Georgia Tech Center for Organic Photonics and Electronics (COPE) works closely with many of the research centers and institutes at Georgia Tech to provide a focal point for campus-wide efforts on functional organic optical and electronic materials.

Recent Submissions

  • Chip-level waveguide-mirror-pillar optical interconnect structure 

    Ogunsola, O. O.; Thacker, H. D.; Bachim, B. L.; Bakir, M. S.; Pikarsky, J.; Gaylord, Thomas K.; Meindl, J. D. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2006-07)
    Waveguides, mirrors, and polymer pillars can be integrated together to provide optical interconnects to the chip level. Total internal reflection in the polymer pillar provides a high level of spatial confinement of the ...
  • Comparison of pentacene and amorphous silicon AMOLED display driver circuits 

    Vaidya, Vaibhav; Soggs, Susan; Kim, Jungbae; Haldi, Andreas; Haddock, Joshua N.; Kippelen, Bernard; Wilson, Denise (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2008-06)
  • Thermal metrology of silicon microstructures using Raman spectroscopy 

    Abel, Mark R.; Wright, Tanya L.; King, William P.; Graham, Samuel (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2007-06)
    Thermal metrology of an electrically active silicon heated atomic force microscope cantilever and doped polysilicon microbeams was performed using Raman spectroscopy. The temperature dependence of the Stokes Raman peak ...
  • Electrodeposition of mixed adherent thin films of poly(ethyl acrylate) and polyacrylonitrile onto nickel 

    Baute, N.; Geskin, V.M.; Lazzaroni, R.; Bredas, Jean-Luc; Arys, X.; Jonas, A.M.; Legras, R.; Poleunis, C.; Bertrand, P.; Jerome, R.; Jerome, C. (Georgia Institute of TechnologyEuropean Polymer Federation, 2004-10)
    Adherent thin polymer films have been prepared by sequential electro-deposition of ethyl acrylate (EA) and acrylonitrile (AN) onto nickel. Their compo-sition has been studied by IR spectroscopy and time of flight - secondary ...
  • In Situ Acoustic Temperature Measurement During Variable-Frequency Microwave Curing 

    Davis, Cleon E.; Dickherber, Anthony; Hunt, William D.; May, Gary S. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2008-10)
    Variable-frequency microwave (VFM) curing can perform the same processing steps as conventional thermal processing in minutes, without compromising intrinsic material properties. With increasing demand for novel dielectrics, ...
  • SPICE Optimization of Organic FET Models Using Charge Transport Elements 

    Vaidya, Vaibhav; Kim, Jungbae; Haddock, Joshua N.; Kippelen, Bernard; Wilson, Denise (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2009-01)
    We report on a modeling technique that uses charge transport equations to calculate channel current in organic field effect transistors (OFETs) by numerical solution in. the SPICE simulation program. SPICE is also used to ...
  • Gains for RF tags using multiple antennas 

    Griffin, Joshua D.; Durgin, Gregory D. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2008-02)
    Backscatter radio systems, including high frequency radio frequency identification (RFID), operate in the dyadic backscatter channel - a two-way pinhole channel that has deeper small-scale fades than that of a conventional ...
  • Nitrogen- and Boron-Doped Carbon Nanotube Electrodes in a Thermo-Electrochemical Cell 

    Salazar, Pablo F.; Kumar, Satish; Cola, Baratunde A. (Georgia Institute of TechnologyElectrochemical Society, 2012)
    We explore the prospects of using doped carbon nanotube (CNT) electrodes to increase the output power of thermo-electrochemical cells (TECs). CNT buckypaper electrodes doped with nitrogen and boron were characterized using ...
  • Microsensor integration into systems-on-chip 

    Brand, Oliver (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2006-06)
    Sensing systems-on-chip (SSoCs), combining micromachined sensing structures and microelectronic building blocks on a single chip, are reviewed. While single-chip pressure and inertial sensing systems have been commercially ...
  • Optimal sliding correlator channel sounder design 

    Pirkl, Ryan J.; Durgin, Gregory D. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2008-09)
    The sliding correlator technique remains one of the most versatile and effective methods for sounding the radio propagation channel in next-generation wireless systems. Despite their utility, there has never been a ...
  • Link envelope correlation in the backscatter channel 

    Griffin, Joshua D.; Durgin, Gregory D. (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2007-09)
    High-frequency backscatter radio systems operate in the dyadic backscatter channel, a pinhole channel whose envelope probability density function and bit-error-rate performance are strongly affected by link envelope ...
  • RF tag antenna performance on various materials using radio link budgets 

    Griffin, Joshua D.; Durgin, Gregory D.; Haldi, Andreas; Kippelen, Bernard (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2006)
    Passive radio frequency (RF) tags in the UHF and microwave bands have drawn considerable attention because of their great potential for use in many radio frequency identification (RFID) applications. However, more basic ...
  • Board-level optical-to-electrical signal distribution at 10 Gb/s 

    Chang, Yin-Jung; Guidotti, Daniel; Wan, Lixi; Gaylord, Thomas K.; Chang, Gee-Kung (Georgia Institute of TechnologyInstitute of Electrical and Electronics Engineers, 2006-09)
    An opto/electrical prototype for on-board optical-to-electrical signal broadcasting operating at 10 Gb/s per channel over an interconnect distance of 10 cm is demonstrated. An improved 1 4 multimode interference (MMI) ...
  • Photoelectron spectroscopy studies of plasma-fluorinated epitaxial graphene 

    Sherpa, Sonam D.; Paniagua, Sergio A.; Levitin, Galit; Marder, Seth R.; Williams, M. D.; Hess, Dennis W. (Georgia Institute of TechnologyAmerican Vacuum Society, 2012-05)
    Fluorination of graphene has emerged as an attractive approach toward manipulating its physical, chemical, and electronic properties. To this end, we have demonstrated the viability of sulfur hexafluoride plasmas to ...
  • Fabrication of microchannels using polynorbornene photosensitive sacrificial materials 

    Wu, X. Q.; Reed, H. A.; Wang, Y.; Rhodes, L. F.; Elce, E.; Ravikiran, R.; Shick, R. A.; Henderson, Clifford L.; Allen, S. A. B.; Kohl, P. A. (Georgia Institute of TechnologyElectrochemical Society, 2003-09)
    A processing method has been demonstrated for the fabrication of microchannels using photosensitive polynorbornene copolymer based sacrificial materials. The channel geometric patterns of sacrificial polymer were made via ...
  • Dihedral-angle information entropy as a gauge of secondary structure propensity 

    Zhong, Shi; Moix, Jeremy M.; Quirk, Stephen; Hernandez, Rigoberto (Georgia Institute of TechnologyBiophysical Society, 2006-12)
    Protein structural information can be uncovered using an information-theory-based entropy and auxiliary functions by taking advantage of high-quality correlation plots between the dihedral angles around a residue and those ...
  • Direct photopatterning of metal oxide structures using photosensitive metallorganics 

    Barstow, S.J.; Jeyakumar, A.; Roman, P.J.; Henderson, Clifford L. (Georgia Institute of TechnologyElectrochemical Society, 2004)
    A novel process employing photosensitive metallorganic precursor materials is used to pattern thin-film mixed-metal oxide structures. In this process a photosensitive metallorganic precursor is coated onto a silicon substrate ...
  • A simple method for measurement of photoacid generator photoreaction kinetics in formulated, chemically amplified photoresist films 

    Lee, Cheng-Tsung; Yueh, Wang; Roberts, Jeanette; Henderson, Clifford L. (Georgia Institute of TechnologyElectrochemical Society, 2007)
    A method which utilizes experimental measurement and modeling of photoacid-catalyzed deprotection rates obtained via Fourier transform infrared spectroscopy has been developed for determining photoacid generator PAG ...
  • A top surface imaging method using area selective ALD on chemically amplified polymer photoresist films 

    Sinha, Ashwini; Hess, Dennis W.; Henderson, Clifford L. (Georgia Institute of TechnologyElectrochemical Society, 2006)
    A method for performing top surface imaging TSI on a single polymeric photoresist film using area selective atomic layer deposition ALD is presented. In this method, exposure of the polymer thin film creates reactive ...
  • Area-selective ALD of titanium dioxide using lithographically defined poly (methyl methacrylate) films 

    Sinha, A.; Hess, Dennis W.; Henderson, Clifford L. (Georgia Institute of TechnologyElectrochemical Society, 2006)
    An approach to area-selective atomic layer deposition techniques based on the use of a lithographically definable polymeric masking layer has been reported. Successful direct patterned deposition of TiO2 is demonstrated ...

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