Publications - Nano Energy-Photonics Group

Edited books and chapters in scholarly books and monographs

J. Thomas, R. A. Norwood and N. Peyghambarian, (Book chapter) “New Directions in Holography and Speckles,” editors: H. J. Caulfield and C. S. Vikram, American Scientific Publishers, California.
J. Thomas “Organic Photorefractive devices” in Handbook of organic materials for optical and optoelectronic devices: properties and applications; Edited by Dr. Oksana Ostroverkhova (In press) Woodhead Publishing Limited.

Refereed Journals

J. Li, F. Madiyar, S. Ghate, K. Kumar, J. Thomas, Plasmonic organic electrochemical transistors for enhanced sensing, Nano Research 2022 (https://doi.org/10.1007/s12274-022-4989-8).
D. Pandey, R. Gurjar, K. S. Kumar, L. N. Henderson, M. D. Tresa, L. Roberson, M. Hussain, N. Dale, J. Thomas., Design Optimization of Energy-Storing Hybrid Supercapacitor Composite for Electric Vehicle’s Body Panel, Energy Technol.,10, 2200726 (2022)
D. Pandey, K. S. Kumar, L. N. Henderson, G. Suarez, P. Vega, H. R. Salvador, L. Roberson, J. Thomas, Energized Composites for Electric Vehicles: A Dual Function Energy-Storing Supercapacitor-Based Carbon Fiber Composite for the Body Panels. Small, 18, 2107053 (2022). N&V: Nature Materials, 21, 380, (2022).
J. Li, P. Dwivedi, K. S. Kumar, T. Roy, K. E. Crawford, J. Thomas, Growing perovskite quantum dots on carbon nanotubes for neuromorphic optoelectronic computing, Advanced Electronic Materials (Cover) 7, 2000535 (2021).
K. S. Kumar, D. Pandey, J. Thomas, High Voltage Asymmetric Supercapacitors Developed by Engineering Electrode Work Functions (Cover), ACS Energy Lett. 6, 3590−3599 (2021).
F. A. Chowdhury, B. Pradhan, Y. Ding, A. Towers, A. Gesquiere, L. Tetard and J. Thomas, Perovskite Quantum Dot-Reduced Graphene Oxide Superstructure for Efficient Photodetection, ACS Applied Materials & Interfaces, 12, 40: (2020).
B. Pradhan, S. Das, J. Li, F. Chowdhury, J. Cherusseri, D. Pandey, D. Dev, A. Krishnaprasad, E. Barrios, A. Towers, A. Gesquiere, L. Tetard, T. Roy, J. Thomas, Ultrasensitive and ultrathin phototransistors and photonic synapses using perovskite quantum dots grown from graphene lattice, Science Advances (Cover story) 6 (7): eaay5225 (2020).
Highlighted: Nature Electronics 3, 132(2020); Science Daily; Adv.Sci. News; EurekAlerts)
J. Cherusseri, D. Pandey, K. S. Kumar, J. Thomas*, L. Zhai*, Flexible Supercapacitor Electrodes using Metal-Organic Frameworks, Nanoscale 2020 (accepted for publication)
K. S. Kumar, N. Choudhary, D. Pandey, Y. Ding, L. Hurtado, H-S Chung, L. Tetard, Y. Jung, J. Thomas, Investigating 2D WS2 supercapacitor electrode performance by Kelvin Probe Force Microscopy, J. Mater. Chem. A, 8, 12699, (2020)
K. S. Kumar, N. Choudhary, D. Pandey, L. Hurtado, H-S Chung, L. Tetard, Y. Jung, J. Thomas, High-performance flexible asymmetric supercapacitor based on rGO anode and WO3/WS2 core/shell nanowire cathode, Nanotechnology, 2020 (accepted for publication)
C. Hart, K. S. Kumar, J. Li, J. Thomas. S. Rajaraman, Investigation of the Enhanced Sensitivity of Interdigitated Electrodes for Cellular Biosensing with Geometric, Nanostructured Surface Area, and Surface Plasmon Resonance Modes, IEEE Journal of Microelectromechanical Systems 2020 (accepted for publication)
S. Venkateshalu, J. Cherusseri, M. Karnan, K.S. Kumar, P. Kollu, M. Sathish, J. Thomas, S-K. Jeong, N. A. Grace, Andrews Nirmala A New Method for the Synthesis of 2D Vanadium Nitride (MXene) and its Application as a Supercapacitor Electrode, ACS Omega 2020 (accepted for publication)
S. J. Varma, J. Cherusseri, J. Li, J. Kumar, E. Barrios, J. Thomas, Quantum dots of two-dimensional Ruddlesden–Popper organic–inorganic hybrid perovskite with high optical limiting properties, AIP Advances 10, 045130 (2020)
J. Cherusseri, D. Pandey, J. Thomas, Symmetric, Asymmetric, and Battery-Type Supercapacitors Using Two-Dimensional Nanomaterials and Composites, Batteries and Supercapacitors 2020 (accepted for publication)
J. Cherusseri, S. J. Varma, B. Pradhan, J. Li, J. Kumar, E. Barrios, M. Z. Amin, A. Towers, A. Gesquiere, J. Thomas, Synthesis of air-stable two-dimensional nanoplatelets of Ruddlesden–Popper organic– inorganic hybrid perovskites, Nanoscale, 2020, 12, 10072.
J. Li, B. Pradhan, S. Gaur, J. Thomas, Predictions and strategies learned from machine learning to develop high-performing perovskite solar cells (2019), Advanced Energy Materials DOI: 10.1002/aenm.201901891.
J. Cherusseri, K. S. Kumar*, D. Pandey, E. Barrios, J. Thomas, Vertically-Aligned Graphene-Carbon Fiber Hybrid Electrodes with Superlong Cycling Stability for Flexible Supercapacitors (2019), Small DOI: 10.1002/smll.201902606.
J. Cherusseri, N. Choudhary, K. S. Kumar, Y. Jung, J. Thomas, Recent trends in transition metal dichalcogenide based supercapacitor electrodes, Nanoscale Horizons, 4, 840 (2019).
Y. Liu, C. Liang, J. Wu, S. J. Varma, Y. Nakanishi, A. Aliyan, A. A. Martí, Y. Wang, B. Xie, J. Kumar, K. Layne, N. Chopra, I. Odeh, R. Vajtai, J. Thomas, X. Peng, W. Yang, P. M. Ajayan, Reflux Pretreatment Mediated Sonication: A New Universal Route to Obtain 2D Quantum Dots, Materials Today, 22, 17 (2019).
K. S. Kumar, J. Cherusseri, J. Thomas, Two-Dimensional Mn3O4 Nanowalls Grown on Carbon Fibers as Electrodes for Flexible Supercapacitors, ACS Omega, 4, 4472 (2019).
J. Cherusseri, K. S. Kumar, N. Choudhary, N. Nagaiah, Y. Jung, T. Roy, J. Thomas, Novel mesoporous electrode materials for symmetric, asymmetric and hybrid supercapacitors, Nanotechnology 30, 202001 (2019).
S. Das, D. Pandey, J. Thomas* (Invited author), T. Roy*, Role of graphene and other 2D materials in solar photovoltaics (Invited review), Accepted for publication in Advanced Materials (2018).
Y. Liu, C. Liang, J. Wu, S. J. Varma, Y. Nakanishi, A. Aliyan, A. A. Martí, Y. Wang, B. Xie, J. Kumar, K. Layne, N. Chopra, I. Odeh, R. Vajtai, J. Thomas, X. Peng, W. Yang, P. M. Ajayan, Reflux Pretreatment Mediated Sonication: A New Universal Route to Obtain 2D Quantum Dots, Accepted for publication in Materials Today (2018).
S. J. Varma, K. S. Kumar, S. Seal, S. Rajaraman, J. Thomas, Fibre-type Solar Cells, Nanogenerators, Batteries and Supercapacitors for Wearable Applications, Advanced Sciences (2018); (DOI) – 10.1002/advs.201800340.
K. Kumar, N. Choudhary, Y. Jung, J. Thomas, Recent Advances in Two-Dimensional Nanomaterials for Supercapacitor Electrode Applications, ACS Energy Lett. 2018, 3, 482−495.
S. J. Varma, J. Kumar, Y. Liu, K. Layne, J. Wu, C. Liang, Y. Nakanishi, A. Aliyan, W. Yang, P. M. Ajayan, J. Thomas , 2D TiS2 Layers: A Superior Nonlinear Optical Limiting Material, Adv. Optical Mater. 1700713 (2017).
N. Choudhary, C. Li, J. Moore, N. Nagaiah, L. Zhai, Y. Jung, J. Thomas, Asymmetric supercapacitor electrodes and devices, Adv. Mater. (Cover story) 1605336, 29, (2017).
Chao Li, Md Monirul Islam, Julian Moore, Joseph Sleppy, Caleb Morrison, Konstantin Konstantinov, Shi Xue Dou, Chait Renduchintala, Jayan Thomas, “Wearable energy-smart ribbons for synchronous energy harvest and storage”, Nature Communications 7, 2016, 13319.
Nitesh Dhasmana, Dalal Fadil, Anupama B Kaul, Jayan Thomas, “Investigation of nonlinear optical roperties of exfoliated MoS2 using Photoacoustic Zscan”, MRS Advances, 2016, pp. 3215-3221.
N. Choudhary, C. Li, H-S. Chung, J. Moore, J. Thomas, Y. Jung, “High-Performance One-Body Core/Shell Nanowire Supercapacitor Enabled by Conformal Growth of Capacitive 2D WS2 Layers”, ACS Nano (2016), DOI: 10.1021/acsnano.6b06111
C. Li, J. Sleppy, N. Dhasmana, M. Soliman, L. Tetard, J. Thomas, “A PCBM-assisted perovskite growth process to fabricate high efficiency semitransparent solar cells”, J. Mater. Chem. A, 4, 11648 (2016).
C. Li, Y. Ding, M. Soliman, J. Lorenzo, N. Dhasmana, P. Chantharasupawong, A. Levlev, A. J. Gesquiere, L. Tetard, J. Thomas, Probing Ternary Solvent Effect in High Voc Polymer Solar Cells Using Advanced AFM Techniques, ACS Appl. Mater. Interfaces, 8, 4730 (2016).
Z. Yu, M. McInnis, J. Calderon, S. Seal, L. Zhai, J. Thomas, “Functionalized graphene aerogel composites for high-performance asymmetric supercapacitors”, Nano Energy, 11, 611 (2015).
Z. Yu, L. Tetard, L. Zhai, J. Thomas, “Supercapacitor electrode materials: Nanostructures from 0 to 3 dimensions”, Energy & Environmental Science, DOI: 10.1039/C4EE03229B (2015).
Z. Yu, J. Moore, J. Calderon, L. Zhai, and J. Thomas, “Coil-Type Asymmetric Supercapacitor Electrical Cables”, Small, 11, 5289 (2015).
Z. Yu, L. Tetard, L. Zhai, J. Thomas, “Supercapacitor electrode materials: Nanostructures from 0 to 3 dimensions”, Energy Environ. Sci.,8, 702 (2015).
Z. Yu, M. McInnis, J. Calderon, S. Seal, L. Zhai, J. Thomas, “Functionalized graphene aerogel composites for high-performance asymmetric supercapacitors”, Nano Energy, 11, 611(2015).
L. Zhai, S. I. Khondaker, J. Thomas, C. Shen, M. McInnis, “Ordered Conjugated Polymer Nano- and Microstructures: Structure Control for Improved Performance of Organic Electronics” (accepted for publication) Nano Today (2014).
Z. Yu, and J. Thomas, “Energy storing electrical cables: Integrating energy storage and electrical conduction” Adv. Mater. 26, 4279-4285 (2014). (Highlighted by Nature in News & Views). Major media coverage includes: Reuters, Yahoo News, USA Today, Huffington Post, Popular Science, Motherboard, IEEE Spectrum, Science & Vie and Science Daily.
P. Chantharasupawong, L. Tetard, J. Thomas, “Coupling Enhancement and Giant Rabi-Splitting in Large Arrays of Tunable Plexcitonic Substrates” J. Phys. Chem. C, 118, 23954 (2014).
Z. Yu, C. Li, D. Abbitt, and J. Thomas, “Flexible, sandwich-like Ag-nanowire/PEDOT:PSS- nanopillar/MnO2 high performance super capacitors” (Cover) J Mater. Chem. A. 2, 10923-10929 (2014).
B. Duong, H. Khurshid, P. Gangopadhyay, J. Devkota, K. Stojak, H. Srikanth, L. Tetard, R. A. Norwood, N. Peyghambarian, M-H. Phan, J. Thomas, “Enhanced Magnetism in Highly Ordered Magnetite Nanoparticle-filled Nanohole Arrays” (Cover), Small 10, 2840-2848 (2014).
B. Duong, Z. Yu, P. Gangopadhyay, S. Seraphin, N. Peyghambarian, J. Thomas, “High throughput printing of nanostructured carbon electrodes for supercapacitors“, Adv. Mater. Interfaces 1,1300014 (2014).
P. Chantharasupawong, C. W.Christenson, R. Philip, L. Tetard, L. Zhai, J. Winiarz, M. Yamamoto , R. R. Nair, J. Thomas, “Photorefractive performances of a graphene-doped PATPD/7-DCST/ECZ composite”, J. Mater. Chem. C, 2, 7639 (2014).
C. M. Liebig, S. H. Buller, P. P. Banerjee, S. A. Basun, P. -A. Blanche, J. Thomas, C. W. Christenson, N. Peyghambarian, D. R. Evans, “Achieving enhanced gain in photorefractive polymers by eliminating electron contributions using large bias fields,” Opt. Exp. 21, 30392 (2013).
A. A. Khosroabadi, P. Gangopadhyay, B. Cocilovo, L. Makai, P. Basa, B. Duong, J. Thomas, R. A. Norwood, “Spectroscopic ellipsometry on metal and metal oxide multi-layer hybrid plasmonic nanostructures plasmonic nanostructures“, Opt. Lett. 38, 3969 (2013).
B. Duong, P. Gangopadhyay, J. Brent, S. Seraphin, R. Loutfy, N. Peyghambarian, J. Thomas, “Printed sub-100nm polymer-derived ceramic structures”, ACS Applied Materials & Interfaces 5,3894 (2013)
Z. Yu, B. Duong, D. Abbitt, J. Thomas, ” Highly Ordered MnO2 Nanopillars for Enhanced Supercapacitor Performance” Adv. Mater. 25, 3302 (2013). Highlighted in IEEE spectrum: http://spectrum.ieee.org/nanoclast/semiconductors/nanotechnology/nanoprinting-technique-enables-high-energy-density-supercapacitors
A. Amooali, P. Gangopadhyay, B. A-T Duong, J. Thomas, A. K. Sigdel, J. J. Berry, T. Gennet, N. Peyghambarian, R. A. Norwood, “Fabrication, Electrical and Optical Properties of Silver, Indium Tin Oxide (ITO) and Indium Zinc Oxide (IZO) Nanostructure Arrays“, Phys. Status Solidi A. 210, 831 (2013).
P. Chantharasupawong, R. Philip, J. Thomas, “Simultaneous optical and photoacoustic measurement of nonlinear absorption“, Appl. Phys. Lett. 102, 041116 (2013)
B. Cocilovo, A. Amooali, S. Shahin, S. Islam, B. A. T. Duong, P. Gangopadhyay, J. Thomas, R. Norwood, “The Effect of Modular Diffraction Gratings on Absorption in P3HT:PCBM Layers“, Appl. Opt. 52, 1025 (2013).
R. Philip, P. Chantharasupawong, H. Qian, R. Jin, J. Thomas, “Evolution of Nonlinear Optical Properties: From Gold Atomic Clusters to Plasmonic Nanocrystals“, Nano Lett. 12, 4661 (2012). Highlighted by SPIE Newsroom, Science Daily, American Institute of Physics, Physics.org
P. Chantharasupawong, R. Philip, T. N. Narayanan, P. M. Ajayan, and J. Thomas “Optical power limiting in fluorinated graphene oxide: An insight into the nonlinear optical properties“, J. Phys. Chem. C 116, 25955 (2012).
B. Duong, P. Gangopadhyay, S. Seraphin, J. Thomas “Multiwall carbon nanotubes grown by thermocatalytic carbonization of polyacrylonitrile“, Carbon 50, 4750 (2012).
P. Chantharasupawong, R. Philip, T. Endo and J. Thomas, “Enhanced optical limiting in nanosized mixed zinc ferrites“, Appl. Phys. Lett. 100, 221108 (2012).
X. Zhu, J. Wang, D. Nguyen, J. Thomas, R. A. Norwood and N. Peyghambarian, “Linear and nonlinear optical properties of Co3O4nanoparticle-doped polyvinyl-alcohol thin films“, Opt. Mater. Exp. 2, 103 (2012).
P. P. Banerjee, S. H. Buller, C. M. Liebig, S. A. Basun, G. Cook, D. R. Evans, P.-A. Blanche, J. Thomas, C. W. Christenson, and N. Peyghambarian, “Time dynamics of self-pumped reflection gratings in a photorefractive polymer“, J. Appl. Phys. 111, 013108 (2012).
J. Thomas, P. Gangopadhyay, E. Araci, R. A. Norwood., N. Peyghambarian, “Nanoimprint by Melt Processing: An Easy Technique to print versatile nanostructures“, Adv. Mater. 23, 4782 (2011).
C. Sheng, Q. Chen, R. A. Norwood, J. Wang, J. Thomas, and N. Peyghambarian, “Simple way for achieving passive all-optical switching of continuous waves lasers using pure nematic liquid crystal“, Appl. Opt., 50, 5788 (2011).
C. W. Christenson, C. Greenlee, B. Lynn, J. Thomas, P.-A. Blanche, R. Voorakaranam, P. St. Hilaire, L. J. LaComb, Jr, R. A. Norwood, M. Yamamoto and N. Peyghambarian, “Interdigitated coplanar electrodes for enhanced sensitivity in a photorefractive polymer“, Opt. Lett. 36, 3377 (2011).
J. Thomas, C. W. Christenson, P.-A. Blanche, M. Yamamoto, R. Norwood, N. Peyghambarian, “Photoconducting polymers for photorefractive 3D display applications“, Chem. Mater. 23, 416 (2011).
P.-A. Blanche, A. Bablumian, R. Voorakaranam, Armen Ordyan, C. Christenson, D. Lemieux, W. Lin, S. Rokutanda, T. Gu, D. Flores, P. Wang, J. Thomas, R. A. Norwood, M. Yamamoto and N. Peyghambarian, “Holographic 3D Telepresence Usi ng Large Arcea Photorefractive Polymer” (Cover story), Nature 468, 80 (2010).
C. W. Christenson, J. Thomas, P-A. Blanche, R. Voorakaranam, R. A. Norwood, M. Yamamoto, N. Peyghambarian,”Grating dynamics in a photorefractive polymer with Alq3 electron traps”, Optics Express, 18, 9358 (2010).
C. W. Christenson, P-A. Blanche, S. Tay, R. Voorakaranam, V. Densmore, P. Saint-Hilaire, T. Gu, W. Lin, D. Flores, M. Yamamoto, J. Thomas, R. A. Norwood, N. Peyghambarian, “Materials for an Updatable Holographic 3D Display”, IEEE Journal of Display Technology, 6 (7) (2010).
P. Gangopadhyay, A. Lopez-Santiago, R. Voorakaranam, R. Himmelhuber, C. Greenlee, J. Thomas, A. Persoons, R. A. Norwood, T. Verbiest, H. Yamada and N. Peyghambarian, “Magnetite-Polymethylmethacrylate Core-Shell Nanocomposites: Applications in All-Optical Magnetometers”, Nonlinear Optics and Quantum Optics, 41, 418 (2010).
J. Thomas, R. Norwood, N. Peyghambarian, “Nonlinear Optical Polymers for Photorefractive Applications” (invited review article), J. Mater. Chem., 19, 7476 (2009).
A. Lopez-Santiago, P. Gangopadhyay, J. Thomas, R. A. Norwood, A. Persoons, N. Peyghambarian, “Faraday rotation in magnetite-polymethylmethacrylate core-shell nanocomposites with high optical quality“, Appl. Phys. Lett. 95, 143302/1-143302/3, (2009).
C. Xiaochun, J. Thomas, P. Gangopadhyay, R. A. Norwood, N. Peyghambarian, D. V. McGrath, “Modification of symmetrically substituted phthalocyanines using click chemistry: phthalocyanine nanostructures by nanoimprint lithography“, J. Am. Chem. Soc. 131, 13840-13843 (2009).
C. X. Sheng, R. A. Norwood, J. F. Wang, J. Thomas, D. Steeves, B. Kimball, N. Peyghambarian, “Nonlinear optical transmission of lead phthalocyanine-doped nematic liquid crystal composites for multiscale nonlinear switching from nanosecond to continuous wave“, Appl. Opt. 48, 2731 (2009).
S. Tay, P-A Blanche, R. Voorakaranam, W. Lin, S. Rokutanda, T. Gu, D. Flores, P. Wang, G. Li, P. St. Hilaire, J. Thomas, R. A. Norwood, M. Yamamoto and N. Peyghambarian, “An updatable holographic three-dimensional display“, Nature 45, 694 (2008).
C. Sheng, R. A. Norwood, J. Wang, J. Thomas, Y. Wu, Z. Zheng, N. Tabirian, D. M. Steeves, B. R. Kimball, and N. Peyghambarian, “Time-resolved studies of photoinduced birefringence in azobenzene dye-doped polymer films“, Appl. Opt. 47, 5074 (2008).
D. T. Nguyen, C. Sheng, J. Thomas, R. A. Norwood, B. R. Kimball, D. M. Steeves, and N. Peyghambarian, “Observation of nonlinear transmission enhancement in cavities filled with nonlinear organic materials”,” Appl. Opt. 47, 5777 (2008).
S. Tay, P-A Blanche, R. Voorakaranam, C. Christenson, P. St. Hilaire, W. Lin, S. Rokutanda, T. Gu, D. Flores, P. Wang, G. Li, M. Yamamoto, J. Thomas, R. A. Norwood, and N. Peyghambarian, “Materials for an updateble holographic three-dimensional display“, IEEE J. Display Technology, Special issue on medical displays 4, 424 (2008).
P. Gangopadhyay, R. Voorakaranam, A. Lopez-Santiago, S. Foerier, J. Thomas, R. A. Norwood, A. Persoons, N. Peyghambarian, “Faraday Rotation Measurements on Thin Films of Regioregular Alkyl Substituted Polythiophene Derivatives“, J. Phys. Chem. C. 112, 8032 (2008).
S. Tay, J. Thomas, B. Momeni, M. Askari, A. Adibi, P. J. Hotchckiss, S. C. Jones, S. R. Marder, R. A. Norwood, N. Peyghambarian, “Planar photonic crystals infiltrated with nanoparticles/ polymer composite“, Appl. Phys. Lett. 91, 221109 (2007).
P. D. van Voorst, M.R. de Wit, H. L. Offerhaus, S. Tay, J. Thomas, N. Peyghambarian and K. -J. Boller, “Holographic injection locking of a broad area laser diode via a photorefractivethin-film device“, Opt. Exp. 15, 17587 (2007).
M. Eralp, J. Thomas, S. Tay, P.-A. Blanche, A. Schülzgen, R. A. Norwood, M. Yamamoto, and N. Peyghambarian “Variation of Bragg condition in low-glass transition photorefractive polymers when recorded in reflection geometry“, Opt. Exp. 15, 11622 (2007).
N. Peyghambarian, M. Eralp, S. Tay,G. Li, J. Thomas, A. Schulzgen, S. R. Marder, M. Yamamoto, R. A Norwood, “Photorefractive polymers with superior performance”, Nonlinear Optics, Quantum Optics 36(3-4), 309-318, (2007).
M. Eralp, J. Thomas, S. Tay, G. Li, A. Schülzgen, R. A. Norwood M. Yamamoto and N. Peyghambarian, “Submillisecond response of a photorefractive polymer under single nanosecond pulse exposure“, Appl. Phys. Lett. 89, 114105 (2006).
M. Eralp, J. Thomas, G. Li, S. Tay, A. Schülzgen, R. A. Norwood, and N. Peyghambarian and M. Yamamoto, “Photorefractive polymer device with video-rate response time operating at low voltages“, Opt. Lett. 31, 1408 (2006).
S. Tay, J. Thomas, M. Eralp, G. Li, A. Schülzgen, N. Peyghambarian, M. Yamamoto, S. Barlow, G. A. Walker, S. R. Marder “High performance photorefractive polymer operating at 1550nm with near video rate response time“, Appl. Phys. Lett. 87, 171105 (2005).
G. Li, M. Eralp, J. Thomas, S.Tay, A. Schülzgen, N. Peyghambarian, “All-optical dynamic correction of distorted communications signals using a photorefractive polymeric hologram“, Appl. Phys. Lett. 86, 161103 (2005).
N. A. George, R. Jyotsna, S. T. Lee, B. Aneeshkumar, J. Thomas, V. P. N. Nampoori, P. Radhakrishnan “Photoacoustic spectrum of samarium phthalocyanine powder“, Optical Materials 27, 1593 (2005).
J. Thomas, M. Eralp, S Tay, G. Li, M. Yamamoto, R.A. Norwood, S. R. Marder and N. Peyghambarian, “Photorefractive Polymers with Superior Performance”, Optics and Photonics News (OPN) special edition on “Optics in 2005”, Page31.
J. Thomas, C. Fuentes-Hernandez, M. Yamamoto, K. Cammack, K. Matsumoto, G. A. Walker, S. Barlow, B. Kippelen, G. Meredith, S. R. Marder, N. Peyghambarian, “Bis-triarylamine polymer-based composites for photorefractive applications“, Adv. Mater. 16, 2032 (2004).
M. Eralp, J. Thomas, S.Tay, G. Li, G. Meredith, A. Schülzgen, N. Peyghambarian, G. A. Walker, S. Barlow, S. R. Marder, “High-performance photorefractive polymer operating at 975nm wavelength“, Appl. Phys. Lett. 84, 1095 (2004).
J. G. Winiarz, F. Ghebremichael, J. Thomas, G. Meredith, N. Peyghambarian, “Dynamic correction of a distorted image using a photorefractive polymer composite“, Opt. Exp. 12, 2517 (2004).
C. Fuentes-Hernandez, J. Thomas, R. Termine, M. Eralp, M. Yamamoto, K. Cammack, K. Matsumoto, G. Meredith, N. Peyghambarian, B. Kippelen, G. A. Walker, S. Barlow, S. R. Marder, “Video-rate compatible photorefractive polymers with stable dynamic properties under continuous operation“, Appl. Phys. Lett. 85, 4561 (2004).
S. Tay, J. Thomas, M. Eralp, G. Li, B. Kippelen, S. R. Marder, G. Meredith, A. Schülzgen, N. Peyghambarian, “Photorefractive polymer operating at the optical communication wavelength of 1550 nm“, Appl. Phys. Lett. 85, 1877 (2004).
B. Aneeshkumar, P. Gopinath, J. Thomas, C. P. G. Vallabhan, V. P. N. Nampoori, P. Radhakrishnan, “Nanosecond optical limiting response of sandwich-type neodymium diphthalocyanine in co-polymer host“, Synth. Met., 143, 197 ( 2004).
B. Aneeshkumar; P. Gopinath, P. Radhakrishnan, V. P. N. Nampoori, C. P. G. Vallabhan, J. Thomas, “Optical limiting response of rare earth metallo-phthalocyanines doped co-polymer matrix“, JOSA-B 20, 1486 (2003).
K. P. Unnikrishnan, J. Thomas, V. P. N. Nampoori, C. P. G.Vallabhan, “Nonlinear absorption in certain metal phthalocyanines at resonant and near resonant wavelengths“, Opt. Commun. 217, 269 (2003).
K. P Unnikrishnan, J. Thomas, V. P. N. Nampoori and C. P. G. Vallabhan, “Second hyperpolarizability of certain phthalocyanines and naphthalocyanines“, Synth. Met. 139, 371 (2003).
K. P Unnikrishnan, J. Thomas, V. P. N. Nampoori and C. P. G. Vallabhan, “Third order nonlinear optical studies in europium naphthalocyanine using degenerative four wave mixing and Z-scan“, Opt. Commun. 204, 385 (2002).
K. P Unnikrishnan, J. Thomas, V. P. N. Nampoori and C. P. G. Vallabhan “Degenerate four wave- mixing in some metal phthalocyanines and naphthalocyanines“, Chem. Phys. 279, 209 (2002).
K P Unnikrishnan, J. Thomas, V P N Nampoori, C P G Vallabhan. “Wavelength dependence of nonlinear absorption in bis-phthalocyanines studied using Z-scan technique“, Appl. Phys. B. 75, 871 (2002).
K. P. Unnikrishnan, J. Thomas, B. Paul, A. Kurian, P. Gopinath, V. P. N. Nampoori, C. P. G. Vallabhan, “Nonlinear absorption and optical limiting in solutions of some rare earth substituted phthalocyanines”, J. Non. Opt. Phys. Mater. 10, 113 (2001).
G. A. Kumar, J. Thomas, K. P. Unnikrishnan, V. P. N. Nampoori, C. P. G. Vallabhan, “Optical absorption and emission spectral studies of phthalocyanine molecules in DMF“, J. Porphyrins. Phthalocyanines 5, 465 (2001).
G. A. Kumar, J. Thomas, N. V. Unnikrishnan, V. P. N. Nampoori, C. P. G. Vallabhan, “Optical properties of phthalocyanine molecules in cyano acrylate polymer matrix“, Mat. Res. Bull. 36, 1 (2001).
J. Thomas, G. A. Kumar, N. V. Unnikrishnan, V. P. N. Nampoori, C. P. G. Vallabhan, “Optical studies of phthalocyanine molecules in PVA film“, Mat. Lett. 44, 275 (2000).
G. A. Kumar, J. Thomas, N. V. Unnikrishnan, V. P. N. Nampoori, C. P. G. Vallabhan, “Physical and optical properties of phthalocyanine doped inorganic glasses“, J. Mat. Sci. 35, 2539 (2000).
G. A. Kumar, J. Thomas, N. George, B. A. Kumar, P. Radhakrishnan, V. P. N. Nampoori, C. P. G. Vallabhan, N. V. Unnikrishnan, “Optical absorption studies of free (H2Pc) and rare earth (RePc) phthalocyanine doped borate glasses“, Physics and Chemistry of Glasses 41, 89 (2000).
J. Thomas, V. N. S. Pillai, V. P. N. Nampoori, C. P. G. Vallabhan, “Evaluation of electrical conductivity and thermal diffusivity of vanadyl naphthalocyanine“, Mat. Sci. Lett. 18, 963 (1999).
J. Thomas, V. N. S. Pillai, E. Xavier, V. P. N. Nampoori, C. P. G. Vallabhan, “Electrical conductivity and thermal diffusivity of zinc naphthalocyanine“, Mat. Sci. Lett. 15, 151 (1996).
P. S. Harikumar, J. Thomas, V. N. S. Pillai, “Electron transfer mediation by rf plasma treated iron, nickel and zinc phthalocyanines”, Bull. Electrochem. 12, 482 (1996).
V. N. S. Pillai, J. Thomas, P. S. Harikumar, “Inhibition of corrosion of aluminum in hydrochloric acid by cobalt tetrasulfophthalocyanine”, Ind. J. Chem. Tech. 2, 99, (1995).

Conference Proceedings

P. Chantharasupawong, R. Philip, H. Qian, R. Jin, J. Thomas, Atomically engineered gold nanoclusters for optical limiting, SPIE Newsroom report, doi:10.1117/2.1201303.004751
A. A. Khosroabadi, P. Gangopadhyay, B. Duong, J. Thomas and R. A. Norwood, Optical Properties of Nanostructured Electrodes, DOI: http://dx.doi.org/10.1557/opl.2013.610 (MRS 2013)
The Effect of Diffraction Gratings on Absorption inP3HT:PCBM Layers B. Cocilovo, A. Amooali, S. Shahin, S. Islam, B. Au Thanh Duong, M. Campbell, P. Gangopadhyay, J. Thomas, and R. A. Norwood, JM5A.16, Renewable Energy and the Environment, 2012 OSA.
R. Philip and J. Thomas, “Optical nonlinearity and power limiting in organic molecules and nanocomposites” (Invited paper), Proc. SPIE, Vol.8113, 81130J (2011)
J. Thomas, C. W. Christenson, B. Lynn, P.-A. Blanche, R. Voorakaranam, R. A. Norwood, M. Yamamoto and N. Peyghambarian, “Recent Advances in Photorefractive Polymers”, (invited paper), Proc. SPIE, Vol. 8113, 811302 (2011)
J. Thomas, P. Gangopadhyay, R. Munoz and N. Peyghambarian, “Nanoimprinted photonic devices” (Invited paper), Polymer Optics Design, Fabrication, and Materials, David H. Krevor; William S. Beich (Editors), Proc. SPIE, Vol. 7788, 778802 (2010); doi:10.1117/12.861819.
C. W. Christenson, J. Thomas, P-A. Blanche, R. Voorakaranam, R. A. Norwood, M. Yamamoto, N. Peyghambarian,, “Complementary grating dynamics in photorefractive polymers with Alq3”, SPIE Proceedings, vol.7599, pp 05-1–05-4, (2010).
P. Banerjee, G. Cook, D. Evans, J. Wofford, P-A. Blanche, J. Thomas, N. Peyghambarian, “Transmission, reflection, and absorption gratings in photorefractive polymers”, Proceedings of SPIE (2009), 7420 (Photonic Fiber and Crystal Devices), 74200H/1-74200H/9.
C. W. Christenson, P-A. Blanche, R. Voorakaranam, A.Bablumian, J. Thomas, M. Yamamoto, N. R. A. Norwood, Peyghambarian “Avenues for Expanded Applicability in Photorefractive Based Holographic 3D Displays”, Proceedings of OSA Topical Meeting on Digital Holography and Three-Dimensional Imaging, (2010).
P.-A. Blanche, A. Bablumian, R. Voorakaranam, C. Christenson, D. Lemieux, J. Thomas, R. A. Norwood, M. Yamamoto and N. Peyghambarian “Future of photorefractive based holographic 3D display”, SPIE proceedings, vol. 7619, (2010).
J. Thomas, P. Gangopadhyay, and N. Peyghambarian, “NIMP: A new nanoimprinting technique for nanophotonic device fabrication”, Proceedings of NSTI Nanotech 2009.
S. Tay, J. Thomas, B. Momeni, M. Askari, A. Adibi, P. J. Hotchckiss, S. C. Jones, S. R. Marder, R. A. Norwood, N. Peyghambarian, “Polymer nanocomposite infiltration of silicon photonic crystals”, Proceedings of SPIE (2008), 6901 (Photonic Crystal Materials and Devices VII), 690114/1-690114/11.
R. A. Norwood, S. Tay, P-A Blanche, R. Voorakaranam, J. Thomas, P. St. Hilaire, C. Christenson, N. Peyghambarian, Nasser;P. Wang, T. Gu, D. Flores, M. Yamamoto,”Photorefractive polymers for updatable holographic displays”. Polymer Preprints (American Chemical Society, Division of Polymer Chemistry) 49 (2), 999-1000, (2008).
R. N. Norwood, H. Sumimura, S. Tay, K. Yamnitsky, A. Kropachev,J. Thomas, N. Peyghambarian, J. H. Moon, S. Yang, T. Skotheim, “New organic infiltrants for two-dimensional and three-dimensional photonic crystals”, Proceedings of SPIE-The International Society for Optical Engineering (2006), 6331 (Linear and Nonlinear Optics of Organic Materials VI), 63310A/1-63310A/11.
H. Gan, R. A. Norwood, L. Li, C. T. DeRose, J. Wu, J. Thomas, M. A. Fardad, A. Schülzgen, N. Peyghambarian, C. R. DeSilva and Z. Zheng, “Lanthanide nanoparticle doped low-loss sol-gel amplifier materials,” Proceedings of SPIE-The International Society for Optical Engineering, Vol. 5935, Page 105-114 (2005).
J. Thomas, M. Eralp, S. Tay, G. Li, S. R. Marder, G. Meredith, A. Schülzgen, Robert A. Norwood and N. Peyghambarian, “Near-infrared photorefractive polymer composites with high-diffraction efficiency and fast response time,” Proceedings of SPIE-The International Society for Optical Engineering, Vol. 5521, Page1-8 (2004).
C. Fuentes-Hernandez, J. Thomas, G. Meredith, N. Peyghambarian, S. R. Marder, B. Kippelen, “Trapping mechanisms and dynamics in bis-triarylamine-based photorefractive polymer composites,” Proceedings of SPIE-The International Society for Optical Engineering, Vol. 5521, Page 96-102 (2004).
C. Fuentes-Hernandez, J. Thomas, R. Termine, M. Eralp, M.Yamamoto, K. Cammack, K. Matsumoto, G. Meredith, N. Peyghambarian, B. Kippelen, and S. R. Marder, “Photorefractive polymers based on bis-triarylamine side-chain polymers” Proceedings of SPIE-The International Society for Optical Engineering, Vol. 5216, Page-83, (2003).
M. J. Shelly, J. Thomas, K. P. Unnikrishnan, P. Radhakrishnan, V. P. N. Nampoori, C. P. G. Vallabhan, “NO2 detection with a fiber optic evanescent wave sensor.” Proceedings of SPIE-The International Society for Optical Engineering, 3897 (Advanced Photonic Sensors and Applications), 173 (1999).
J. Thomas, P. Chantharasupawong, T. N. Narayanan, P. M. Sudeep, R. Philip, and P. M. Ajayan, IUMRS International Conference on Electronic Materials 2012 September 23 – 28 (2012), Pacifico Yokohama, Yokohama, Japan