Pradeep R Nair

Associate Professor, EE, IIT Bombay

prnair.jpg

Research Interests

I am interested in modeling and simulation of technologically relevant cross-disciplinary problems (see below) where electronic devices may find new applications. Our research is always defined by close collaboration with experimentalists and theorists from other disciplines – because most fruitful research are always inspired and grounded by experimental observation and often occurs at the boundaries of multiple disciplines.

  • Nanoscale devices for energy conversion.

Current projects address various issues related to Organic Solar cells, Perovskite based solar cells, optics of nanostructured devices, etc.

  • Nanoscale devices for Healthcare applications.

Current projects include design and optimization of novel nanoscale electronic biosensors for better sensitivity, faster response time, and better selectivity (for both in vivo and in vitro applications).

  • Semiconductor device physics and reliability.

Modeling and simulation of Organic electronic (e.g., OFET) and optoelectronic devices (e.g., OLED). We also look into reliability aspects of semiconductor devices (e.g., NBTI).

  • Nanoelectromechanical systems (NEMS).

NEMS based bio/chemical sensors, switches, and energy conversion devices.

Google scholar citations http://scholar.google.co.in/citations?user=dZwSVFMAAAAJ&hl=en

Academic Background

Ph. D.        School of ECE, Purdue University, West Lafayette, IN, USA  2009.
M. Tech.      EE, Indian Institute of Technology (IIT), Bombay, India  2004.
B. Tech.      ECE, National Institute of Technology (NIT), Calicut, India   2002.

Work Experience

Associate Professor, EE, IIT Bombay (since Dec 2015).
Assistant Professor, EE, IIT Bombay (Nov 2011 - Nov 2015).
Post–doctoral research (School of ECE, Purdue University, 2009 – 2011).

Awards and Honors

Excellence in Teaching Award: IIT Bombay, 2015.

Outstanding Dissertation Award: Dimitris N. Chorafas Foundation, 2009.

Outstanding Dissertation Award: School of ECE, Purdue University, 2009.

Other Professional Activities

Member of IEEE

Reviewer for the following journals:

Applied Physics Letters, Journal of Applied Physics, IEEE Electron Devices Letters, IEEE Transactions on Electron Devices, IEEE Transactions on Nanotechnology, IEEE Transactions on Biomedical Engineering, IEEE Transactions on Industrial Electronics.

Contact Information

Department of Electrical Engineering
IIT Bombay, Powai
Mumbai 400 076, India
Email : prnair[AT]ee.iitb.ac.in
Phone (Internal(O)) : (0091 22) - 2576 9447
Office room no: A109, EE Annexe (First floor)

List of Publications

(reverse chronological order)

Journal Publications

[35] “Modeling based screening for optimal carrier selective material for Si based solar cells,” N. Chatterji, A. Antony, and P. R. Nair (under review) , (https://arxiv.org/abs/1704.06604:).
[34] “Pinhole induced efficiency variation in Perovskite Solar Cells,” S. Agarwal, and P. R. Nair (under review) , (https://arxiv.org/abs/1704.06605).
[33] “Predictive Modeling of Ion Migration Induced Degradation in Perovskite Solar Cells,” V. Nandal, and P. R. Nair (under review) , (https://arxiv.org/abs/1704.06603).
[32] “Efficient Organic Photovoltaics with Improved Charge Extraction and High Short Circuit Current,” M. Mohan, V. Nandal, S. Paramadam, K. Reddy, S. Ramkumar, S. Agarwal, C. Gopinath, P. R. Nair, and M. A. G. Namboothiry, Journal of Physical Chemistry C, (2017).
[31] “Stable p–i–n FAPbBr3 Devices with Improved Efficiency Using Sputtered ZnO as Electron Transport Layer,” A. S. Subbiah, S. Agarwal, N. Mahuli, P. R. Nair, M. van Hest, and S. K. Sarkar, Advanced Materials Interfaces, (2017).
[30] “Device Engineering of Perovskite solar cells to achieve near ideal efficiency,” S. Agarwal, and P. R. Nair, Applied Physics Letters, 107, 123901 (2015).
[29] “Multi-Probe Characterization of Inversion Charge for Self-Consistent Parameterization of HIT Cells,” R. Chavali, S. Khatavkar,, C. V. Kannan, V. Kumar, P. R. Nair, J. Gray, and M. A. Alam, IEEE Journal of Photovoltaics, 5, 725-735, 2015.
[28] “On the Uniqueness of Ideality Factor and Voltage Exponent of Perovskite-Based Solar Cells,” S. Agarwal, M. Seetharaman, M. Kumawat, A. Subbiah, S. Sarkar, D. Kabra, M. A. G. Namboothiry, and P. R. Nair, Journal of Physical Chemistry Letters, 5, 4115-4121 (2014).
[27] “Determination of effective lifetime of excess carriers in silicon heterojunction cells from frequency dependence of modulated electroluminescence,” S. Khatavkar, M. Kulasekaran, C. V. Kannan, V. Kumar, P. R. Nair, and B. M. Arora, IEEE Journal of Photovoltaics, (under review).
[26] “Role of Injection Barrier in Capacitance Voltage measurements of Organic Devices,” A. Nigam, P. R. Nair, M. Premaratne, and V. R. Rao, IEEE Electron Devices Letters, 35, 581-583(2014).
[25] “On the validity of unintentional doping densities extracted using Mott Schottky analysis for thin film organic devices,” A. Nigam, M. Premaratne, and P. R. Nair, Organic Electronics, 14, 2902-2907(2013).
[24] “Investigation of effect of ionizing radiation exposure on material properties of organic semiconducting oligomer - Pentacene,” H. N. Raval, D. S. Sutar, P. R. Nair and V. R. Rao, Organic Electronics, 14,1467-1476 (2013).
[23] “A compact analytical formalism for current transients in electrochemical systems”, P. R. Nair and M. A. Alam, Analyst 138, 525, (2013).
[22] “Theory of signal and noise in double-gated nanoscale electronic pH sensors”, J. Go, P. R. Nair, and M. A. Alam, Journal of Applied Physics ,(2012).
[21] “Coupled Heterogeneous Nanowire–Nanoplate Planar Transistor Sensors for Giant (>10 V/pH) Nernst Response”, J. Go, P. R. Nair, B. Reddy, B. Dorvel, R. Bashir, and M. A. Alam, ACS Nano,(2012).
[20] “Flexure FET biosensors to break the fundamental sensitivity limits of nanobiosensors using nonlinear electromechanical coupling”, A. Jain, P. R. Nair, and M. A. Alam, Proceedings of the National Academy of Sciences (PNAS) USA,(2012).
[19] “Prospects of Nanowire-Doped Polycrystalline Graphene Films for an Ultratransparent, High Conductive Electrode”, C. Jeong, P. R. Nair, M. Khan, M. Lundstrom, and M. A. Alam, Nanoletters,(2011).
[18] “Strategies for Dynamic Soft-Landing in Capactive Microelectromechanical Switches”, A. Jain, P. R. Nair, and M. A. Alam, Applied Physics Letters, 98, 234104, (2011).
[17] “Annealing Dependent Performance of Organic Bulk-Heterojunction Solar Cells: A Theoretical Perspective”, B. Ray, P. R. Nair, and M. Alam, Solar Energy Materials and Solar Cells, (2011).
[16] “Silicon Field Effect Transistors as Dual-Use Sensor-Heater Hybrids,” B. Reddy, O. Elibol, P. R. Nair, B. Dorvel, F, Butler, Z. Ahsan, D. Bergstrom, M. A. Alam, and R. Bashir, Analytical Chemistry, (2011).
[15] “High-k dielectric Al2O3 nanowire and nanoplate field effect sensors for improved pH sensing,” B. Reddy, B. Dorvel, J. Go, P. R. Nair, O. Elibol, C. Credo, J. Daniels, E. Chow, X. Su, M. Varma, M. A. Alam, and R. Bashir, Biomedical Microdevices, (2011).
[14] “Theoretical Detection Limits of Magnetic Biobarcode Sensors and the Phase Space of Nanobiosensing”, P. R. Nair and M. A. Alam, Analyst, vol. 135, pp. 2798 (2010).
[13] “Kinetics of Surfaces Defined by Finite Fractals”, P. R. Nair and M. A. Alam, Fractals, vol. 4, pp. 461 (2010).
[12] “Theory of ‘Selectivity’ of label-free nanobiosensors: A geometro-physical perspective”, P. R. Nair and M. A. Alam, Journal of Applied Physics, vol. 107, pp. 064701 (2010).
[11] “Localized heating on silicon field effect transistors: Device fabrication and temperature measurements in fluid”, O. H. Elibol, B. Reddy Jr., P. R. Nair, B. Dorvel, F. Butler, Z. S. Ahsan, D. E. Bergstorm, M. A. Alam and R. Bashir, Lab On a Chip, 9, pp. 2789-2795 (2009).
[10] “Device Considerations for Development of Conductance-Based Sensors,” K. Lee, A. Scott, D. B. Janes, P. R. Nair, and M. A. Alam, Journal of Applied Physics, 105, pp. 102046 (2009).
[9] “Screening Limited Response of NanoBiosensors,” P. R. Nair and M. A. Alam, NanoLetters, 8, 1281 (2008).
[8] “Electrical Detection of the Biological Interaction of a Charged Peptide via Gallium Arsenide Junction Field Effect Transistors,” K. Lee, P. R. Nair, M. A. Alam, and D. B. Janes, H. H. Park, D. Y. Zemlyanov, and A. Ivanisevic , Journal of Applied Physics, 103, 114510 (2008).
[7] “Dimensionally Frustrated Diffusion towards Fractal Adsorbers,” P. R. Nair and M. A. Alam, Physical Review Letters, 99, 256101 (2007).
[6] “Design Considerations of Silicon Nanowire Biosensors,” P. R. Nair and M. A. Alam, IEEE Transactions on Electron Devices, 54, 3400 (2007).
[5] “Investigation of Drain Disturb in SONOS Flash EEPROMs,” P. B. Kumar, R. Sharma, P. R. Nair, and S. Mahapatra, IEEE Transactions on Electron Devices, 54, 98 (2007).
[4] “Lateral Profiling of Trapped Charge in SONOS Flash EEPROMs Programmed Using Channel Hot Electron Injection,” P. B. Kumar, P. R. Nair, R. Sharma, S. Kamohara and S. Mahapatra, IEEE Transactions on Electron Devices, 53, 698 (2006).
[3] “Performance limits of nanobiosensors: elementary considerations and interpretation of experimental data,” M. A. Alam, and P. R. Nair, Nanomedicine: Nanotechnology, Biology and Medicine, 2, 310 (2006). (Conference Proceedings as special issue).
[2] “Anomalous resonance of nanocantilever biosensors,” A. K. Gupta, P. R. Nair, D. Akin, M. Ladisch, S. Broyles, M. A. Alam and R. Bashir, Proceedings of the National Academy of Sciences, 103(36), 13362, (2006).
[1] “Performance Limits of Nanobiosensors,” P. R. Nair and M. A. Alam, Applied Physics Letters, 88, 233120 (2006).

Conference proceedings

[44] “Experimental and Simulation studies on TiO 2 /Silicon Heterojunction diodes,” S. Bhatia, N. Raorane, N. Sreekumar, P. R. Nair, and A. Antony, IEEE PVSC 2017.
[43] “Deep Level Transient Spectroscopy measurements of Si Heterojunction Solar cells,” S. Khatavkar, C. V. Kannan, V. Kumar, P. R. Nair, and B. M. Arora, IEEE PVSC 2017.
[42] “Performance prediction for large area perovskite solar cells,” Y. Raote, H. Choubisa, and P. R. Nair, IEEE PVSC, 2017.
[41] “Anomalous efficiency scaling with dark current in perovskite solar cells,” V. Nandal and P. R. Nair, IEEE PVSC, 2017.
[40] “Practical Performance Limits of FAPbBr 3 Perovskite Solar Cells,” S. Agarwal, A. S. Subbiah, S. K. Sarkar, and P. R. Nair, DAE solid state symposium, Kolkata, 2016.
[39] “Quantum capacitance and electrolyte screening effects in graphene biosensors,” J. Doshi, and P. R. Nair, IEEE ICEE, Mumbai, 2016.
[38] “Optimal transport layers of perovskite solar cells,” V. Nandal, and P. R. Nair, IEEE ICEE, Mumbai, 2016.
[37] “Threshold trap density for valid Mott Schottky analysis in carrier selective optoelectronic devices,” V. Nandal, and P. R. Nair, EUPVSEC, Munich, 2016.
[36] “Silicon Oxynitride–Silicon Nitride Surface Passivation of P-Type C-Si Solar Cells with Laser Fired Rear Contacts,” S. Bhatia, S. Kothari, N. Raorane, S. Lodha, P. R. Nair, and A. Antony, EUPVSEC, Munich, 2016.
[35] “Minority carrier lifetime enhancement of c-Si/TiO2 heterojunction by post deposition annealing,” A. Soman, S. Mondal, S. Bhatia, B. Arunachalam, S. Kumbhar, S. Saravanan, P. R. Nair, and A. Antony, EUPVSEC, Munich, 2016.
[34] “Effect of interface charges on the efficiency of perovskite based solar cells,” A. Lele, S. Pinjani, M. T. Patel, V. Nandal, S. Agarwal, and P. R. Nair, IEEE PVSC, Portland, 2016.
[33] “Numerical Investigation of CFT technique for Perovskite solar cells,” V. Nandal and P. R. Nair, IEEE PVSC, New Orleans, 2015.
[32] “Device Characterization and Performance Optimization of Perovskite Solar Cell using Opto-Electronic Modeling,” S. Agarwal and P. R. Nair, Hybrid and Organic Photovoltaics Conference, Rome, Italy 2015.
[31] “Performance Optimization for Perovskite based Solar Cells,” S. Agarwal and P. R. Nair, IEEE PVSC, 2014.
[30] “A critical re-analysis on the role of back surface passivation for a-Si/c-Si heterojunction Solar Cells,” N. Chatterji, S. Khatavkar, C. Voz, A. M. Vilches, J. Puigdollers, B. M. Arora, A. Aldrin, and P. R. Nair, IEEE PVSC 2014.
[29] “Modulated electroluminescence technique for determination of minority carrier lifetime of solar cells ”, S. Khatavkar, M. Kulasekaran, C. V. Kannan, V. Kumar, P. R. Nair, and B. M. Arora, IEEE PVSC, 2013.
[28] “Implementation of stochastic reaction diffusion models for NBTI”, T. Naphade, N. Goel, P. R. Nair, and S Mahapatra, IRPS 2013.
[27] “Extended gate biosensors achieve fluid stability with no loss in charge sensitivity”, P. Dak, P. R. Nair, J. Go and M. A. Alam, Device Research Conference 2013.
[26] “Anomalous charge storage exponents of organic bulk heterojunction solar cells”, P. R. Nair, R. Dwivedi, and G. Kumar, APS March meeting, 2013
[25] “The Physics of Nanonet Fabrics and Its Application in Electronic, Optoelectronics, Biosensing, Energy Storage, and MEMS Applications”, M. A. Alam, S. Kumar, N. Pimparkar, P. Nair, J. Go. And A. Jain, 219the ECS Meeting, vol. 35(3), pp. 55-65, 2011
[24] “Beating the Nernst Limit of 59 mV/dec by Double Gated Nano-Scale Field-Effect Transistors and Its Applications to Ultra-Sensitive DNA Biosensors”, J.-H. Go, P. Nair, B. Reddy, R. Bashir, M. Alam, International Electron Device Meeting, 2010.
[23] “Morphology Dependent Short Circuit Current In Bulk Heterojunction Solar Cell”, Biswajit Ray, Pradeep R. Nair, And M. A. Alam, IEEE Photovoltaic Specialists Conference, pp. 85-89, June, 2010.
[22] “Fabrication and characterization of silicon nanoplates for biosensing applications”, B. Dorvel, O. Elibol, J. Reddy, P. R. Nair, A. Alam, R. Bashir, 237th National Meeting of the American Chemical Society (ACS), Salt Lake City, Poster Presentation, Monday, March 23, 2009.
[21] “Silicon nanoplate arrays: Implications for biosensing and electronic label-free detection”, B. Dorvel, O. Elibol, J. Reddy, P. Nair, A. Alam, R. Bashir, 237th National Meeting of the American Chemical Society (ACS), Salt Lake City, Oral Presentation, Monday, March 23, 2009.
[20] “SOI Nanofet Devices for Ultra-Sensitive Detection of Biomolecules,” Bobby Reddy, Jr., Oguz H. Elibol, Brian R. Dorvel, Pradeep R. Nair, Muhammad A. Alam, and Rashid Bashir, Biophysical Society Annual Meeting, March 1, 2009.
[19] " Nanobiosensors: Modeling Challenges”, P. R. Nair, and M. A. Alam, SISPAD, 2009.
[18] " Modeling and Optmization of Bulk Heterojunction Solar Cells”, B. Ray, P. R. Nair, and M. A. Alam, IEDM, 2009.
[17] " Cantor Transforms for Random Systems”, P. R. Nair and M. A. Alam, NCN Student Seminar, 2009.
[16] " Predictive Model for Label-Free detection of Biomolecules”, P. R. Nair and M. A. Alam, APS March meeting, 2008.
[15] " Theory and Practice of Modern Nanobiosensors”, M. A. Alam and P. R. Nair, ULIS 2008, Udine, Italy (Plenary Talk).
[14] " Physics of Nanoscale biosensors”, P. R. Nair, J. Go, and M. A. Alam, Molecular Conduction Workshop, Purdue University, 2007.
[13] " Scaling Challenges of Nanoscale biosensors”, P. R. Nair and M. A. Alam, Nano DDS, Washington DC, June 18-20, 2007 (Invited Talk).
[12] " Performance Limits of Nano-composite Transistors and Nanobio-Sensors: A Bottom-up Perspective”, M. A. Alam, N. Pimparkar, S. Kumar, P. R. Nair, J. Murthy, 65th International Device Research Conference, Notre Dame, June 18-20, 2007 (Invited Talk).
[11] " Scaling Limits of Nanoelectromechanical Sensors”, M. A. Alam, P. R. Nair, and R. Bashir, International Workshop on Nanomechanical Sensors, Montreal, May 27-30, 2007(Invited Talk).
[10] " Performance Limits and Design Considerations of Nanobio Sensors”, M. A. Alam, and P. R. Nair, 208 ECS Meeting: Symposium on Bioelectronics, Biointerfaces, and Biomedical Interfaces, Cancun, Mexico, Oct. 29-Nov. 3, 2006 (Invited Talk).
[9] " Performance Limits of Nanobio Sensors”, M. A. Alam, and P. R. Nair, The 2nd Meeting of American Academy of Nanomedicine, National Academy of Sciences, Washington, Sept. 9-10, 2006 (Invited Talk).
[8] " Geometry of Diffusion defines Performance of Nanobio Sensor”, M. A. Alam and P. R. Nair, 4th Annual Molecular Conduction and Sensors Workshop, Charlottesville, VA, July 26-28, 2006 (Invited Talk)
[7] “Predictive Model for Label-free Electrical Detection of Bio-molecules,” P. R. Nair and M. A. Alam, APS March Meeting, New Orleans, Louisiana (2008).
[6] “Simulation of Nanobiosensors,” M. A. Alam, and P. R. Nair, IEEE-Nano, Hong-Kong, Aug. 2-5, 2007 (Invited Talk).
[5] “Simulation of Silicion Nanowire Bio-sensors,” P. R. Nair and M. A. Alam, Device Research Conference, 2006.
[4] “Simulation of Electronic Detection of DNA,” P. R. Nair and M. A. Alam, Workshop on Electronic Detection of Bio-molecules, 2005.
[3] “Selective Heating Characterization of Nanoplate Devices for Sensing Applications,” O.H. Elibol, B. Reddy, Jr., P. R. Nair, M.A. Alam ,D.E. Bergstrom and R. Bashir, NSTI Nanotech Conference, Santa Clara, CA, May 20-24, 2007.
[2] " A Comprehensive Trapped Charge Profiling Technique for SONOS Flash EEPROMS,” P. R. Nair, P. B. Kumar, R. Sharma, S. Kamohara and S. Mahapatra, IEEE Electron Devices Meeting (IEDM),(2004).
[1] " Drain Disturb Mechanism in SONOS Flash EEPROMS,” P. B. Kumar, R. Sharma, P. R. Nair, D. R. Nair, S. Kamohara, S. Mahapatra and J. M. Vazi, IEEE Reliability Physics Symposium (IRPS),(2005).

 
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