Dr. Ayash Kanto Mukherjee

Dr. Ayash Kanto Mukherjee Asst. Professor Ph.D, IISc Bangalore Ph: +91-612-255 2016 Fax: +91-612-227 7383 akm[*AT]iitp.ac.in Research Areas : Transport in Conjugated Polymer, Metal-Organic Semiconductor interface, Organic electronic Devices, Molecular Electronics Research and Development : Area of Expertise Research and Development activities & Significant recent contributions Transport in conjugated polymers, Organic electronic devices, Molecular electronics Past few decades, organic semiconductors (OS) have caught the attention many research groups because of the many physical advantages that OS offers over silicon counterpart. My research interest is in theoretical as well as experimental investigations in organic electronic devices. The work is doubly pronged, namely, Numerical/Simulation of I-V characteristics and physics based modelling. Also, fabrication of devices in lab and experimental characterization, also form parts of my research. The analysis of data, both experimental and simulated, are focused to unravel nature of charge transport across metal-organic interface and bulk of interface. Various scientific reports have suggested that charge traps, located at interface and bulk, shape the charge dynamics in electronic organic devices. Therefore, determination of parameters pertaining to charge traps and their interplay with hopping mechanism of charge transport is where my current research investigation is focused. PhD Students : Ajaya Kumar Kavala Teaching : PH 102: Physics-II (B. Tech. I yr., Theory & Tutorial) Contributed Chapters : R. Menon and A.K. Mukherjee, Ch.12 (Charge transport in conducting polymers and carbon nanotubes: a comparison, p.287) in Electronic and Optical Properties of Conjugated Molecular Systems in Condensed Phases, edited by Shu Hotta, Research Signpost (2003) R. Menon and A. K. Mukherjee, (Polyaniline fractal nanocomposites, p.715) in Encyclopedia of Nanoscience and Nanotechnology, Vol. 8, edited by H. S. Nalwa, American Scientific Publishers, California (2004) Societal Contribution : Guest Lecture in DAV Public School, Transport Nagar, Patna. Guest lecture in DAV Public School, Hazaribagh on 11th April 2015. Publications : Journal Publications: International Journal of Modern Physics B, Vol.28, No.15, (2014) 1450088. Modern Physics Letters B, Vol. 29, No. 28 (2015) 1550172. Tae-in Jeon, D. Grischkowsky, A. K. Mukherjee and R. Menon, Electrical characterizaton of conducting polypyrrole by THz time domain spectroscopy, Applied Physics Letters, 77(16), 2452 (2000). Tae-in Jeon, D. Grischkowsky, A. K. Mukherjee and R. Menon, Electrical and optical characterizaton of conducting poly-3-methylthiophene film by THz time domain spectroscopy,Applied Physics Letters, 79(25), 4142 (2001). I. J. Romijn, H. J. Hupkes, H. C. F. Martens, H. B. Brom, A. K. Mukherjee and R. Menon, Carrier dynamics in conducting polymers: Case of PF6 doped Polypyrrole, Physical Review Letters, 90(17), 176602 (2003). H. B. Brom, H. C. F. Martens, I. G. Romijn, I. N. Hulea, H. J. Hupkes, W. F. Pasveer, M. A. J. Michels, A. K. Mukherjee and R. Menon, Charge carrier properties below and above the metal-insulator transition in conjugated polymers recent results, Physica status solidi (c), 1(1), 144 (2004). A. K. Mukherjee and R. Menon, Magnetotransport in doped Polyaniline, Journal of Physics Condensed Matter, 17(12), 1947 (2005). Tae-in Jeon, Keun-Ju Kim, A. K. Mukherjee and R. Menon, THz time domain spectroscopy of doped poly p-phenylene vinylene (MEH-PPV), Synth. Met., 150, 53 (2005). A. K. Thakur, A. K, Mukherjee, D. M. G. Preethichandra, W. Takashima and K. Kaneto, Charge injection mechanism across Au-poly(3-hexylthiophene-2,5-diyl) interface, Journal of Applied Physics, 101, 104508 (2007). A. K. Mukherjee, A. K. Thakur, W. Takashima and K. Kaneto, Minimization of contact resistance between metal and polymer by surface doping, Journal of Physics: D Applied Physics,40, 1789 (2007). A. K. Mukherjee and R. Menon, Molecular recognition in doped polyaniline, Applied Biochemistry & Biotechnology, 96(1-3), 145 (2001). A. K. Mukherjee and R. Menon, Role of mesoscopic morphology in charge transport in doped polyaniline, Pramana, 58(2), 233 (2002) Conference Publications: R. Menon and A. K. Mukherjee, Magnetoresistance of polyaniline doped by AMPSA,Synthetic Metals, 119, 427 (2001) M. Ahlskog, A. K. Mukheree and R. Menon, Low temperature conductivity of metallic conducting polymers, Synthetic Metals, 119, 457 (2001) Tae-in Jeon, D. Grischkowsky, A. K. Mukherjee and R. Menon, Electrical and optical characterization of conducting polymers by THz time-domain spectroscopy, Synth. Met.,135-136, 451 (2003) I. J. Romijn, H. J. Hupkes, H. C. F. Martens, H. B. Brom, A. K. Mukherjee and R. Menon, The Drude parameters for metallic PF6 doped polypyrrole, Synth. Met., 135-136, 243 (2003)