarajan and B.Viswanathan, Photocatalytic reduction of nitrite and nitrate ions to ammonia on Ru/TiO2 catalysts, J.Photochem.Photobiol, A, Chem, 89, 67 (1995).
  9. K.T.Ranjit, B.Viswanathan and T.K.Varadarajan, Iron doped titania for the photocatalytic reduction of nitrite and nitrate to ammonia, Catalysis Modern Trends, Narosa Publishing House, 564 (1995).
  10. K.T.Ranjit, T.K.Varadarajan and B.Viswanathan, Photocatalytic reduction of dinitrogen to ammonia over noble metal loaded TiO2, J.Photochem. Photobiol.A: Chem., 96, 181 (1996).
  11. K.T.Ranjit, B.Viswanathan and T.K.Varadarajan, Photocatalytic reduction of nitrite and nitrate ions over TiO2 semiconductors, J.Mat.Sci.Lett, 15, 874 (1996).
  12. K.T.Ranjit, B.Viswanathan and T.K.Varadarajan, Photocatalytic reduction of nitrite and nitrate ions over oxide (ZnO, ZrO2 and Fe2O3) semiconductors, Indian J.Chem., 35A, 177 (1996).
  13. K.Johnson, B.Viswanathan and T.K.Varadarajan, Alkylation of aromatic substrates with methanol on heteropolyoxometalate, India J.Chem., 36B, 246 (1997).
  14. R.Sumathi, K.Johnson, B.Viswanathan and T.K.Varadarajan, partial oxidation of benzyl alcohol on ABO3 (A=Ba, B=Pb, Bi and Cu) type perovskite oxides, Indian J.Chem., 36A, 874 (1997).
  15. R.Sumathi, K.Johnson, B.Viswanathan and T.K.Varadarajan, Selective Oxidation and dehydrogenation of benzyl alcohol on ABB1O3(A=Ba, B=Pb, Ce, Ti and B1=Bi,Cu,Sb) type perovskite oxides-Temperature programmed reduction studies, Appl.Catal.A, 172, 15 (1998).
  16. K.Johnson, B.Viswanathan and T.K.Varadarajan, Alkylation of toluene with methanol on microporous, MxH3-xPW12O40 React.Kinet Catal Lett., 63, 365 (1998).
  17. R.Sumathi, B.Viswanathan and T.K.Varadarajan, Selective Oxidation of Benzyl Alcohol on BaPb1-3xBixO and related perovskite oxides, Studies in Surface Science and Catalysis, 113, 937 (1998).
  18. Selective oxidation of benzyl alcohol on BaPb1-xBixO3 and related pervoskite oxides. R. Sumathi, B. Viswanathan, and T. K. Varadarajan, Studies in Surf. Sci. Catal., 113, 937-946, (1998).
  19. K.Johnson, B.Viswanathan and T.K.Varadarajan, Alkylation of toluene with methanol on Heteropoly Compounds, p-xylene selectivity, Studies in Surface Science and Catalysis, 113, 233 (1998).
  20. R.Sumathi, K.Johnson, B.Viswanathan and T.K.Varadarajan, Catalytic properties of BaPb1-xBixO3 perovskite oxide for partial oxidation of benzyl alcohol, Indian J.Chem., 38A, 40 (1999).
  21. Ch.Subrahmanyam, B.Viswanathan and T.K.Varadarajan, The mesoporous architecture of solids – How are they designed and exploited ? Bull.Catal.Soc.India, 10(6), 1 (2000).
  22. Ch.Subrahmanyam, B.Louis, B.Viswanathan, A.Renken and T.K.Varadarajan, Hydroxylation of phenol over M-MCM-48, Eurasian Chemico-Technological Journal, 3(1), 59 (2001).
  23. T.K.Varadarajan, R.Sumathi and B.Viswanathan, Partial Oxidation of 2-propanol on perovskites, Indian J.Chem., 40A, 1033 (2001).
  24. S. Shanmugam, B. Viswanathan and T. K. Varadarajan, Esterification Using Solid Acid catalysts, Bull. Catal. Soc. India 1(1), 1 (2001).
  25. Ch. Subrahmanyam, B. Louis, F. Rainone, B. Viswanathan, A. Renken and T. K. Varadarajan, Partial Oxidation of toluene by O2over mesoporous Cr-AlPO, Catalysis Communications, 3, 45 (2002).
  26. Ch. Subrahmanyam, B. Viswanathan and T. K. Varadarajan, Mesoporous Cr-AIPO - A Selective Catalyst for Oxidation of Side Chain Aromatic Substrates, Bull. Catal. Soc. India, 1, 52 (2002).
  27. Ch. Subrahmanyam, B. Louis, B. Viswanathan, A. Renken and T. K. Varadarajan, Catalytic oxidation of toluene with molecular oxygen over Cr - substituted mesoporous materials, Applied Catalysis A, 6350, 1 (2002).
  28. S. Shanmugam, B. Viswanathan and T. K. Varadarajan, Esterification of triethyleneglycol with methacrylic acid over phosphotungstic acid, Bull. Catal. Soc. India, 1, 116 (2002).
  29. Ch. Subramanyam, B. Viswanathan and T. K. Varadarajan, Mesoporous V - AIPO - New partial oxidation catalyst, Eurasian Chem. Tech. Journal (4) 201 (2002).