Dr. T. Pradeep


Email : pradeep@iitm.ac.in
Phone: 044-2257 4208 (Off) Fax: (044) 2257 0509/0545

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Academic profile


1980 - 85 B.Sc., M.Sc. Calicut University
1986 - 91 Ph.D. Indian Institute of Science
1992 - 93 Post-doctoral fellow: Lawrence Berkeley Laboratory, University of California, Berkeley
1993 Post-doctoral fellow: Purdue University, Indiana



1993 - 95 Visiting Faculty, IIT Madras
1995 - 00 Asst. Professor, IIT Madras
2000 - 03 Associate Professor, IIT Madras
2004 - Professor, IIT Madras



  • Visiting Scientist, Purdue University, Indiana 1994, 1998
  • Visiting Scientist, Institute of Chemistry, Academia Sinica, Taipei, Taiwan
  • Visiting Professor, Pohang University of Science and Technology, South Korea
  • Visiting Professor, University of Leiden, Netherlands, 2002 (two times)
  • Visiting Scientist, EPFL, Lausanne, Switzerland
  • Visiting Scientist, Institute of Molecular Science, Okazaki, Japan
  • Visiting Scientist, University of Hyogo, Japan



  • Over 200



  • National Talent Test Award 1975-78
  • Calicut University Merit Scholarship 1983-85
  • Indo-US Science and Technology Fellowship 1992-93
  • Rajiv Gandhi Award for Innovative ideas in Science and Technology, 1995
  • Young Affiliate of the International Union of Pure and Applied Chemistry, 1996
  • Senior Fulbright Fellowship, 1998
  • Tamilnadu Scientist Award 2000
  • Materials Research Society of India Medal 2002
  • Young Scientist Award, Chemical Research Society of India, 2003
  • B.M. Birla Science Prize of 2000 awarded in 2003
  • Swarnajayanti Fellowship (Project) of the DST
  • Chemical Research Society of India Medal 2004
  • Fellow, Madras Science Foundation, 2005
  • Editorial board member of two journals in chemistry<
  • Swadeshi Sastra Puraskaram – 2007, Swadeshi Science Movement of Kerala, part of Vignana Bharati
  • National Research Award in Nano Science and Technology by the Department of Science and Technology, Government of India, 2008
  • Shanti Swaroop Bhatnagar Prize in chemical sciences, 2008
  • Elected fellow of the Indian Academy of Sciences, 2009
  • Editorial board / member, Nano Reviews, 2010
  • Kerala Sahitya Academi Award, 2010



Nanomaterials, clusters, monolayers, electron spectroscopy and electronic structure, tandem mass spectrometry and ion/surface collisions, instrumentation



Education, popular science in English and Malayalam, teaching aids; Books in Malayalam



  • Ag9 quantum cluster through a solid state route, T. U. B. Rao, B. Nataraju and T. Pradeep, J. Am. Chem. Soc., 132 (2010) 16304-16307
  • Luminescent Ag7 and Ag8 Clusters by Interfacial Synthesis T. Udaya Bhaskara Rao and T. Pradeep, Angew. Chem. Int. Ed., 49 (2010) 3925-3929
  • Noble metal nanoparticles for water purification: A critical review, T. Pradeep and Anshup, Invited critical review, Thin Solid Films, 517 (2009) 6441-6478
  • Fluorescent gold nanoparticle superlattices, Naoki Nishida, Edakkattuparambil S. Shibu, Hiroshi Yao, Tsugao Oonishi, Keisaku Kimura and T. Pradeep, Adv. Mater., 2(2009) 220-234
  • Electric field assisted growth of highly uniform and oriented gold nanotriangles on conducting glass substrates, P. R. Sajanlal and T. Pradeep, Adv. Mat. 20 (2008) 980-983
  • Ligand exchange of Au25SG18 leading to functionalized gold clusters: Spectroscopy, kinetics and luminescence, E. S. Shibu, M. A. Habeeb Muhammed, T. Tsukuda and T. Pradeep, J. Phys. Chem. C., 112 (2008) 12168 - 12176
  • Visible fluorescence induced by the metal semiconductor transition in composites of carbon nanotubes with noble metal nanoparticles, Chandramouli Subramaniam, T. S. Sreeprasad, T. Pradeep, G. V. Pavan Kumar, Chandrabhas Narayana, T. Yajima, Y. Sugawara, Hirofumi Tanaka, Takuji Ogawa and J. Chakrabarti, Phys. Rev. Lett., 99 (2007) 167404
  • Novel MoS2 clusters in the gas phase, D. M. David Jeba Singh, T. Pradeep, Joydeep Bhattacharjee and U. V. Waghmare, J. Phys. Chem. A 109 (2005) 7339-7342
  • Flow induced transverse electrical potential across an assembly of gold nanoparticles, C. Subramaniam, T. Pradeep and J. Chakrabarti, Phys. Rev. Lett. 95 (2005) 164501
  • Unique chemistry at ice surfaces: Incomplete proton transfer in H3O+-NH3 system, S. -C. Park, K.-W. Maeng, T. Pradeep and H. Kang, Angew. Chem. Int. Ed. Eng., 40 (2001) 1497-1500

Full List



Research projects at hand

  • DST Unit of Nanoscience Phase II, Rs. 555.5 lakhs (principal investigator)
  • Chemistry at ice surfaces, DST, Rs. 450 lakhs (principal investigator)
  • Field tests of drinking water purifiers, IGCAR, Rs. 6 lakhs (principal investigator)


Research projects completed

  • Fluoride removal from drinking water, Rs. 8 lakhs (socially relevant projects, supported by a group of individuals)
  • Chemistry of functionalised and corrugated self assembled monolayers, DST, Rs. 3.28 lakhs
  • Chemistry of metallocarbohedrenes, Department of Science and Technology, Rs. 21.25 lakhs with Prof. P. T. Manoharan
  • Chemical writing on organised molecular assemblies, Jawaharlal Nehru Centre, Bangalore, 2 lakhs
  • Feasibility of preparing fullerenes from local graphite, Gem Graphites Pvt. Ltd., Rs. 0.5 lakhs
  • Tandem mass spectrometry and ion/surface collisions, Department of Science and Technology, Rs. 58.6 lakhs
  • Oxidation of CO on palladium clusters, Defence Research Development Organisation, Gwalior 4.91 lakhs (Research based industrial consultancy)
  • Chemistry of monolayers on metal clusters, CSIR, Rs. 6.63 lakhs
  • Structure of monolayer assembled cluster superlattices, IUC-DAE, Rs. 2.55 lakhs
  • Nanocomposites as light sensors, ISRO-IITM Cell, Rs. 9.6 lakhs (principal investigator)
  • Nanoscopic optical limiters, MIT, Rs. 29.5 lakhs (principal investigator)
  • Nanoscience and Nanotechnology, DST, Rs. 105 lakhs (principal investigator)
  • Dynamics of aminoacids in ices, CSIR, Rs. 3.3. lakhs, (principal investigator)
  • Molecular and ionic chemistry at ice surfaces, DST, Rs. 108.5 lakhs (principal investigator)
  • Fundamental studies on thermal conductivity of nanofluids DRDO, Rs. 19 lakhs (investigator)
  • Thermal and electrical conductivity of nanofluids, DST, Rs. 9 lakhs (Investigator)
  • Excitonic superlattices, DST-JSPS collaborative project, 3 lakhs (principal investigator)
  • Gold nanoparticles in drinking water purification, World Gold Council, 20 lakhs (Principal Investigator)
  • DST Unit of Nanoscience, DST, Rs. 1165.8 lakhs (principal investigator)


Instruments Developed

  • Designed and fabricated a molecular beam photoelectron spectrometer to study molecular interactions in the gas phase
  • Made significant additions to an existing electron energy loss spectrometer used for the study of vacuum ultraviolet transitions of molecules
  • Developed fullerene generators
  • Developed a combined arc/discharge/thermal evaporation system
  • Developed a variable energy ion irradiation system for reactions with self assembled monolayers
  • Two high pressure reaction cells have been developed
  • A variable temperature (down to 12 K) infrared set-up has been put to operation. The system has been interfaced with a PC
  • A high/low temperature cell for in-situ FT-IR studies has been constructed
  • A metal-carbon cluster source has been coupled with a quandrupole mass spectrometer
  • A tandem mass spectrometer for ion/surface collisions has been constructed
  • An apparatus to study gaseous reactions at surfaces of ices has been developed
  • Apparatus for the preparation of carbon clusters/molecular species by microwave discharge has been developed
  • Microwave discharge source for the synthesis of new molecules has been coupled to a residual gas analyser for in-situ investigations
  • Reactor for the study of monolayer reactions has been coupled to a residual gas analyzer
  • A state-of-the-art UHV ion scattering spectrometer with two mass spectrometers has been constructed. This is one of the very first of its kind to conduct studies on molecular surfaces at 10-11 torr



  1. T. Pradeep(Ed.), Advances in Physical Chemistry, Allied Publishers, New Delhi, 1999
  2. T. Pradeep, Nano: The Essentials Understanding Nanoscience and Nanotechnology, Tata McGraw-Hill, New Delhi, 2007, reprinted 2008, 2009, 2010 (twice)
  3. S. K. Das, S. U. S. Choi, W. Yu, T. Pradeep, Nanofluids Science and Technology, John Wiley, New York, 2008
  4. T. Pradeep, Nano: The Essentials Understanding Nanoscience and Nanotechnology, McGraw-Hill, New Delhi, April 2008
  5. T. Pradeep, Nano no Honshitsu (Japanese edition of Nano: The Essentials ), Kyoritsu Shuppan Co. Ltd, Japan, July 2011



Indian Patents

  1. A method of preparing purified water from water containing pesticides (chlorpyrifos and malatheon) and purified water prepared by the said method, Indian patent 200767, June 2, 2006
  2. Polyurethane foam coated with silver nanoparticles, Indian patent, 219111, application no. 891/CHE/2004 granted on 24/04/2008
  3. A method of manufacturing of a device to monitor the flow of liquids and a device manufactured by the said method, Patent no. 230725, granted on 27/02/2009 application no. 1113/CHE/2005 dated 11.08.2005
  4. An optical material exhibiting the highest known laser damage threshold, an optical limiting device using the same and a method of preparation thereof, application no. 1273/CHE/2005, 12.09.2005
  5. Manufacture of single walled carbon nanotubes providing visible emission for imaging of nanostructure, C. Subramaniam and T. Pradeep, Patent no. 235278, application no. 421CHE/2006 dated 09.03.2006, granted on 30.06.2009
  6. A method to transform metallic single walled carbon nanotubes into semiconducting nanotubes
  7. A method to produce supported noble metal nanoparticles in commercial quantities, T. Pradeep and A. Sreekumaran Nair
  8. A method to use single walled carbon nanotube composites for gas sensing applications, C. Subramaniam and T. Pradeep
  9. Facile synthesis of highly anisotropic gold nanoflowers
  10. A method for removing inorganic mercury from drinking water, T. Pradeep, Lisha K. P., and Anshup
  11. Removal of fluoride, alkalinity, heavy metals and suspended solids simultaneously
  12. Multielement and multiproperty tagging, P. R. Sajanlal and T. Pradeep
  13. Organic polymer-inorganic fine particle antimicrobial composites and uses thereof, A. Sreekumaran Nair and T. Pradeep
  14. A method and an apparatus for tunable electrical conductivity of single walled carbon nanotubes, C. Subramaniam and T. Pradeep
  15. Organic-templated-boehmite-nanoarchitecture, T. Pradeep, Shihabudheen M. Maliyekkal, Anshup, Udayasankar and Amrita Chaudhary
  16. A single component method and device for pure water, T. Pradeep, Amrita Chaudhary, Sarala Thanikachalam, Shihabudheen M. Maliyekkal, Anshup and M. Udhaya sankar.
  17. Reduced graphene oxide-based composites for the purification of water, T. Pradeep, M. M. Shihabudheen and T.S. Sreeprasad
  18. Gravity-fed axial flow filter block for domestic water purifiers, T. Pradeep, M. Udhaya sankar, Anshup and Amrita Chaudhary
  19. Gold and silver quantum clusters and methods for their preparation and use, E. S. Shibu and T. Pradeep
  20. A sustained silver release composition, T. Pradeep, Anshup, M. Udhaya Sankar, Amrita Chaudhary and Gayathri R.
  21. One container gravity fed storage water purifier, T. Pradeep, Amrita Choudhary, M. Udhaya Sankar and Anshup


PCT Patents

  1. Extraction of malathion and chlorpyrifos from drinking water by nanoparticles-Adsorbent composition, a device and a method for decontaminating water containing pesticides
  2. A method to use single walled carbon nanotube composites for gas sensing applications
  3. Organic polymer-inorganic fine particle antimicrobial composites and uses thereof
  4. Method and apparatus for tunable electrical conductivity
  5. Multielement and multiproperty tagging
  6. Gold and silver quantum clusters


US Patents

  1. Multielement and multiproperty tagging
  2. Organic polymer-inorganic fine particle antimicrobial composites
  3. Method and apparatus for tunable electrical conductivity