Prof. Hany Aziz Profile

Prof. Hany Aziz

Professor at Univ of Waterloo

SPIE Involvement:

Author

Publications (37)

Proceedings Article | 3 October 2022 Presentation + Paper

Modulation in charge distribution via polyethylenimine-incorporation into ZnO electron transport layer and its impact on quantum-dots light emitting device stability

Dong Seob Chung, Hany Aziz

Proceedings Volume 12208, 1220807 (2022) https://doi.org/10.1117/12.2631581

KEYWORDS: Electroluminescence, Zinc oxide, Quantum dot displays, External quantum efficiency, Interfaces, Electron transport, Excitons

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Proceedings Article | 3 October 2022 Presentation

The influence of charge transport layers on the EL stability of QDLEDs (Conference Presentation)

Dong Seob Chung, Tyler Davidson-Hall, Atefeh Ghorbani Koltapeh, Mohsen Azadinia, Hany Aziz

Proceedings Volume PC12208, PC122080J (2022) https://doi.org/10.1117/12.2638019

KEYWORDS: Electroluminescence, Quantum dot displays, Excitons, Zinc oxide, Quantum dots, Modulation, Luminescence, Flat panel displays, Electron transport, Doping

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Proceedings Article | 4 August 2021 Presentation + Paper

The potential benefits of polyethylenimine as an electron extraction layer for facilitating the manufacturing of inverted organic solar cells

Mozhgan Sadeghianlemraski, Hany Aziz

Proceedings Volume 11809, 1180910 (2021) https://doi.org/10.1117/12.2597312

KEYWORDS: Solar cells, Zinc oxide, Manufacturing, Ultraviolet radiation, Organic photovoltaics, Photovoltaics, Metals, Electrodes, Aluminum, Polymers

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Proceedings Article | 1 August 2021 Presentation + Paper

The influence of charge carriers in the hole transport layer on stability of quantum dot light-emitting devices

Tyler Davidson-Hall, Hany Aziz

Proceedings Volume 11808, 118081I (2021) https://doi.org/10.1117/12.2597418

KEYWORDS: Quantum dot displays, Electroluminescence, Excitons, Quantum dots, Organic semiconductors, Interfaces, Zinc oxide

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Proceedings Article | 1 August 2021 Presentation + Paper

Improvement in the stability of phosphorescent OLED with solution-coated hole-transport layer via exciplex–triplet energy transfer

Fatemeh Samaeifar, Hany Aziz

Proceedings Volume 11808, 118080G (2021) https://doi.org/10.1117/12.2597360

KEYWORDS: Phosphorescent organic light-emitting diodes, Organic light emitting diodes, Energy transfer, Luminescence, Electrons, Electroluminescence, Phosphorescence, Excitons

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Proceedings Article | 3 September 2019 Paper

The influence of the electron transport and emission layers on the morphological instability of QDLEDs

Tyler Davidson-Hall, Ahmed Elbaroudy, Hany Aziz

Proceedings Volume 11093, 1109328 (2019) https://doi.org/10.1117/12.2529478

KEYWORDS: Quantum dot displays, Zinc oxide, Electroluminescence, Annealing, Electron transport, Atomic force microscopy, Optoelectronics, Luminescence, Quantum dots, Surface roughness

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Proceedings Article | 3 September 2019 Paper

Influence of deposition rate on hole transport layer morphology and its effect on the electroluminescence stability of phosphorescent organic light emitting devices

Hyeonghwa Yu, Hany Aziz

Proceedings Volume 11093, 110932A (2019) https://doi.org/10.1117/12.2529653

KEYWORDS: Excitons, Phosphorescent organic light-emitting diodes, Electroluminescence, Organic light emitting diodes, Surface roughness

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Proceedings Article | 8 March 2019 Presentation

Investigating the root causes of the stability-gap between solution-coated and vacuum-deposited small-molecule organic light-emitting devices (Conference Presentation)

Yong Joo Cho, Hyeonghwa Yu, Elizabeth Salsberg, Hany Aziz

Proceedings Volume 10942, 109420B (2019) https://doi.org/10.1117/12.2511531

KEYWORDS: Coating, Organic light emitting diodes, Excitons, Molecules, Electroluminescence, Fabrication, Inkjet technology, Printing, Vacuum deposition, Luminescence

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Proceedings Article | 19 September 2017 Presentation

Investigating the causes of the lower stability of solution-coated versus vacuum-deposited small-molecule organic light emitting devices (Conference Presentation)

Hany Aziz, Yong Joo Cho, Hyeonghwa Yu, Yingjie Zhang

Proceedings Volume 10362, 103620R (2017) https://doi.org/10.1117/12.2276696

KEYWORDS: Organic light emitting diodes, Coating, Molecular aggregates, Molecules, Electroluminescence, Excitons, Fabrication, Inkjet technology, Printing, Vacuum deposition

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Proceedings Article | 4 November 2016 Presentation

The role of the host versus the guest in the electroluminescence degradation of PHOLEDs (Conference Presentation)

Yingjie Zhang, Hany Aziz

Proceedings Volume 9941, 99410Q (2016) https://doi.org/10.1117/12.2237857

KEYWORDS: Electroluminescence, Phosphorescent organic light-emitting diodes, Excitons, Polarons, Molecular aggregates, Molecular interactions, Luminescence, Current controlled current source

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Proceedings Article | 5 October 2015 Presentation

Degradation of wide band-gap electrolumienscent materials by exciton-polaron interactions (Presentation Recording)

Hany Aziz, Qi Wang

Proceedings Volume 9566, 95660V (2015) https://doi.org/10.1117/12.2187247

KEYWORDS: Electroluminescence, Organic light emitting diodes, Interfaces, Excitons, Polarons, Electron transport, Video, Current controlled current source

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Proceedings Article | 22 September 2015 Paper

Dependence of light outcoupling in organic light-emitting devices on ITO thickness and roughness

Yingjie Zhang, Hany Aziz

Proceedings Volume 9566, 95661R (2015) https://doi.org/10.1117/12.2186873

KEYWORDS: Organic light emitting diodes, Transmittance, Optical microcavities, External quantum efficiency, Etching, Light scattering, Interfaces, Surface roughness, Indium, Tin

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Proceedings Article | 22 September 2015 Paper

A comparison of the effect of joule heating vs thermal annealing on the morphology of typical hole transport layers in organic light emitting devices

Tyler Davidson-Hall, Hany Aziz

Proceedings Volume 9566, 956621 (2015) https://doi.org/10.1117/12.2188676

KEYWORDS: Organic light emitting diodes, Annealing, Aluminum, Glasses, Temperature metrology, Thermal effects, Atomic force microscopy, Control systems, Optoelectronics, Optoelectronic devices

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Proceedings Article | 8 October 2014 Paper

Interplay between ambient and exciton-induced degradation in organic light-emitting devices

Yingjie Zhang, Qi Wang, Hany Aziz

Proceedings Volume 9183, 91831U (2014) https://doi.org/10.1117/12.2061119

KEYWORDS: Organic light emitting diodes, Interfaces, Consumer electronics, Organic materials, Nanotechnology, Excitons, Computer engineering, Oxygen, Luminescence, Oxidation

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Proceedings Article | 6 October 2014 Paper

Understanding charge transport in vacuum deposited Schottky organic solar cells with microsecond transient photocurrent measurements

Sibi Sutty, Graeme Williams, Hany Aziz

Proceedings Volume 9184, 91841P (2014) https://doi.org/10.1117/12.2061067

KEYWORDS: Absorption, External quantum efficiency, Organic photovoltaics, Excitons, Solar cells, Fullerenes, Physics, Molybdenum, Oxides, Photovoltaics

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Proceedings Article | 6 October 2014 Paper

Reducing the variability in performance of organic solar cells containing vacuum deposited MoOx extraction layers

Graeme Williams, Hany Aziz

Proceedings Volume 9184, 91841Q (2014) https://doi.org/10.1117/12.2061078

KEYWORDS: Solar cells, Organic photovoltaics, Polymers, Molecules, Photovoltaics, Oxides, Absorption, Laser induced fluorescence, Organic materials, Annealing

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Proceedings Article | 6 October 2014 Paper

Pyrrolidinone derivatives as processing additives for solution processed organic solar cells

Uyxing Vongsaysy, Bertrand Pavageau, Laurent Servant, Hany Aziz

Proceedings Volume 9184, 91841V (2014) https://doi.org/10.1117/12.2061381

KEYWORDS: Organic photovoltaics, Solar cells, Additive manufacturing, Polymers, Zinc, Optical spheres, Bioalcohols, Indium, Tin, Photovoltaics

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SPIE Journal Paper | 10 June 2014 Open Access

Formulation strategies for optimizing the morphology of polymeric bulk heterojunction organic solar cells: a brief review

Uyxing Vongsaysy, Dario Bassani, Laurent Servant, Bertrand Pavageau, Guillaume Wantz, Hany Aziz

JPE, Vol. 4, Issue 01, 040998, (June 2014) https://doi.org/10.1117/12.10.1117/1.JPE.4.040998

KEYWORDS: Polymers, Crystals, Heterojunctions, Fullerenes, Magnesium, Transmission electron microscopy, Excitons, Organic photovoltaics, Solar cells, Atomic force microscopy

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SPIE Journal Paper | 7 May 2014 Open Access

Fullerene-based Schottky-junction organic solar cells: a brief review

Sibi Sutty, Graeme Williams, Hany Aziz

JPE, Vol. 4, Issue 01, 040999, (May 2014) https://doi.org/10.1117/12.10.1117/1.JPE.4.040999

KEYWORDS: Excitons, Fullerenes, Absorption, Organic photovoltaics, Solar cells, External quantum efficiency, Interfaces, Doping, Molecules, Physics

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Proceedings Article | 17 October 2013 Paper

New insights into charge extraction and formation of the band-bending region in Schottky junction organic solar cells

Sibi Sutty, Graeme Williams, Hany Aziz

Proceedings Volume 8830, 88300L (2013) https://doi.org/10.1117/12.2023416

KEYWORDS: Plasma, Molecules, Oxygen, Excitons, Solar cells, Interfaces, Fullerenes, Organic photovoltaics, Absorption, Ions

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Proceedings Article | 17 October 2013 Paper

Insights into electron and hole extraction layers for upright and inverted vacuum-deposited small molecule organic solar cells

Graeme Williams, Hany Aziz

Proceedings Volume 8830, 88301V (2013) https://doi.org/10.1117/12.2023724

KEYWORDS: Metals, Solar cells, Electrodes, Molecules, Organic photovoltaics, Excitons, Diffusion, Aluminum, Electron transport, Interfaces

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Proceedings Article | 27 September 2013 Paper

Recent progress on the vacuum deposition of OLEDs with feature sizes ≤ 20 μm using a contact shadow mask patterned in-situ by laser ablation

Yoshitaka Kajiyama, Kevin Joseph, Koich Kajiyama, Syuji Kudo, Hany Aziz

Proceedings Volume 8829, 882919 (2013) https://doi.org/10.1117/12.2023308

KEYWORDS: Organic light emitting diodes, Optical lithography, Electrodes, Laser ablation, Vacuum deposition, Image resolution, Aluminum, Electroluminescence, Optical resolution, LCDs

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Proceedings Article | 27 September 2013 Paper

Correlation between exciton-induced degradation of organic/metal interfaces and energy barrier for electron injection at organic/metal interfaces in organic optoelectronic devices

Qi Wang, Hany Aziz

Proceedings Volume 8829, 882920 (2013) https://doi.org/10.1117/12.2023639

KEYWORDS: Interfaces, Metals, Silver, Magnesium, Aluminum, Organic materials, Optoelectronic devices, Organic optoelectronics, Ultraviolet radiation, Alkali metals

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Proceedings Article | 27 September 2013 Paper

Correlation between shift in recombination zone and efficiency roll-off in phosphorescent organic light emitting devices (PHOLEDs)

Hossein Zamani Siboni, Hany Aziz

Proceedings Volume 8829, 882929 (2013) https://doi.org/10.1117/12.2023783

KEYWORDS: Electroluminescence, Interfaces, Excitons, Phosphorescent organic light-emitting diodes, Energy efficiency, Energy transfer, Organic materials, Organic light emitting diodes, Electron transport, Aluminum

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Proceedings Article | 27 March 2013 Paper

Terahertz time-domain spectroscopy of organic semiconductors

Daniel Hailu, Hany Aziz, Safieddin Safavi-Naeini, Daryoosh Saeedkia

Proceedings Volume 8624, 86240C (2013) https://doi.org/10.1117/12.1000097

KEYWORDS: Terahertz radiation, Absorption, Spectroscopy, Organic semiconductors, Terahertz spectroscopy, Water, Nitrogen, Fourier transforms, Refractive index, Refraction

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Proceedings Article | 13 September 2012 Paper

Role of the cathode interfacial layers in improving the stability of organic optoelectronic devices

Qi Wang, Hany Aziz

Proceedings Volume 8476, 84760D (2012) https://doi.org/10.1117/12.929111

KEYWORDS: Metals, Electroluminescence, Organic light emitting diodes, Organic optoelectronics, Optoelectronic devices, Aluminum, Photodetectors, Cesium, Lithium, Carbonates

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Proceedings Article | 13 September 2012 Paper

Use of delayed electroluminescence as a tool to investigate the emission mechanism of phosphorescent organic light emitting devices

Hossein Zamani Siboni, Dandan Song, Hany Aziz

Proceedings Volume 8476, 84761F (2012) https://doi.org/10.1117/12.929279

KEYWORDS: Electroluminescence, Phosphorescent organic light-emitting diodes, Excitons, Energy transfer, Aluminum, Electron transport, Camera shutters, Molecules, Molecular energy transfer, Measurement devices

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Proceedings Article | 13 September 2012 Paper

Imaging organic solar cell morphology with organic light emitting diode-organic solar cell devices

Graeme Williams, Hany Aziz

Proceedings Volume 8477, 84770G (2012) https://doi.org/10.1117/12.929173

KEYWORDS: Organic light emitting diodes, Solar cells, Organic photovoltaics, Heterojunctions, Annealing, Light emitting diodes, Polymers, Electrons, OLED lighting, Electroluminescence

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Proceedings Article | 20 August 2009 Paper

Photoluminescence studies of organic light-emitting devices based on 9,10-bis (2-naphthyl)-2-t-butylanthracene (TBADN)

Yichun Luo, Qi Wang, Hany Aziz

Proceedings Volume 7415, 741503 (2009) https://doi.org/10.1117/12.827970

KEYWORDS: Luminescence, Electroluminescence, Organic light emitting diodes, Electron transport, Absorption, Aluminum, Ultraviolet radiation, Lamps, Magnesium, Photons

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Proceedings Article | 5 December 2006 Paper

Electric field and temperature dependence of photoluminescence in fluorescent dye doped tris(8-hydroxyquinoline) aluminum

Yichun Luo, Hany Aziz, Gu Xu, Zoran Popovic

Proceedings Volume 6333, 63331V (2006) https://doi.org/10.1117/12.692910

KEYWORDS: Excitons, Quantum efficiency, Luminescence, Aluminum, Molecules, Temperature metrology, Organic light emitting diodes, Quenching (fluorescence), Doping, Diffusion

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Proceedings Article | 8 October 2005 Paper

Delayed electroluminescence: a new tool for studies of OLED fundamental properties

Zoran Popovic, Hany Aziz

Proceedings Volume 5937, 59370S (2005) https://doi.org/10.1117/12.626159

KEYWORDS: Electroluminescence, Organic light emitting diodes, Heterojunctions, Molecules, Electron transport, Luminescence, Quenching (fluorescence), Systems modeling, OLED lighting, Measurement devices

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Proceedings Article | 16 February 2004 Paper

Novel cathode for organic light-emitting devices with reduced optical reflectivity

Hany Aziz, Yoon-Fei Liew, Zoran Popovic

Proceedings Volume 5214, (2004) https://doi.org/10.1117/12.512505

KEYWORDS: Organic light emitting diodes, Reflectivity, Silver, Metals, Magnesium, Electrodes, Organic materials, Electroluminescence, Electron transport, Interfaces

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Proceedings Article | 3 March 2003 Paper

OLEDs with enhanced high-temperature operational stability

Zoran Popovic, George Vamvounis, Hany Aziz, Nan-Xing Hu

Proceedings Volume 4800, (2003) https://doi.org/10.1117/12.454858

KEYWORDS: Organic light emitting diodes, Molecules, Electron transport, Telescopic pixel displays, Ionization, Temperature metrology, Electroluminescence, Glasses, Instrument modeling, Organic materials

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Proceedings Article | 3 March 2003 Paper

Study of organic light-emitting devices with 5,6,11,12-tetraphenylnaphthacene (rubrene)-doped hole transport layer

Hany Aziz, Zoran Popovic

Proceedings Volume 4800, (2003) https://doi.org/10.1117/12.454857

KEYWORDS: Organic light emitting diodes, Doping, Interfaces, Electron transport, Aluminum, Molecules, Electroluminescence, Glasses, Measurement devices, Energy transfer

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Proceedings Article | 2 February 2001 Paper

Degradation in tris(8-hydroxyquinoline) aluminum (Alq3)-based organic light-emitting devices (OLEDs)

Hany Aziz, Zoran Popovic, Nan-Xing Hu, Paulo DosAnjos, Andronique Ioannidis

Proceedings Volume 4105, (2001) https://doi.org/10.1117/12.416901

KEYWORDS: Organic light emitting diodes, Electroluminescence, Luminescence, Quantum efficiency, Aluminum, Time resolved spectroscopy, Molecules, Interfaces, Quenching (fluorescence), Electron transport

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Proceedings Article | 17 December 1999 Paper

Mechanism of the intrinsic (long-term) degradation in AlQ3-based organic light-emitting devices

Zoran Popovic, Hany Aziz, Nan-Xing Hu, Ah-Mee Hor, Gu Xu

Proceedings Volume 3797, (1999) https://doi.org/10.1117/12.372725

KEYWORDS: Organic light emitting diodes, Luminescence, Electron transport, Telescopic pixel displays, Doping, Interfaces, Molecules, Ionization, Electroluminescence, Quantum efficiency

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Proceedings Article | 16 December 1998 Paper

Improving the efficiency and stability of organic light-emitting devices using mixed emitting layers

Zoran Popovic, Hany Aziz, Carl Tripp, Nan-Xing Hu, Ah-Mee Hor, Gu Xu

Proceedings Volume 3476, (1998) https://doi.org/10.1117/12.332630

KEYWORDS: Organic light emitting diodes, Electroluminescence, Quantum efficiency, Electron transport, Absorption, Excitons, Luminescence, Metals, Aluminum, Electrodes

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Showing 5 of 37 publications

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