Publications:

     2015

    Journal Publications
  1. Muntasir T, Chaudhary S, "Understanding defect distributions in polythiophenes via comparison of regioregular and regiorandom species", Journal of Applied Physics, 2015.
  2. Carr JA, Elshobaki M, Chaudhary S, "Deep defects and the attempt to escape frequency in organic photovoltaic materials", Applied Physics Letters, 2015.
  3. Lindemann WR, Philiph RL, Chan DWW, Ayers CT, Perez EM, Beckman SP, Strzalka J, Chaudhary S, Vaknin D, "Oriented polyvinylidene fluoride-trifluoroethylene (P(VDF-TrFE)) films by Langmuir-Blodgett deposition: a synchrotron X-ray diffraction study", Physical Chemistry Chemical Physics, 2015, 17, 29335-29339.
  4. Shen K, Yang R, Wang D, Jeng M, Chaudhary S, Ho KM, Wang D, "Stable CdTe solar cell with V2O5 as a back contact buffer layer", Solar Energy Materials and Solar Cells, 2015.
  5. Gebhardt R, Du P, Peer A, Rock M, Kessler MR, Biswas R, Ganapathysubramanian B, Chaudhary S, "Utilizing Wide Band Gap, High Dielectric Constant Nanoparticles as Additives in Organic Solar Cells'', The Journal of Physical Chemistry C, 2015.
  6. Bhuwalka A, Ewan M, Elshobaki M, Mike JF, Tlach B, Chaudhary S, Jeffries-EL M, "Synthesis and photovoltaic properties of 2, 6-bis (2-thienyl) benzobisazole and 4, 8-bis (thienyl)-benzo [1, 2-B: 4, 5-B'] dithiophene copolymers'', Journal of Polymer Science A: Polymer Chemistry, 2015.
  7. Bhuwalka A, Ewan M, Mike JF, Elshobaki M, Kobilka B, Chaudhary S, Jeffries-EL M, "Synthesis, characterization and photovoltaic properties of dithienylbenzobisazole-dithienylsilole copolymers'', Journal of Polymer Science A: Polymer Chemistry, 2015, 53, 1533-1540.
  8. Chen Y, Elshobaki M, Gebhardt R, Bergeson S, Park JM, Hillier AC, Ho KM, Biswas R, Chaudhary S, "Reducing optical losses in organic solar cells using microlens arrays: theoretical-experimental investigation of microlens dimensioins", Physical Chemistry Chemical Physics 2015, 17, 3723.

    Conference Presentations
  1. Gebhardt R, Du P, Rock M, Ganapathysubramanian B, Chaudhary S,"Insulating, wide-band-gap high dielectric constant nanoparticles as additives in organic solar cells" 2015 Materials Research Society Spring Meeting and Exhibit, San Francisco, CA, Apr. 6 - Apr. 10, 2015
  2. Muntasir T, Elshobaki M, GEbhardt R, Chaudhary S,"Probing defects in polyhexylthiophene: comparison between regio-regular and regio-random species" 2015 Materials Research Society Spring Meeting and Exhibit, San Francisco, CA, Apr. 6 - Apr. 10, 2015


     2014

    Journal Publications
  1. Lesoine M, Bobbitt J, Carr JA, Elshobaki M, Chaudhary S, Smith E, "Quantitative comparison of organic photovoltaic bulk heterojunction photostability under laser illumination", The Journal of Physical Chemistry C 2014, 118 (51), 30229-30237.
  2. Bobbitt J, Weibel S, Elshobaki M, Chaudhary S, Smith E, "Fourier transform-plasmon waveguide spectroscopy: A non-Destructive multi-frequency method for simultaneously determining polymer thickness and apparent index of refraction", Analytical Chemistry 2014, 86(24), 11957-11961.
  3. Elshobaki M, Anderegg J, Chaudhary S, "Efficient polymer solar cells fabricated on poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)-etched old indium tin oxide substrates", ACS Applied Materials & Interfaces 2014, 6(15), pp 12196-12202.

    Conference Presentations
  1. Carr JA, Elshobaki M, Chaudhary S,"Deep defect levels and the prefactor of trap emission in organic photovoltaic devices," 2014 Materials Research Society Spring Meeting and Exhibit, San Francisco, CA, Apr. 21 - Apr. 25, 2014
  2. Elshobaki M, Chaudhary S, et.al,"Electric field effect on the growth of organic thin films and their Optoelectronic devices: The first demonstration," 2014 Materials Research Society Spring Meeting and Exhibit, San Francisco, CA, Apr. 21 - Apr. 25, 2014
  3. Elshobaki M, Anderegg J, Chaudhary S, "Reusing ITO from old organic solar cells: Is PEDOT:PSS really bad for ITO?", 2014 Materials Research Society Spring Meeting and Exhibit, San Francisco, CA, Apr. 21 - Apr. 25, 2014.
  4. (INVITED) Carr JA, Chaudhary S, "Steps towards understanding of defects in organic photovoltaic devices", 247th ACS National Meeting & Exhibition, Dallas, TX, March 19, 2014


     2013

    Journal Publications
  1. Mahadevapuram RC, Car JA, Chen Y, Bose S, Nalwa KS, Petrich JW, Chaudhary S, "Low-boiling-point solvent additives can also enable morphological control in polymer solar cells" Synthetic Metals 2013, 185-186, 115-119.
  2. Carr JA, Chaudhary S, "The identification, characterization and mitigation of defects in organic photovoltaic devices: a review and outlook" Energy & Environmental Science 2013, 6(12), 3414-3438.
  3. Meyer M, Larson K, Mahadevapuram RC, Lesoine M, Carr JA, Chaudhary S, Smith E, "Scanning angle-Raman spectroscopy of poly(3-hexylthiophene)-based films on indium tin oxide, gold and sapphire surfaces" ACS Applied Materials & Interfaces 2013, 5, 8686-8693.
  4. Carr JA, Chaudhary S, "On the identification of deeper defect levels in organic photovoltaic devices" Journal of Applied Physics 2013, 114, 064509 (7 pages).
  5. Mahadevapuram RC, Dalal VL, Chaudhary S, "Effect of a-Si:H--polymer interface on the behavior of hybrid solar cells" Nanomaterials and Energy 2013, 2(4), 186-193.
  6. Carr JA, Chaudhary S, "Response to "Comment on `On accurate capacitance characterization of organic photovoltaic devices'" Applied Physics Letters 2013, 102, 076102.
  7. Chen Y, Elshobaki M, Z Ye, Park JM, Ho KM, Chaudhary S, "Microlens array induced light absorption enhancement in polymer solar cells" Physical Chemistry Chemical Physics 2013, 15, 4297-4302.
  8. Kuang P, Park JM, Liu G, Z YE, Leung W, Chaudhary S, Lynch D, Ho KM, Constant K, "Metal-nanowall grating transparent electrodes: Achieving high optical transmittance at high incident angles with minimal diffraction" Optics Express 2013, 21(2), 2393-2401.

    Conference Presentations
  1. Elshobaki M, Gebhardt R, Chaudhary S, "Our hair reacts to a charged carpet or static electricity - So does nanomorphology in organic photovoltaic films: The first demonstration", Materials Science & Technology 2013 Conference & Exhibition, Montreal, Canada, October 26-30, 2013.
  2. Chen Y, Elshobaki M, Gebhardt R, Bergeson S, Park JM, Ho KM, Biswas R, Chaudhary S, "Reducing optical losses in organic photovoltaics using microlens arrays: experiments and simulations", 2013 Materials Research Society Fall Meeting and Exhibit, Boston, MA, Dec. 1 - Dec. 6, 2013.


     2012

    Journal Publications
  1. Wodo O, Tirthapura S, Chaudhary S, Ganapathysubramanian B, "Computational characterization of bulk heterojunction nanomorphology" Journal of Applied Physics 2012, 112, 064316(1-6)..
  2. Kobilka BM, Dubrovskiy AV, Ewan MD, Tomlinson AL, Larock RC, Chaudhary S, Jeffries-El M, "Synthesis of 3,7-diiodo-2,6-di(thiophen-2-yl)benzo[1,2-b:4,5-b0]difurans: functional building blocks for the design of new conjugated polymers" Chemical Communications 2012, 48, 8919-8921.
  3. Carr JA, Nalwa KS, Mahadevapuram RC, Chen Y, Anderegg J, Chaudhary S, "Plasic-syringe induced silicone contamination in organic photovoltaic fabrication: implications for small-volume additives" ACS Applied Materials & Interfaces 2012, 4(6), 2831-2835.
  4. Carr JA, Chaudhary S, "On accurate capacitance characterization of organic photovoltaic cells" Applied Physics Letters 2012, 100, 213902(1-4).
  5. Zhuo Y, Chaudhary S, Kuang P, Ho KM, "Broadband light absorption enhancement in polymer photovoltaics using metal nanowall gratings as transparent electrodes" Optics Express 2012, 20(11), 12213-12221.
  6. Wodo O, Tirthapura S, Chaudhary S, Ganapathysubramanian B, "A graph-based formulation for computational characterization of bulk heterojunction morphology" Organic Electronics 2012, 13(6), 1105-1113.
  7. Nalwa KS, Carr JA, Mahadevapuram R, Kodali HK, Bose S, Chen Y, Petrich JW, Ganapathysubramanian B, Chaudhary S, "Enhanced charge separation in organic photovoltaic films doped with ferroelectric dipoles" Energy & Environmental Science 2012, 5(5), 7042-7049.
  8. Carr JA, Chen Y, Elshobaki M, Mahadevapuram R, Chaudhary S, "Controlling nanomorphology in plastic solar cells" Nanomaterials and Energy 2012, 1(1), 18-26 (invited review article).


    Conference Presentations
  1. J. A. Carr and S. Chaudhary, "Accurate capacitance characterization and digging into deep defects in polymer solar cells," 2012 Materials Research Society Fall Meeting and Exhibit, Boston, MA, Nov. 27 - Dec. 1, 2012.
  2. Y. Chen, M. Elshobaki, Z. Ye, J-M. Park, M. Noack, K-M. Ho, and S. Chaudhary, "Microlens array induced optical absorption enhancement in polymer solar cells," 2012 Materials Research Society Fall Meeting and Exhibit, Boston, MA, Nov. 27 - Dec. 1, 2012.
  3. K. S. Nalwa, J. Carr, R. C. Mahadevapuram, Hari K. Kodali, S. Bose, Y. Chen, J. W. Petrich, B. Ganapathysubramanian, S. Chaudhary, "Enhanced exciton dissociation in organic photovoltaic layers doped with ferroelectric dipoles," 2011 Materials Research Society Fall Meeting and Exhibit, Boston, MA, Nov. 28 - Dec. 2, 2011.
  4. (INVITED) S. Chaudhary, "Photonic and electrostatic approaches to minimize losses in organic solar cells", US-Egypt Solar Workshop, Cairo, Egypt, March 11-14, 2012.
  5. (INVITED) K. S. Nalwa, J. Carr, R. C. Mahadevapuram, Hari K. Kodali, B. Ganapathysubramanian, S. Chaudhary, "More efficient polymer solar cells by doping with ferroelectric dipoles", TMS 2012 Annual Meeting & Exhibition, Orlando FL, March 11-15, 2012.
  6. Y. Chen, R. Mahadevapuram, S. Chaudhary, "Effect of annealing and additives on defects and recombination in polymer photovoltaic layers", TMS 2012 Annual Meeting & Exhibition, Orlando FL, March 11-15, 2012.


     2011

    Journal Publications
  1. Nalwa KS, Kodali HK, Ganapathysubramanian B, Chaudhary S, "Dependence of recombination mechanisms and strength on processing conditions in polymer solar cells" Applied Physics Letters 2011, 99, 263301.
  2. Kuang P, Park JM, Leung W, Mahadevapuram RC, Nalwa KS, Chaudhary S, Ho KM, Constant K, "A new architecture for transparent electrodes: Relieving the trade-off between electrical conductivity and optical transmittance" Advanced Materials 2011, 23, 2469-2473.
  3. Nalwa KS, Mahadevapuram RC, Chaudhary S, "Growth rate dependent trap density in polymer:fullerene solar cells and its implications" Applied Physics Letters 2011, 98, 093306.
  4. Mike JF, Nalwa KS, Makowski A, Putnam D, Tomlinson AL, Chaudhary S, Jeffries-El M, "Synthesis, Characterization and Photovoltaic Properties of Poly(thiophenevinylene-alt-benzobisoxazole)s" Physical Chemistry Chemical Physics 2011, 13, 1338-1344.
  5. Nalwa KS, Park JM, Ho KM, Chaudhary S, "On realizing higher efficiency polymer solar cells using a textured substrate platform" Advanced Materials 2011, 23, 112-116. (Featured as news on materialsviews.com)


    Conference Presentations
  1. K. S. Nalwa, J. Carr, R. C. Mahadevapuram, Hari K. Kodali, S. Bose, Y. Chen, J. W. Petrich, B. Ganapathysubramanian, S. Chaudhary, "Enhanced exciton dissociation in organic photovoltaic layers doped with ferroelectric dipoles," 2011 Materials Research Society Fall Meeting and Exhibit, Boston, MA, Nov. 28 - Dec. 2, 2011.
  2. K. S. Nalwa, Hari K. Kodali, B. Ganapathysubramanian, S. Chaudhary, "Processing conditions of active-layer determine whether the dominant recombination mechanism in polymer solar cells is bimolecular or interfacial," 2011 Materials Research Society Fall Meeting and Exhibit, Boston, MA, Nov. 28 - Dec. 2, 2011.
  3. J. A. Carr, K. S. Nalwa, R. Mahadevapuram, Y. Chen, S. Chaudhary, "Plastic-syringe induced silicone contamination in organic photovoltaic device fabrication: a second look at its implications on device performance," 2011 Materials Research Society Fall Meeting and Exhibit, Boston, MA, Nov. 28 - Dec. 2, 2011.
  4. R. C. Mahadevapuram, Y. Chen, J. Carr, K. S. Nalwa, S. Chaudhary, "Uncovering some more realities of solvent-additives in organic solar cells," 2011 Materials Research Society Fall Meeting and Exhibit, Boston, MA, Nov. 28 - Dec. 2, 2011.
  5. A. Thoeming, J. Carr, R. Mahadevapuram, S. Chaudhary, "Further investigation into the paintbrush deposition technique for P3HT:PCBM based organic solar cells," 2011 Materials Research Society Fall Meeting and Exhibit, Boston, MA, Nov. 28 - Dec. 2, 2011.
  6. Y. Chen, R. Mahadevapuram, K. S. Nalwa, S. Chaudhary, "Revealing the pros-and-cons of di erent annealing treatments in polymer solar cells," 2011 Materials Research Society Fall Meeting and Exhibit, Boston, MA, Nov. 28 - Dec. 2, 2011.
  7. (INVITED) Sumit Chaudhary, "Organic photovoltaics: present, and future prospects", Materials Science & Technology 2011 Conference and Exhibition, Columbus, Ohio, October 16-20, 2011.
  8. (INVITED) Sumit Chaudhary, "Accomplishments, challenges, and innovative approaches in organic solar cells", 22nd National NSF EPSCoR Conference, Moscow, Idaho, Oct 24-27, 2011.
  9. P. Kuang, J. M. Park, W. Leung, K. Constant, S. Chaudhary, K. M. Ho, "High aspect ratio nanoscale metallic structures: a platform for photonic devices," SPIE Optics + Photonics Conference, San Diego, CA, August 2011.
  10. O. Wodo, S. Tirthapura, S. Chaudhary, B. Ganapathysubramanian: "Graph and computational homology concepts to streamline process-structure-property relationships: Application to organic thin lm devices" 11th US National Congress on Computational Mechanics,Minneapolis, July 25-29, 2011.
  11. (INVITED) Chaudhary S, Nathan Neihart "Facile, scalable and ambient - electrochemical route for titania memristor fabrication", CMOS Emerging Technologies Workshop, Whistler, British Columbia, Canada, June 15 - June 17, 2011.
  12. O.Wodo, S. Tirthapura, S. Chaudhary, B. Ganapathysubramanian, "Morphology descriptors of bulk heterojunctions in thin lm organic solar cells," Materials Research Society Spring Meeting and Exhibit, San Francisco, CA, Apr. 26 - 29, 2011.
  13. N. M. Neihart and S. Chaudhary, "The effects of annealing in anodic titania memristors," Government Microcircuit Applications and Critical Technologies Conference (GOMACTech), March 2011.
  14. (INVITED) Nalwa KS, Mahadevapuram RC, Chaudhary S, "Controlling defect density in polymer-fullerene bulk- heterojunction solar cells by optimizing growth conditions", TMS 2011 Annual Meeting & Exhibition, San Diego, CA, Feb 27 - March 3, 2011.
  15. Mahadevapuram RC, Nalwa KS, Dalal VL, Chaudhary S, "Photovoltaics using doped and undoped amorphous silicon heterojunctions with conjugated polymers", TMS 2011 Annual Meeting & Exhibition, San Diego, CA, Feb 27 - March 3, 2011.


     2010

    Journal Publications
  1. Nalwa KS, Cai Y, Thoeming AL, Shinar J, Shinar R, Chaudhary S, "Polythiophene-fullerene based photodetectors: tuning of spectral response and application in photoluminescence based bio(chemical) sensors" Advanced Materials 2010, 22, 1-5.
  2. Miller K, Nalwa KS, Bergured A, Neihart N, Chaudhary S, "Memristive behavior in thin anodic titania" IEEE Electron Device Letters 2010, 31 (7), 737-739.
  3. Nalwa KS, Chaudhary S, "Design of light-trapping microscale-textured surfaces for efficient organic solar cells" Optics Express 2010, 8 (5), 5168-5178.
  4. Vengasandra S, Chaudhary S, "Nano-mechano-electrical characterization applications in fuel cells and organic photovoltaics" Materials Today 2010, 13 (Hysitron special issue), 28-32.
  5. Park JM, Nalwa KS, Leung W, Constant K, Chaudhary S, Ho KM, "Fabrication of metallic nanowires and nanoribbons using laser interference holography and shadow lithography" Nanotechnology 2010, 21, 215301.(Featured as news on nanotechweb.org)


    Conference Proceedings and Presentations
  1. Thoeming AL, Nalwa KS, Liu R, Shinar J, Shinar R, Chaudhary S, "Single substrate integration of organic light-emitting diode, organic photodetector and sensing element for photoluminescence based bio(chemical) sensors", SPIE Optics+Photonics, San Diego, CA, August 2010.
  2. Nalwa KS, Cai Y, Thoeming AL, Shinar R, Shinar J, Chaudhary S, "Photoluminescence Based Sensors on All Organic Platform (organic-light-emitting-diode/dye:analyte/organic-photodetectors)", Materials Research Society Spring Meeting 2010, San Francisco, CA.
  3. Miller K, Nalwa KS, Bergured A, Neihart N, Chaudhary S, "Tunable Anodized-Titania Memristors: Study on Effects of Annealing and Extent of Anodization", Materials Research Society Spring Meeting 2010, San Francisco, CA.
  4. Mahadevapuram RC, Nalwa KS, Dalal VL, Chaudhary S, "Intrinsic and Doped Amorphous Silicon Hybridized With Polymer-based Photovoltaics: Status, Our Results, and Opportunities", Materials Research Society Spring Meeting 2010, CA.


     2009

    Journal Publications
  1. Chaudhary S, Müller AM, Huang W, Al-Kaysi RO, Bardeen CJ, Ozkan CS, Ozkan M, "Effects of solvent and annealing on photophysical properties of polythiophene photovoltaic cells" Advanced Science Letters 2009, 2 (1), 14-20.


    Conference Proceedings and Presentations
  1. Nalwa KS, Park JM, Leung W, Constant K, Ho KM and Chaudhary S, "Textured substrate based organic solar cell for higher absorption and improved performance", Proceedings of Materials Research Society Fall 2009 Meeting (BEST POSTER NOMINEE).
  2. Nalwa KS, Cai Y, Thoeming AL, Shinar R, Shinar J, Chaudhary S, "Polymer-based photodetectors for structurally integrated photoluminescence based oxygen sensors" Proceedings of The International Society for Optical Engineering (SPIE) 2009, 7418, 74180F.
  3. Nalwa KS and Chaudhary S, "Design of Three-Dimensional Textured Organic Solar Cell" Materials Research Society Spring 2009 Proceedings, 1168, 1168-P05-17.


     2008 and earlier

    Journal Publications
  1. Chaudhary S, Lu H, Müller AM, Bardeen CJ and Ozkan M, "Hierarchical placement and associated optoelectronic impact of carbon nanotubes in polymer:fullerene solar cells", Nano Letters 2007, 7(7), 1973-1979.
  2. Lu H*, Chaudhary S*, Müller AM, Bardeen CJ and Ozkan M, "Effects of plasma exposure on the active-layer in polythiophene:fullerene bulk-heterojunction solar cells", Journal of Nanoelectronics and Optoelectronics 2007, 2, 278-281. (* equal contriubution)
  3. Chaudhary S and Ozkan M, "Self-organization dependent optical emission of luminescenct polymers in nanoporous alumina templates", Journal of Nanoelectronics and Optoelectronics 2007, 2, 282-286.
  4. Kim JH, Chaudhary S and Ozkan M, "Multicolor hybrid nanoprobes of molecular beacon conjugated quantum-dots for FRET and gel electrophoresis assisted DNA detection", Nanotechnology 2007, 18, 195105 (7 pp).
  5. Chaudhary S, Kim JH and Ozkan M, "Controlled electron-beam-induced large-scale alignment of carbon nanotubes at metal electrodes", Journal of Nanoelectronics and Optoelectronics 2006, 1 (2), 211-214 (Cover article).
  6. Yilmaz OF, Chaudhary S and Ozkan M, "Hybrid organic-inorganic electrode for efficient charge injection or collection in organic optoelectronic devices", Nanotechnology 2006, 17, 3662-3667.
  7. Portney NG, Singh KV, Chaudhary S, Destito G, Schneemann A, Manchester M and Ozkan M, "Organic and inorganic nanoparticle hybrids", Langmuir 2005, 21 (6), 2098-2103.
  8. Chaudhary S, Kim JH, Singh KV and Ozkan M, "Fluorescent microscopy visualization of single-walled carbon nanotubes using semiconductor nanocrystals", Nano Letters 2004, 4 (12), 2415-2419; Also as "Bright carbon nanotubes", Analytical Chemistry (news) 2005, 77 (1), 9A.
  9. Chaudhary S, Chan WCW and Ozkan M, "Trilayer hybrid polymer-quantum dot light-emitting diodes", Applied Physics Letters 2004, 84 (15), 2925-2927; Also in Virtual Journal of Nanoscale Science and Technology 2004, 9 (15).
  10. Ravindran S, Chaudhary S, Colburn B, Ozkan M and Ozkan CS, "Covalent coupling of quantum-dots to multiwalled carbon nanotubes for electronic device applications", Nano Letters 2003, 3 (4), 447-453.


    Conference Presentations and Proceedings
  1. Chaudhary S, "Carbon nanotubes in polymer-fullerene solar cells” Organic Microelectronics and Optoelectronics Workshop IV (IEEE/MRS/ACS), San Francisco, July 2008.
  2. Kim JH, Chaudhary S, Stephens JP, Singh KV and Ozkan M, "Applications of quantum-dots for analysis of nanosystems by either utilizing or preventing FRET", Proceedings of The International Society for Optical Engineering (SPIE) 2005, 5705 (Nanobiophotonics and Biomedical Applications II), 175-182.
  3. Chaudhary S, Kim JH, Singh KV and Ozkan M, "Fluorescent labeling of carbon nanotubes by quantum-dots", Materials Research Society Spring Meeting, San Francisco, 2005.
  4. Portney NG, Singh KV, Chaudhary S, Destito G, Schneemann A, Manchester M and Ozkan M, "Organic and inorganic nanocrystal hybrids", Materials Research Society Spring Meeting, San Francisco, 2005.
  5. Chaudhary S and Ozkan M, "Electroluminescence in carbon nanotube-polymer-nanocrystal composites", 227th ACS National Meeting, Anaheim, CA, USA, March 28-April 1, 2004.
  6. Ravindran S, Chaudhary S, Ozkan M and Ozkan CS, "Functionalization of Carbon Nanotubes for Self Assembly Applications", Materials Research Society Symposium Proceedings 2003, 773 (Biomicro- electromechanical Systems (BioMEMS)), 95-99.
  7. Ravindran S, Chaudhary S, Ozkan M and Ozkan CS, "Carbon-nanotube bioconjugates for in vivo applications", 225th ACS National Meeting, New Orleans, LA, USA, March 23-27, 2003.
  8. Chaudhary S, Ozkan CS and Ozkan M, "Tunable color electroluminescence from array of quantum-dots/polymer composites", Materials Research Society Spring Meeting, San Francisco, USA, 2003.
  9. Research poster presentations at Annual Review Meetings of Center for Functional Engineered Nano Architectonics, Microelectronics Advanced Research Corporation (FENA-MARCO), Los Angeles, 2004, 2005 and 2006.
  10. Research poster presentations at Annual Review Meetings of Center for Nanoscale Innovations for Defense (DARPA consortium of UC Los Angeles, UC Riverside and UC Santa Barbara), 2002, 2003, 2004 and 2005.
  11. Research poster Presentations at Annual Review Meetings of Electrical Engineering Board of Advisors & Annual Review Meetings of College of Engineering Board of Advisors, UC Riverside, 2002, 2003, 2004 and 2005.

 Patents:

  1. K.S.Nalwa,andS.Chaudhary, "Utilizing ferroelectrics for multifaceted device engineering of organic solar cells," 2010 (US Provisional Patent Application No. 13/780,697)
  2. P. Kuang, J. M. Park, W. Leung, K. Consant, K. M. Ho, and S. Chaudhary, "Fabrication of Nano-Scale High Aspect Ratio Metallic Patterns," 2009 (US Provisional Patent Application No. 61/307,620. Filed Feb. 24, 2011).
  3. S.Chaudhary, K.M.Ho, J.M.Park, K.S.Nalwa, and W.Leung,"Textured micrometer scale templates as light managing fabrication platform for organic solar cells," 2008 (US Provisional Patent Application No. 61/379,129. Filed Sept. 1, 2010).
  4. M. Ozkan M and S. Chaudhary, "Multilayer polymer-quantum dot light emitting diodes and methods of making and using thereof" (US Patent 7,132,787 - Granted Nov. 7, 2006).

 Invited Seminars:

  1. S. Chaudhary, ``Plastic solar cells: Accomplishments, challenges, and strategies'', Department of Metallurgical and Materials Engineering, University of Alabama at Tuscaloosa, November 23, 2013
  2. S. Chaudhary, ``Plastic solar cells: Accomplishments, challenges, and strategies'', Department of Metallurgical and Materials Engineering, University of Alabama at Tuscaloosa, October 29, 2011
  3. "Solar energy conversion toward one terawatt", Electric Power and Energy Systems group seminar, Iowa State University, Sept. 18, 2009.
  4. "Organic Photovoltaics @ Ames", National Renewable Energy Laboratory, Golden, Colorado, USA Aug 17, 2009.
  5. "Controlled placement of carbon nanotubes in polymer-fullerene solar cells and their optoelectronic impact", Materials Science and Engineering Dept. seminar, Iowa State University, April 17, 2008.
  6. "Solar cells: Present, and the path ahead", Seminar at IBM TJ Watson Research Center and Brookhaven National Laboratory, Yorktown Heights, Sept. 15, 2006.
  7. "Diverse applications of quantum-dots from devices to bio-imaging", Association for Lab Automation-Small Talk, San Jose, July 14, 2003.