You are here

Publications

Publications by:

Professor Karim S. Karim

  1. T. Nano, T. Escartin, E. Ismailova, K.S. Karim, J. Lindstrom, H.K. Kim, I. Cunningham, “Apodized Aperture Pixel Design for Improved Quantum Efficiency of X-ray Detectors,” IEEE Transactions on Medical Imaging, submitted October 2015. (8 journal pages)
  2. A. Hamouda, K.S. Karim, M. Anis, “MIB (Model-based Initial Bias): Towards a Single Iteration Optical Proximity Correction,” IEEE Transactions on Computer Aided Design, accepted December 2015, in press (6 journal pages).
  3. S. Abbaszadeh, S. Ghaffari, S. Siddiquee, M.Z. Kabir, K.S. Karim, “Characterization of lag signal in amorphous selenium detectors,” IEEE Transactions on Electron Devices, accepted December 2015, in press (6 journal pages)
  4. C.C. Scott, A. Parsafar, A. El-Falou, P. M. Levine, K.S. Karim, “High Dose Efficiency, Ultra-high Resolution Amorphous Selenium/CMOS Hybrid Digital X-ray Imager,” IEEE International Electron Devices Meeting (IEDM) Technical Digest, October 2015, in press. (4 journal pages)
  5. S. Ghaffari, S. Abbaszadeh, S. Ghanbarzadeh, K.S. Karim, “Characterization of Optically Sensitive Amorphous Selenium Photodetector at High Electric Fields,” IEEE Transactions on Electron Devices, May 2015, in press. (6 journal pages)
  6. K. Wang, S. Abbaszadeh, K.S. Karim, J.A. Rowlands, A. Reznik, “Reactive ion assisted deposition of cerium oxide hole-blocking contact for leakage current suppression in amorphous selenium multilayer structure,” IEEE Sensors Journal, 15(7), pp.3871-6, July 2015. (6 journal pages)

Conference Papers

  1. C. C. Scott, A. Parsafar, A. El-Falou, P. M. Levine, K. S. Karim, “High Dose Efficiency, Ultra-high Resolution Amorphous Selenium/CMOS Hybrid Digital X-ray Imager,” in the 2015 IEEE International Electron Devices Meeting (IEDM), accepted as oral.
  2. T. Nano, T. Escartin, K.S. Karim, I. Cunningham, “The new generation of x-ray detectors: higher DQE and less aliasing with lower exposures,” in SPIE Medical Imaging 2016: Physics of Medical Imaging, San Diego, USA, accepted as oral.
  3. M.K. Russ, A. Jain, S.V.S. Nagesh, C.N. Ionita, C.C. Scott, K.S. Karim, D. R. Bednarek, S. Rudin, “Quantitative comparison using generalized relative object detectability (G-ROD) metrics of an amorphous selenium detector with high-resolution microangiographic fluoroscopes (MAF) and standard flat panel detectors (FPD),” in SPIE Medical Imaging 2016: Physics of Medical Imaging, San Diego, USA, accepted as poster.
  4. S.L. Maurino, I. Cunningham, K.S. Karim, “Theoretical and Monte Carlo optimization of a stacked three-layer flat-panel x-ray imager for applications in multi-spectral diagnostic medical imaging,” in SPIE Medical Imaging 2016: Physics of Medical Imaging, San Diego, USA, accepted as poster.
  5. K.S. Karim, “Ethics 2.0: An introspective approach to understanding and taking ownership of your actions,” in Canadian Engineering Education Association Annual Conference, Hamilton, Canada, accepted as oral, May 2015.
  6. M. Russ, S. V. Setlur Nagesh, C. N. Ionita, C. Scott, K. S. Karim, D. R. Bednarek, S. Rudin, “Relative Object Detectability Evaluation of a New High Resolution a-Se Direct Detection System Compared to other Indirect Micro-Angiographic Fluoroscopic (MAF) Detectors,” in American Association of Physicists in Medicine (AAPM) Annual Meeting, March 2015, accepted as oral.
  7. E. Ismailova, K.S. Karim, I. Cunningham, “Apodized-Aperture Pixel Design to Increase High-Frequency DQE and Reduce Noise Aliasing in X-Ray Detectors,” in SPIE Medical Imaging 2015: Physics of Medical Imaging, Orlando, USA, February 2015.

Back to top

Professor William S. Wong

  1. C.-H. Lee, N. Vardy, and W.S. Wong, “Multilayer MoS2 Thin-Film Transistors Employing Silicon Nitride and Silicon Oxide Dielectric Layers,” IEEE Electron Dev. Lett. 37, 731 (2106).
  2. M. Pathirane and W.S. Wong, “Optical and Electrical Characteristics of Hybrid ZnO Nanowire/a-Si:H Solar Cells on Flexible Substrates under Mechanical Bending,” Small 12, 2554 (2016).
  3. N. Dhindsa, J. Walia, M. Pathirane, I. Khodadad, W.S. Wong, and S.S. Saini, “Adjustable optical response of amorphous silicon nanowires integrated with thin films,” Nanotech. 27, 145703 (2016).
  4. Nikolas P. Papadopoulos, Czang-Ho Lee, Alireza Tari, William S. Wong, and Manoj Sachdev "Low-Power Bootstrapped Rail-to-Rail Logic Gates for Thin Film Applications," IEEE/OSA Journal of Display Technology (2016, in press).
  5. M. Pathirane, B. Inheanacho, A. Tamang, C.H. Lee, R. Lujan, D. Knipp, and W.S. Wong, “Hybrid ZnO nanowire/a-Si: H thin-film radial junction solar cells using nanoparticle front contacts,” Appl. Phys. Lett. 107, 143903 (2015).
  6. A. Tari and W.S. Wong, “Selective wet-etch processing of optically transparent flexible InGaZnO thin-film transistors,” Appl. Phys. Lett. 107, 023501 (2015).
  7. Alireza Tari, Czang-Ho Lee, and William S. Wong, "Electrical dependence on the chemical composition of the gate dielectric in indium gallium zinc oxide thin-film transistors", Appl. Phys. Lett.  107, 193502 (2015).
  8. C.-H. Lee, W.S. Wong, A. Sazonov, A. Nathan, “Study of deposition temperature on high crystallinity nanocrystalline silicon thin films with in-situ hydrogen plasma-passivated grains,” Thin Sol. Films 597, 151 (2015).
  9. Shiva Abbaszadeh, Alireza Tari, William S. Wong, and Karim S. Karim," Enhanced Dark Current Suppression of Amorphous Selenium Detector With Use of IGZO Hole Blocking Layer", IEEE Transactions on Electron Devices, 61(9), 6874497, pp. 3355-3357 (2014).
  10. N. Papadopoulos, C.H. Lee, W.S. Wong, “Hybrid Sensor and Display Pixel Circuits for Mobile Near-to-Eye Applications,” IEEE J. Disp. Technol. 10, 574 (2014).
  11. A. Tamang, M. Pathirane, R. Parsons, M.M. Schwarz, B. Inheanacho, V. Jovanov, V. Wagner, W.S. Wong, and D. Knipp, ZnO nanowire arrays for silicon core/shell solar cells,” Opt. Express, 22, S3, pp. A622-A632 (2014).
  12. M.F. Yang, N.P. Papadopoulos, W.S. Wong, M. Sachdev, “A novel voltage-programmed pixel circuit utilizing VT dependent charge transfer to improve stability of AMOLED Display,” IEEE J. Disp. Technol., Vol. 9, No. 12,  pp. 967-964. (2013).
  13. M.J. Chow, A.A. Fomani, M. Moradi, G. Chaji, R.A. Lujan, and W.S. Wong, “Effects of mechanical strain on amorphous silicon thin-film transistor electrical stability,” Appl. Phys. Lett., Vol. 102, No. 23, 2033509 (2013).
  14. M.F. Yang, N.P. Papadopoulos, W.S. Wong, M. Sachdev, “A novel 4-TFT pixel circuit with threshold compensation for AMOLED Displays,” IEEE Photonic. Conf. pp. 516-517 (2012).
  15. M.R. Esmaeili-Rad, N.P. Papadopoulos, M. Bauza*, A. Nathan, and W.S. Wong, “Blue-Light-Sensitive Phototransistor for Indirect X-Ray Image Sensors,” IEEE Electron Dev. Lett. 33, pp. 567-569 (2012).
  16. Invited - W.S. Wong, T.N. Ng, M.L. Chabinyc, and S. Sambandan**, “Materials, processing, and testing of flexible image sensor arrays,” IEEE Design and Test of Computers 28, pp. 16-22 (2011).
  17. W.S. Wong, S. Raychaudhuri, R. Lujan, S. Sambandan, R.A. Street, “Hybrid Si nanowire/amorphous silicon FETs for Large-area Image Sensor Arrays,” Nano Lett. 11, 6, pp. 2214-2218 (2011).

Back to top

Professor Hany Aziz

  1. Y. Zhang and H. Aziz, “Influence of the Guest on Aggregation of the Host by ExcitonPolaron Interactions and Its Effects on the Stability of Phosphorescent Organic Light-Emitting Devices” ACS Applied Materials & Interfaces (DOI 10.1021/acsami.6b02946) (2016).

  2. H. Zamani Siboni, B. Sadeghimakki, S. Sivoththaman and H. AzizQuantum Dot Light Emitting Devices with Record High Current Efficiency via Phosphorescent Sensitizers and Thermal Annealing” ACS Applied Materials & Interfaces 7, 25828 (2015)

  3. Y. Kajiyama, K. Kajiyama and H. AzizMaskless RGB Color Patterning of Vacuum-deposited Small Molecule OLED Displays by Diffusion of Luminescent Dopant Molecules” Optics Express 23, 16650 (2015).

  4. G. Williams and H. Aziz, “Vacuum Deposited Ternary Mixture Organic Solar Cells” Organic Electronics 17, 229 (2015).

  5. Y. Zhang and H. Aziz, “Very High Efficiency Phosphorescent Organic Light-Emitting Devices by Using Rough Indium Tin Oxide” Applied Physics Letters 105, 013305 (2014).

  6. G. Williams and H. Aziz, “Implications of the Device Structure on the Photo-Stability of Organic Solar Cells” Solar Energy Materials & Solar Cells 128, 320 (2014).

  7. B. Sun, W. Hong, Z. Yan, H. Aziz, Y. Li, “Record High Electron Mobility of 6.3 cm2V-1s-1 Achieved for Polymer Semiconductors Using a New Building Block” Advanced Materials 26, 2636 (2014).

  8. Y. Kajiyama, K. Joseph, K. Kajiyama, S. Kudo, H. Aziz, “Small Feature Sizes and High Aperture Ratio OLEDs by Using Laser-patterned Polyimide Shadow Masks” Applied Physics Letters 104, 053303 (2014).

  9. Q. Wang, B. Sun, H. Aziz, “Exciton-polaron-induced Aggregation of Wide Bandgap Materials and its Implications on the Electroluminescence Stability of Phosphorescent Organic Light-Emitting Devices” Advanced Functional Materials 24, 2975 (2014).

  10. U. Vongsaysy, B. Pavageau, G. Wantz, L. Servant, D. M. Bassani and H. Aziz, “Guiding the Selection of Processing Additives for Increasing the Efficiency of Bulk Heterojunction Polymeric Solar Cells” Advanced Energy Materials 4, 1300752 (2014).

  11. Q. Wang and H. Aziz, “Degradation of Organic/Organic Interfaces in Organic Light-Emitting Devices due to Polaron-Exciton Interactions” ACS Applied Materials & Interfaces 5, 8733 (2013).

  12. Y. Zhang, M. AbdelMalek, Q. Wang and H. Aziz, “Degradation Mechanism in Simplified Phosphorescent Organic Light-Emitting Devices Utilizing One Material for Hole Transport and Emitter Host” Applied Physics Letters 103, 063307 (2013).

  13. S. Sutty, G. Williams and H. Aziz, “Role of the Donor Material and the Donor-Acceptor Mixing Ratio in Increasing the Efficiency of Schottky Junction Organic Solar Cells” Organic Electronics 14, 2392 (2013).

  14. L. Murphy, W. Hong , H. Aziz and Y. Li, “Organic Photovoltaics with Thick Active Layers (~800 nm) Using a High Mobility Polymer Donor” Solar Energy Materials & Solar Cells 114, 71 (2013).

  15. G. Williams, Q. Wang and H. Aziz, “The Photo-stability of Polymer Solar Cells: Contact Photo-degradation and the Benefits of Interfacial Layers” Advanced Functional Materials 23, 2239 (2013).

Back to top

Professor Bo Cui

  1. Zhang J, Con C and Cui B, “Electron beam lithography on irregular surfaces with evaporated resist”, ACS Nano, 8, 3483–3489 (2014).
  2. Irannejad M, Cui B, and Yavuz M, “Optical properties and liquid sensitivity of Au-SiO2-Au nanobelt structure”, Plasmonics, 11, 1-9 (2016).
  3. Zhang J, Cao K, Wang X, and Cui B, “Metal-carbonyl organometallic polymers, PFpP, as resists for high-resolution positive and negative electron beam lithography”, Chemical Communications, 51, 17592-17595 (2015).
  4. Zhang J, Irannejad M and Cui B, “Bowtie nanoantenna with single-digit nanometer gap for surface-enhanced Raman scattering (SERS)”, Plasmonics, 10, 831-837 (2015).
  5. Zhang J, Irannejad M, Yavuz M and Cui B, “Gold nanohole array with sub-1 nm roughness by annealing for sensitivity enhancement of extraordinary optical transmission biosensor”, Nanoscale Research Letters, 10, 238 (2015).
  6. Sun X, Radovanovic PV, and Cui B, “Advances in spinel Li4Ti5O12 anode materials for lithium-ion batteries”, New Journal of Chemistry, 39, 38-63 (2015). (review article)
  7. Abbas AS, Alqarni S, Shokouhi BB, Yavuz M, and Cui B, “Water soluble and metal-containing electron beam resist poly(sodium 4-styrenesulfonate)”, Mater. Res. Express, 1, 045102 (2014).
  8. Saffih F, Con C, Alshammari A, Yavuz M, and Cui B, “Fabrication of silicon nanostructures with large taper angle by reactive ion etching”, J. Vac. Sci. Technol. B, 32, 06FI04 (2014).
  9. Dey RK and Cui B, “Electron beam lithography with in-situ feedback using self-developing resist”, Nanoscale Research Letters, 9, 184 (2014).
  10. Con C, Zhang J and Cui B, “Nanofabrication of high aspect ratio structures using evaporated resist containing metal”, Nanotechnology, 25, 175301 (2014).
  11. Abbas AS, Yavuz M and Cui B, “Polycarbonate electron beam resist using solvent developer”, Microelectron. Eng., 113, 140-142 (2014).
  12. Chen JY, Con C, Yu MH, Cui B and Sun KW, “Efficiency enhancement of PEDOT:PSS/Si hybrid solar cells by using nanostructured radial junction and antireflective surface”, ACS Appl. Mater. Interfaces, 5 (15), 7552–7558 (2013).
  13. Dey RK and Cui B, “Effect of molecular weight distribution on e-beam exposure properties of polystyrene”, Nanotechnology, 24, 245302 (2013).
  14. Con C, Dey R, Ferguson M, Zhang J, Mansour R, Yavuz M and Cui B, “High molecular weight polystyrene as very sensitive electron beam resist”, Microelectronic Engineering, 98, 254-257(2012).
  15. Con C, and Cui B, “Thermal nanoimprint lithography using fluoropolymer mold”, Microelectronic Engineering, 98, 246-249 (2012).
  16. Ma S, Con C, Yavuz M and Cui B, “Polystyrene negative resist for high resolution electron beam lithography”, Nanoscale Research Letters, 6, 446 (2011).
  17. Zhang J, Cui B and Ge H, “Fabrication of flexible mold for hybrid nanoimprint-soft lithography”, Microelectronic Engineering, 88(8), 2192-2195 (2011).
  18. Cui B, Keimel C and Chou SY, “Ultrafast Direct Imprint of Nanostructures in Metals by Pulsed Laser Melting”, Nanotechnol. 21, 045303 (2010).

Back to top  

Professor Dayan Ban

  1. G. Liu, N. Mrad, E. Abdel-Rahman, and D. Ban, “Cascade-type hybrid energy cells for driving wireless sensors,” Nano Energy 26, 641-647 (2016).
  2. G. Liu, S. Zhao, R. D. E. Henderson, Z. Leonenko, E. Abdel-Rahman, Z. Mi and D. Ban, “Nanogenerators based on vertically aligned InN nanowires,” Nanoscale 8, 2097 (2016).
  3. G. Liu, E. Abdel-Rahman, and D. Ban, “Performance optimization of p-n homojunction nanowire-based piezoelectric nanogenerators through control of doping concentration,” Journal of Applied Physics 118, 094307 (2015).
  4. B. Tian, D. Ban and H. Aziz, "Enhanced bulk conductivity and bipolar transport in mixtures of MoOx and organic hole transport materials," Thin Solid Films 536, 202-205 (2013).
  5. J. Chen, J. Tao, D. Ban, M. G. Helander, Z. Wang, J. Qiu, Z. H. Lu, "Organic/Inorganic hybrid pixelless imaging device," Advanced Materials 24, 3138-3142 (2012).
  6. J. Tao, Jun Chen, Dayan Ban, Michael Helander and Z. H. Lu, "Optical up-conversion devices for infrared detection and imaging," Science of Advanced Materials 4, 266-281 (2012).
  7. B. Tian, G. Williams, D. Ban and H. Aziz, "Transparent organic light-emitting devices using a MoO3/Ag/MoO3 cathode," Journal of Applied Physics 110, 104507 (2011).
  8. J. Chen, D. Ban, Michael G. Helander, Z. Lu and P. Poole, “Near-infrared inorganic/organic optical upconverter with an external efficiency of > 100%”, Advanced Materials 22, 4900-4904 (2010).
  9. J. Chen, Dayan Ban, Michael G. Helander, Z. Lu, Marcel Graf, Anthony J. SpringThorpe and H. C. Liu, “Near infrared optical upconverter based on i-In0.53Ga0.47As/C60 photovoltaic heterojunction,” Electronic Letters 45, 753-755 (2009).
  10. J. Chen, Dayan Ban, Michael G. Helander, Z. Lu, Marcel Graf, P. Poole and H. C. Liu, “Near-infrared optical upconverter with integrated heterojunction phototransistor and organic light-emitting diode,” IEEE Photonics Technology Letters 21, 1447-1449 (2009).
  11. J. Chen, D. Ban, X. Feng, Z. Lu, S. Fathololoumi, Anthony J. Spring Thorpe and H. C. Liu, “Enhanced efficiency in near-infrared inorganic/organic hybrid optical upconverter with an embedded mirror,” Physica Status Solid -C 6, S23-26 (2009).
  12. J. Chen, D. Ban, X. Feng, Z. Lu, S. Fathololoumi, Anthony J. SpringThorpe and H. C. Liu, “Enhanced efficiency in near-infrared inorganic/ organic hybrid optical upconverter with an embedded mirror,” Journal of Applied Physics 103, 103112 (2008).

Back to top

Professor John Yeow

  1. Na, S., Wong, L. L. P., Chen, A. I. H. , Li, Z. H. , Macecek, M., Yeow, J. T. W., "Capacitive Micromachined Ultrasonic Transducers Based on Annular Cell Geometry for Air-coupled Applications," Ultrasonics, Volume 71, September 2016, Pages 152–160.
  2. A. I. H. Chen; L. L. P. Wong; S. Na; Z. Li; M. Macecek; J. T. W. Yeow, "Fabrication of a Curved Row-Column Addressed Capacitive Micromachined Ultrasonic Transducer Array," in Journal of Microelectromechanical Systems , vol.PP, no.99, pp.1-8
  3. Li, Z. H., Chen, S. Y., Nambiar, S., Sun, Y. H., Zhang, M., Zheng, W. P., Yeow, J. T. W., "PMMA/MWCNT nanocomposite for proton radiation shielding applications", Nanotechnology, 2016, June 10. 
  4. Li, Z. H., Wong, L. L. P., Chen, A. I. H. , Na, S., Macecek, M., Yeow, J. T. W., "Fabrication of Capacitive Micromachined Ultrasonic Transducers Based on Adhesive Wafer Bonding Technique,"  IEEE Journal of Microelectromechanical Systems, (submitted)
  5. L.L.P.Wong, S. Na, A.I.H. Chen, Z. Li, M. Macecek, J.T.W. Yeow, “A feasibility study of piezoelectric micromachined ultrasonic transducers fabrication using a multi-user MEMS process,” submitted to Sensors and Actuators A: Physical, 2016.
Conference
  1. Na, S., Wong, L. L. P., Chen, A. I. H. , Li, Z. H. , Macecek, M., Yeow, J. T. W., "A High-transmit-sensitivity CMUT Concentric Annular Array for Air-coupled Applications," IEEE International Ultrasonics Symposium, 2016 (Accepted for Oral Presentation)