Dr. Archita Patnaik


Email :archita@iitm.ac.in
Phone: 2257 4217

Colloids and Interfaces Group

Academic Profile

  • B.Sc.(Chemistry (Hons.), Physics, Mathematics), B.J.B College, Utkal University, 1978
  • M.Sc. (Chemistry), Banaras Hindu University, 1981
  • Ph.D. Banaras Hindu University, 1986

  • Career and Professional Experience

  • Research Associate, Department of Physics, Banaras Hindu University, 1986 -87
  • Alexander von Humboldt Fellow, Forschungszentrum, Juelich, Germany, 1987 -89 (Prof. (Dr.) Kurt Roessler)
  • National Aeronautics and Space Administration (NASA) Fellow, Centre for Radio Physics and Space Research, Cornell University, Ithaca, USA, 1989 - 91 (Prof. (Dr. Carl Sagan)
  • Max-Planck Research Fellow, Max-Planck Institute for Cosmochemie, Mainz, Germany, 1991 -1992 ( Dr. Johannes Brueckner)
  • Assistant Professor, Indian Institute of Technology Madras, 1992
  • Visiting Professor, Institute for Modern Physics, Chinese Academy of Sciences, Lanzhou, China, August 1996 - December 1996
  • Visiting Scientist, Synchrotron Centre, Elettra, Trieste, Italy, August 2000 - December 2000
  • Associate Professor , Indian Institute of Technology Madras, 2000
  • JSPS Invitation Professor, Japanese Society for Promotion of Sciences , Department of Materials Technology, Chiba University, Japan, 2002 - 2003 (Prof. (Dr.) Nobuo Ueno)
  • Professor, Indian Institute of Technology Madras, 2006
  • Senior Fulbright - Nehru Research Fellow, Lawrence Berkeley National Laboratory and University of California, Santa Cruz, CA, USA, 2010 - 2011 ( Prof. (Dr.) Shaowei Chen, Dr. Jeff Neaton)
  • Adjunct Professor of Chemistry, University of Alabama at Birmingham, USA, 2011 -2012
  • Honour and Awards

  • 1st class First in Master of Science
  • AvH Fellowship
  • NASA Fellowship
  • Max-Planck Research Fellowship
  • TWAS Fellowship
  • JSPS Fellowship
  • Fulbright - Nehru Fellowship
  • Research Interests:

    Colloids and interfaces, Nanofunctional materials, Directed electron transport in functional amphiphiles corroborated through ab-initio electronic structure calculations, Molecular modeling and dynamics for controlled aggregate curvature and dynamics.

    Salient features are:

    I . Tailored interfacial (2D) and solution phase self-assembly in Functional Amphiphiles for structured aggregates:

    1. Synthesis of multifunctional Organic ­ Inorganic hybrid materials
    2. Chiral self-assembly & spontaneous vesicle formation in enantiomerically pure surfactants [Chiral Vesicles and Chiral Hydrogels, Chiral Discrimination in 2D]
    3. Chiral membranes, chiral recognition substrates, chiral sites in Langmuir-Blodgett assemblies and metal ion assisted chiral discrimination in 2D.

    II . Directed electron transport in oriented monolayers / organized domains for realization of molecular devices

    1. Electronic structure calculation and molecular modeling
    2. Electrochemical investigations: Ground state electron transport, redox behavior and current imaging in the fabricated layer-by-layer oriented ultra-thin electrodes from the designed Donor-Bridge-Acceptor Dyads, Monolayer protected clusters and small bio-inspired systems.

    III. Understanding and quantifying ‘Molecular Orientation’ in functional amphiphiles in 2D through polarization modulated Fourier Transform Infrared Spectroscopy.

    Salient Findings

    To sum up, our thrust has been on:

    Design, structure modeling and synthesis of novel and new multifunctional materials with covalent and non ­ covalent / soft interactions under quasi-ambient conditions from,

    a) covalently linked donor - bridge - acceptor dyads for realization of probable metal ­ organic ­ metal molecular nano ­ devices

    b) i) photo / electrochromic dye ­ surfactant interactions towards formation of highly
           ordered, shape and size selective premicellar J and / or H aggregates

        ii) Chiral self-assembly and spontaneous vesicle formation in enantiomerically pure surfactant systems in aqueous solution and at the two dimensional air-water interface focusing on :

           * Exploration of bulk vesicles as encapsulants
           * Permeability and controlled release of targeted reagents
           * Chiral membranes, chiral recognition substrates, chiral sites in Langmuir ­ Blodgett assemblies and metal ion assisted chiral discrimination in 2D.

    c) Synthesis of interfacial Janus particles and their immobilization on suitable substrates towards development of nanocapacitors and 2D nanoscale metal architecture arrays towards understanding interfacial electron transfer processes.

    Courses Taught

    Theory Courses

    1. Microscopic and Macroscopic Properties of Chemical Systems
    2. Equilibrium and Dynamics of Chemical Systems
    3. Structure, Bonding and Reactivity
      • Module 1 ­ Physical Chemistry
      • Module 2 ­ Inorganic Chemistry
    4. Molecular Architecture and Evolution of Functions
    5. Electrochemical Approaches to Functional Supramolecular Systems
    6. Concepts in Inorganic Chemistry
    7. Advanced Analytical Chemistry
    8. Analytical Chemistry
    9. Instrumentation
    10. Preparatory Course Theory
    11. Research Methodology


    1. Inorganic Qualitative Analysis and Instrumental Methods
    2. B. Tech Laboratory
    3. Physical Chemistry- I
    4. Preparatory Course

    Selected Research Publications

              I. Ground State Electronic Structure and Electron Transport in Oriented Monolayers / Cluster Assemblies [Donor - Bridge - Acceptor Dyads, Model Lipid Membranes and Oriented Clusters]

    1. Thermodynamic, kinetic and electronic structure aspects of a charge-transfer active bichromophoric organofullerene
      K. Senthil Kumar and Archita Patnaik
      J. Chem. Sci., 125, 237­246, 2013

    2. L-Tryptophan-Induced Electron Transport across Supported Lipid Bilayers: an Alkyl-Chain Tilt-Angle, and Bilayer Symmetry Dependence
      Nirod Kumar Sarangi and Archita Patnaik
      ChemPhysChem , 13, 4258 ­ 4270, 2012

    3. Interfacial Janus gold Nanoclusters as Excellent Phase- and Orientation-Specific Dopamine Sensors
      P. Biji and Archita Patnaik
      Analyst, 2012, 137, 4795 - 4801

    4. Tunable Electronic Properties of a Proton Responsive N, N dimethylaminoazobenzene - Fullerene (C60) Dyad
      K. Senthil Kumar, Archita Patnaik
      ChemPhysChem 2010, 11, 3645 - 3655

    5. One Pot Hemimicellar Synthesis o f Amphiphilic Janus Gold Nanoclusters for Novel Electronic Attributes
      Biji P., Nirod. K. Sarangi and Archita Patnaik
      Langmuir, 2010, 26 (17), 14047-14057

    6. Intramolecular electronic communication in a dimethylaminoazobenzene ­ fullerene C60 dyad: an experimental and TD-DFT study
      K. Senthil Kumar and Archita Patnaik
      J. Computational Chemistry, 31 (6), 1182 ­ 1194, 2010

    7. Novel Crown Ether-Capped Cationic Gold Nanoclusters in an Aqueous Medium and their Single-Electron Charging Features
      Biji, P. and Patnaik, A.
      Langmuir; 23, 12048 -12054, 2007

    8. Electrical rectification from a fullerene[60]-dyad based metal­organic­metal junction"
      S. Shankara Gayathri and Archita Patnaik
      Chemical Communications, 2006, 1977 - 1979

    9. Polarized near-edge x-ray absorption fine structure spectroscopy of C60-functionalized 11-Amino-1-Undecane thiol self-assembled monolayer : Molecular orientation and evidence for C60 aggregation
      Archita Patnaik, Koji K.Okudaira, Hiroyuki Setoyama, Kajuhiko Mase and Nobuo Ueno
      J. Chem. Phys., 122, 154703 ­ 154709, 2005

    10. A new fullerene C60-didodecyloxybenzene dyad: An evidence for ground state electron transfer
      S. Shankara Gayathri and Archita Patnaik
      Chem. Phys. Lett. 414 (1-3), 198­203, 2005

    11. Surface / Interface Electronic Structure in C60 anchored aminothiolate self-assembled monolayer: an approach to molecular electronics
      Archita Patnaik, Koji K.Okudaira, Hiroyuki Setoyama and Nobuo Ueno
      J. Chem.Phys., 120 (13) , 6214 ­ 6221, 2004

    12. Electron transport across fractal -like nanocrystalline clusters in N+ ion-beam induced poly (phenylene oxide)
      A. Das, S. Dhara and A. Patnaik
      J.Chem.Phys. 114 (19), 8573 - 8582, 2001

    13. Fractal nature of p-bonded nanocrystalline clusters: a N+ beam induced phenomena.
      A. Das, S. Dhara and Patnaik A.
      Phys. Rev. B59 , 11069 - 11076, 1999

    14. Electron transport across fractal -like nanocrystalline clusters in N+ ion-beam induced poly (phenylene oxide)
      A. Das, S. Dhara and A. Patnaik
      J.Chem.Phys. 114 (19), 8573 - 8582, 2001

    15. Surface-confined crown ether-capped gold nanoclusters: investigation on their electrochemical behavior
      Biji P. and Archita Patnaik
      J. Nanopart Res., 14:1005, 1 -10, 2012

    16. II. 3D Bulk Phase Tailored Self-assembles: Structure and Dynamics

    17. Fibrous Gels of Cetylpyridinium Chloride in Binary Solvent Mixtures: Structural Characteristics and Phase Behavior
      Illa Ramakanth, Ramesh Nivarthi and Archita Patnaik
      J. Mater. Chem., 2012, 22, 17842-17847

    18. Novel Two-Component Gels of Cetylpyridinium Chloride and the Bola-amphiphile 6-Amino Caproic Acid: Phase Evolution and Mechanism of Gel Formation
      Illa Ramakanth and Archita Patnaik
      J. Phys. Chem. B, 2012, 116 (9) 2722-2729

    19. Solvent Polarity Tunable Dimeric Association of a Fullerene (C60) ­ N, N ­ dimethylaminoazobenzene Dyad: Modulated Electronic Coupling of Azo Chromophore with Substituted 3D Fullerene (C60)
      K. Senthil Kumar and Archita Patnaik
      Chemistry - A European J. 17, 5327 -5343, 2011

    20. Equilibrium Structure and Dynamics of (2R, 3R)-(+)-bis(decyloxy)succinic Acid at the Air-Water Interface.
      Shankar, B. V.; Patnaik, A.
      Langmuir, 24, 758-766, 2008

    21. Unilamellar Composite vesicles and Y-Junctions from Pristine Fullerene C60"
      Illa Ramakanth , B. Vijai Shankar and Archita Patnaik
      Chem Commun., 2008, 4081

    22. Characteristics of solubilization and encapsulation of fullerene C60 in non-ionic Triton X-100 micelles
      Illa Ramakanth , Archita Patnaik
      Carbon, 40(4), 692-698, 2008

    23. Chiral cones and vesicles from Gemini-type fatty acid­heteroditopic amine Mixtures.
      B. Vijai Shankar and Archita Patnaik
      Soft Matter, 2008, 4, 1713 -1717 [published as an Advanced Article]

    24. A New pH and Thermo-Responsive Chiral Hydrogel for Stimulated Release.
      Shankar, B. V.and Patnaik, A.
      J. Phys. Chem. B 2007, 111(31), 9294-9300 [Most accessed article, july-november, 2007]

    25. Structure and dynamics in self-organized C60 fullerenes
      Archita Patnaik
      J. Nanoscience and Nanotechnology (Special Issue on ' Fullerenes and Nanotubes', 7, 1111-1150, 2007 [Invited (peer-reviewed) Review Article]

    26. Aggregation of a C60-Didodecyloxybenzene Dyad: Structure, Dynamics, and Mechanism of Vesicle Growth
      Gayathri, S. S.; Patnaik, A.
      Langmuir, 2007; 23(9), 4800-4808

    27. pH dependent chiral vesicles from enantiomeric 2,3 bis(decyloxy) succinic acid in aqueous solution
      B. Vijai Shankar and Archita Patnaik
      Langmuir, 23, 3523 ­ 3529, 2007

    28. Bilayer vesicles as precursors for spherical fractal aggregates from the self-assembly of a C60-fullerene-dyad in polar solvent
      S. Shankara Gayathri and Archita Patnaik
      J.Chem.Phys.124(1),131104-131108, 2006 (Also published in theVirtual Journal of Nanoscience and Nanotechnology, 13 (15))

    29. Structure and Dynamics in solvent polarity induced aggregates from a fullerene C60 based dyad
      S. Shankara Gayathri, Amit K. Agarwal, K.A. Suresh, Archita Patnaik
      Langmuir, 21(26), 12139 -12145, 2005

    30. C60 aggregate structure and geometry in non-polar o-Xylene
      Alok D. Bokare and Archita Patnaik
      J. Phys. Chem.B 109, 87-92, 2005

    31. Rotational flexibility in NH4+ - encapsulated 18­Crown­6 studied by molecular dynamics and positron annihilation
      Alok D. Bokare and Archita Patnaik
      J. Phys. Chem. A 109(7), 1269-1271, 2005

    32. Self-organization of C60 nanoparticles in Carbon Disulphide solution
      Alok D. Bokare and Archita Patnaik
      J. Phys. Chem.B 107(25), 6079 ­ 6086, 2003

    33. Microscopic diffusion model applied to C60 fullerene fractals in Carbon Disulphide solution
      Alok D. Bokare and Archita Patnaik
      J. Chem.Phys. 119 (8), 4529 - 4538, 2003

    34. Establishing a kinetic control regime for the decomposition of brominated fullerene derivatives : C60Br24 and C60Br6
      S. Shankara Gayathri, M.Kamruddin, A.K.Tyagi and Archita Patnaik
      Chemical Physics Letters, 374, 33-40, 2003

    35. Evidence for C60 aggregation in carbon disulphide from solvent effects in [Ps-C60] molecular complex formation
      Alok D. Bokare and Archita Patnaik
      Carbon, 41(13), 2643-2651, 2003

    36. Orientational ordering in polymorphic terepthal-bis-4-butylaniline
      Alok D. Bokare, Dipankar Das, Heinz Amenitsch and Archita Patnaik
      Solid State Communications 122(6) , 329 ­ 333, 2002

    37. Recoil Tritium - C60 Interaction: A Channel for Endohedral Encapsulation of Tritium in C60
      Rashmi R. Sahoo, Alok D. Bokare and Archita Patnaik
      Carbon, 40, 2453-2460, 2002

    38. Thermal Desorption of 3He from T@C60
      Rashmi R.Sahoo and Archita Patnaik
      Chem. Phys. Lett., 349, 201-209, 2001

    39. III. Interfacially Confined 2D Assemblies: Molecular Interaction and Orientation

    40. Establishing the Ellipsoidal Geometry of a Benzoic Acid-Based Amphiphile via Dimer Switching: Insights from Intramolecular Rotation and Facial H-Bond Torsion
      Nivarthi Ramesh, Nirod Kumar Sarangi, and Archita Patnaik
      J. Phys. Chem. B 2013 117, 5345­5354

    41. Structure-Directing Tryptophan for Supported DPPC Helices and Fractals: An Alkyl-Chain Tilt-Angle Dependence.
      Nirod Kumar Sarangi and Archita Patnaik
      ChemPlusChem, 2012, 77, 898­907

    42. Unraveling Tryptophan Modulated 2D DPPC Lattices: An Approach Toward Stimuli Responsiveness of the Pulmonary Surfactant
      Nirod Kumar Sarangi and Archita Patnaik
      J. Phys. Chem. B, 115(46), 13551-13562, 2011

    43. Chiral Discrimination of a Gemini-Type Surfactant with Rigid Spacer at the Air-Water Interface
      Shankar, B.V. and Patnaik, A.
      J. Phys. Chem. B.,111(39),11419-11427, 2007

    44. Interfacial behavior of brominated fullerene (C60Br24) and stearic acid mixed Langmuirfilms at air-water interface
      S. Shankara Gayathri and Archita Patnaik
      Chem.Phys.Lett. 433, 317 ­ 322, 2007

    45. Surface Pressure Driven Supramolecular Architechtures from mixed H-aggregates of a Dye capped azobenzene derivative
      B.V. Shankar and Archita Patnaik
      Langmuir, 22, 4758 ­ 4765, 2006

    46. J ­ aggregates in matrix-stabilized two dimensional Azobenzene derivatives
      B.V. Shankar and Archita Patnaik
      J. Colloid and Interf. Sci., 302, 259 ­ 266, 2006

    47. Surface confined self-assembled Fullerene nanostructures: a microscopic study
      Rashmi R. Sahoo and Archita Patnaik
      Appl. Surf. Sci., 245 (124), 26-38, 2005

    48. Binding of fullerenes to gold surface functionalized by self-assembled monolayers of 8- mino-1-octane thiol: A structure elucidation
      Rashmi R. Sahoo and Archita Patnaik
      J. Colloid and Interf. Sci. 268, 43-49, 2003

    49. Interface configuration and adhesion in Au-polycarbonate bilayer structure : Influence of 27Al+ ion mixing
      Archita Patnaik and Changlin Li
      J.Vac.Sci.Tech.A, 19 (3), 848 ­ 855, 2001

    50. Interface configuration in Au / Polycarbonate bilayer structure: an in-situ study through Ar+ion depth profiling
      Archita Patnaik and Changlin Li
      Appl. Surf. Sci. 140 , 197 - 203 , 1999

    51. Evidence for metal interaction in gold metallized polycarbonate films: an X-ray photoelectron spectroscopy investigation
      Archita Patnaik and Changlin Li
      J. Appl. Phys. 83 (6), 3049-3056, 1998

    52. Non-Covalent Approaches to Facile Synthesis of Dimension-Specific H and J-Aggregates
      Archita Patnaik,
      J-Aggregates: Volume 2, 342 -401, 2012 World Scientific publishing, edited by Takayoshi Kobayashi


    Completed 7 sponsored projects from DST, DRDO, CSIR and DAE of total value Rupees one crore ninety four lakhs fifty one thousand four hundred seventy four.

    The latest project being " Molecular scale interface engineering with self-organized donor-bridge-acceptor structures: Electron transport in single molecular junctions". Sponsor :Department of Science and Technology, New Delhi, value : Rupees one crore twelve lakhs

    Human Resource Trained:

  • Advised 8 Ph.D and 14 M.Sc degrees and one Postdoc during 1992 - 2013
  • Currently supervising 7 graduate students and one masters student

  • Fabrication of Laboratory Infrastructure:

    1. Pico-second Positron Lifetime Spectroscopy and High Energy γ-ray Spectroscopy laboratories were set up with cryogenic arrangement in 1997 for investigating phase transitions, self-organization and structure -function relationships in functional materials.

    2. A real time 2D polarized and angle dependent FT- Reflection - Absorption Spectroscopy set up was established in 2007-08 for studying 2D anisotropy and quantification of molecular order for directed electron transport across bio-inspired amphiphilic monolayers and membranes.

    Conference Organized:

  • Organized an International Conference on "Functional Materials: Controlled Synthesis, Discreet Molecular Processes and Engineering" during Nov.27 -29, 2008, on the occasion of the Golden Jubilee year of IIT Madras

  • Book and Research Papers Reviewed

  • "Supramolecular Soft Matter towards Organic/Polymeric Electronics": By Takashi Nakanishi, John Wiley & Sons, 2009

  • Reviewed scientific papers for American Chemical Society [J. Phys. Chem.A & B, Langmuir, J. Am.Chem. Soc. etc.], Royal Society of Chemistry [Chem.Commun., Materials Chem., PCCP], Wiley publications [ Small, Functional Materials], Springer and Elsevier, Indian J. Chemistry and J. Chemical Sciences.