Prof. Yongli Gao Profile

Prof. Yongli Gao

at Univ of Rochester

SPIE Involvement:

Author

Publications (28)

Proceedings Article | 1 August 2021 Presentation + Paper

Interfacial modification for high performance photodetector based on perovskite

Lin Li, Haipeng Xie, Xiaoliang Liu, Dongmei Niu, Junliang Yang, Yongli Gao

Proceedings Volume 11808, 118080Z (2021) https://doi.org/10.1117/12.2595233

KEYWORDS: Photodetectors, Perovskite, Gold, Interfaces, Heterojunctions, Thin films, Lead, Carbon, Absorption, Atomic force microscopy

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Proceedings Article | 20 August 2020 Presentation + Paper

Organic thin film morphology, electronic structure, and effect on optoelectronic device

Shitan Wang, Chuan Qian, Han Huang, Jia Sun, Junliang Yang, Dongmei Niu, Haipeng Xie, Yongli Gao

Proceedings Volume 11473, 114730N (2020) https://doi.org/10.1117/12.2572483

KEYWORDS: Thin films, Phototransistors, Atomic force microscopy, Heterojunctions, Thin film devices, Interfaces, Photoemission spectroscopy, Morphological analysis, Organic optoelectronics

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Proceedings Article | 18 September 2018 Presentation

Surface analytical investigation on stability of perovskite solar cell material (Conference Presentation)

Yongli Gao

Proceedings Volume 10736, 107361E (2018) https://doi.org/10.1117/12.2323829

KEYWORDS: Perovskite, Solar cells, Thin films, Coating, Photoemission spectroscopy, Lithium, X-ray diffraction, X-rays, Raman spectroscopy, Scanning electron microscopy

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Proceedings Article | 13 September 2012 Paper

Methods to protect and recover work function of air exposed transition metal oxide thin films

Irfan Irfan, Chenggong Wang, Alexander Turinske, Yongli Gao

Proceedings Volume 8476, 847616 (2012) https://doi.org/10.1117/12.927812

KEYWORDS: Time multiplexed optical shutter, Annealing, Transition metals, Oxides, Thin films, Oxygen, Organic light emitting diodes, Plasma, Photoemission spectroscopy, Physics

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SPIE Journal Paper | 27 June 2012 Open Access

Effects of exposure and air annealing on MoO_x thin films

Irfan Irfan, Yongli Gao

JPE, Vol. 2, Issue 1, 021213, (June 2012) https://doi.org/10.1117/12.10.1117/1.JPE.2.021213

KEYWORDS: Oxygen, Annealing, Gold, Molybdenum, Interfaces, Thin films, Oxides, Photoemission spectroscopy, Diffusion, X-rays

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SPIE Journal Paper | 1 January 2011 Open Access

Oxide insertion layer in organic semiconductor devices

Irfan Irfan, Huanjun Ding, Franky So, Yongli Gao

JPE, Vol. 1, Issue 1, 011105, (January 2011) https://doi.org/10.1117/12.10.1117/1.3551497

KEYWORDS: Oxygen, Oxides, Interfaces, Organic semiconductors, Molybdenum, Transition metals, Photoemission spectroscopy, Metals, Solar energy, Organic light emitting diodes

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Proceedings Article | 18 August 2010 Paper

Rubrene electronic structure, interface energy level alignment, and growth dynamics

Huanjun Ding, Yongli Gao

Proceedings Volume 7778, 77780J (2010) https://doi.org/10.1117/12.860827

KEYWORDS: Interfaces, Crystals, Metals, Calcium, Molecules, Gold, Thin films, Atomic force microscopy, Silver, Aluminum

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Proceedings Article | 27 August 2009 Paper

Interface study of insertion layers in organic semiconductor devices

Huanjun Ding, " Irfan, Franky So, Yongli Gao

Proceedings Volume 7415, 74150J (2009) https://doi.org/10.1117/12.829333

KEYWORDS: Interfaces, Laser induced fluorescence, Aluminum, Metals, Oxides, Oxygen, Gold, Organic semiconductors, Organic light emitting diodes, Heterojunctions

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Proceedings Article | 2 September 2008 Paper

Electronic structure of doping in organic semiconductor

Huanjun Ding, Yongli Gao

Proceedings Volume 7051, 705111 (2008) https://doi.org/10.1117/12.798960

KEYWORDS: Doping, Gold, Cesium, Electrons, Organic semiconductors, Alkali metals, Oxygen, Molecules, Copper, Semiconductors

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Proceedings Article | 27 August 2008 Paper

Band bending and Debye screening in F₁₆CuPc/BP2T ambipolar organic thin film transistor

H. Ding, Y. Gao, H. Wang, D. Yan

Proceedings Volume 7054, 70540E (2008) https://doi.org/10.1117/12.798962

KEYWORDS: Interfaces, Heterojunctions, Transistors, Thin films, Gold, Organic semiconductors, Photoemission spectroscopy, Semiconductors, Spectroscopy, Thin film devices

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Proceedings Article | 26 August 2008 Paper

Mechanism of LiF interlayer for electron injection

Kiwan Park, Huanjun Ding, Franky So, Yongli Gao

Proceedings Volume 7051, 70511V (2008) https://doi.org/10.1117/12.798983

KEYWORDS: Aluminum, Laser induced fluorescence, Gold, Interfaces, Metals, Chemical species, Lithium, Doping, Electron transport, Oxygen

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Proceedings Article | 16 February 2004 Paper

Direct observation of the evolution of both the HOMO and LUMO energy levels of a silole derivative at a magnesium/silole interface

Neil Watkins, Antti Makinen, Yongli Gao, Manabu Uchida, Zakya Kafafi

Proceedings Volume 5214, (2004) https://doi.org/10.1117/12.515300

KEYWORDS: Magnesium, Interfaces, Metals, Photoemission spectroscopy, Silver, Analytical research, Organic light emitting diodes, Chemical species, Ultraviolet radiation, X-rays

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Proceedings Article | 3 March 2003 Paper

Photoemission spectroscopy study of the interface formation in organic thin film transistors

Neil Watkins, Li Yan, Serkan Zorba, Yongli Gao

Proceedings Volume 4800, (2003) https://doi.org/10.1117/12.453255

KEYWORDS: Interfaces, Metals, Thin films, Transistors, Photoemission spectroscopy, Dielectrics, Thin film devices, Gold, Calcium

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Proceedings Article | 3 March 2003 Paper

Evidence of electron and hole transfer in metal/CuPc interfaces

Neil Watkins, Li Yan, Serkan Zorba, Yongli Gao, Ching Tang

Proceedings Volume 4800, (2003) https://doi.org/10.1117/12.453254

KEYWORDS: Gold, Cesium, Doping, Interfaces, Photoemission spectroscopy, Molecules, Metals, Organic semiconductors, Organic light emitting diodes, Alkali metals

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Proceedings Article | 26 February 2003 Paper

Growth front kinetics of perylene on glass and Au substrates

Serkan Zorba, Li Yan, Neil Watkins, Yongli Gao

Proceedings Volume 4801, (2003) https://doi.org/10.1117/12.453256

KEYWORDS: Glasses, Gold, Interfaces, Correlation function, Organic semiconductors, Atomic force microscopy, Surface roughness, Lithium, Field effect transistors, Organic light emitting diodes

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Proceedings Article | 21 December 2001 Paper

Photoemission characterization of interfaces between Au and pentacene

Neil Watkins, Quoc Le, Serkan Zorba, Li Yan, Yongli Gao, Shelby Nelson, Chung-Chen Kuo, Thomas Jackson

Proceedings Volume 4466, (2001) https://doi.org/10.1117/12.451472

KEYWORDS: Gold, Interfaces, Electrons, Chemical reactions, Ultraviolet radiation, Ionization, Chemical species, Metals, Thin films, Transistors

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Proceedings Article | 2 February 2001 Paper

Energy level alignment in metal/organic interfaces: Ca/Alq3 and Al/Alq3

Li Yan, M. Mason, Ching Tang, Yongli Gao

Proceedings Volume 4105, (2001) https://doi.org/10.1117/12.416879

KEYWORDS: Interfaces, Aluminum, Calcium, Metals, Organic light emitting diodes, Photoemission spectroscopy, Chemical reactions, Chemical species, Doping, X-rays

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Proceedings Article | 28 March 2000 Paper

Femtosecond photoemission study of excited state dynamics in organic photoreceptors

Antti Maekinen, S. Schoemann, Yongli Gao, M. Mason, A. Muenter, Andrew Melnyk

Proceedings Volume 3940, (2000) https://doi.org/10.1117/12.381475

KEYWORDS: Telescopic pixel displays, Molecules, Composites, Femtosecond phenomena, Absorption, Ultrafast phenomena, Photoemission spectroscopy, Solids, Semiconductors, Thin films

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Proceedings Article | 17 December 1999 Paper

Characterization of treated indium tin oxide surface and interface formation between treated ITO with phenyl-diamine

Quoc Le, F. Nuesch, Eric Forsythe, Lewis Rothberg, Yongli Gao

Proceedings Volume 3797, (1999) https://doi.org/10.1117/12.372723

KEYWORDS: Interfaces, Nitrogen, Indium, Tin, Organic light emitting diodes, Oxides, Photoemission spectroscopy, Oxygen, Signal attenuation, Organic materials

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Proceedings Article | 18 May 1999 Paper

Interface formation between Al and Ca with tris-(8-hydroxyquinoline) aluminum

Quoc Le, M. Mason, Li Yan, Vi-En Choong, Eric Forsythe, Ching Tang, Yongli Gao

Proceedings Volume 3623, (1999) https://doi.org/10.1117/12.348384

KEYWORDS: Aluminum, Calcium, Interfaces, Molecules, Metals, Oxygen, Photoemission spectroscopy, Nitrogen, Organic light emitting diodes, Chemical species

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Proceedings Article | 18 May 1999 Paper

Energy alignment and trap states in dye-doped tris-8-(hydroxyquinoline) aluminum light-emitting devices

Eric Forsythe, David Morton, Quoc Le, Li Yan, F. Nuesch, Ching Tang, Yongli Gao

Proceedings Volume 3623, (1999) https://doi.org/10.1117/12.348397

KEYWORDS: Doping, Interfaces, Laser induced fluorescence, Molecules, Luminescence, Ultraviolet radiation, Photoemission spectroscopy, Metals, Organic light emitting diodes, Aluminum

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Proceedings Article | 16 December 1998 Paper

Trap states in doped tris-8-(hydroxyquinoline) aluminum using thermally stimulated luminescence

Eric Forsythe, David Morton, Ching Tang, Yongli Gao

Proceedings Volume 3476, (1998) https://doi.org/10.1117/12.332605

KEYWORDS: Doping, Luminescence, Molecules, Organic light emitting diodes, Data modeling, Aluminum, Silver, Light emitting diodes, Ultraviolet radiation, Photoemission spectroscopy

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Proceedings Article | 1 December 1997 Paper

Interfaces in organic light-emitting devices: quenching of luminescence

Vi-En Choong, Y. Park, Bing Hsieh, Ching Tang, Y. Gao

Proceedings Volume 3148, (1997) https://doi.org/10.1117/12.279345

KEYWORDS: Calcium, Interfaces, Metals, Quenching (fluorescence), Luminescence, Electroluminescence, Organic light emitting diodes, Ultraviolet radiation, Electrodes, Organic materials

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Proceedings Article | 1 September 1995 Paper

Time-resolved electron diffraction to study photoinduced molecular dynamics at single crystal surfaces

Martin Aeschlimann, Edward Hull, C. Schmuttenmaer, J. Cao, Y. Gao, D. Mantell, Hani Elsayed-Ali

Proceedings Volume 2521, (1995) https://doi.org/10.1117/12.218342

KEYWORDS: Diffraction, Pulsed laser operation, Temporal resolution, Picosecond phenomena, Crystals, Electron beams, Temperature metrology, Lenses, Video, Cameras

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Proceedings Article | 21 July 1994 Paper

Femtosecond studies of carrier relaxation processes at single crystal metal surfaces

C. Schmuttenmaer, Martin Aeschlimann, John Herman, R. Miller, D. Mantell, J. Cao, Y. Gao

Proceedings Volume 2125, (1994) https://doi.org/10.1117/12.180831

KEYWORDS: Electrons, Metals, Pulsed laser operation, Femtosecond phenomena, Crystals, Copper, Surface plasmons, Crystallography, Photochemistry, Laser systems engineering

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Proceedings Article | 2 June 1994 Paper

Prospects for light-emitting diodes made of porous silicon from the blue to beyond 1.5 um

Philippe Fauchet, Chuan Peng, Leonid Tsybeskov, Jury Vandyshev, A. Dubois, L. McLoud, Sid Duttagupta, J. Rehm, G. McLendon, Emile Ettedgui, Y. Gao, Frederick Seiferth, Santosh Kurinec, A. Raisanen, T. Orlowski, Leonard Brillson, Gary Carver

Proceedings Volume 2144, (1994) https://doi.org/10.1117/12.177214

KEYWORDS: Silicon, Luminescence, Light emitting diodes, Crystals, Annealing, Electroluminescence, Infrared radiation, Semiconducting wafers, Microelectronics, Oxidation

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Proceedings Article | 27 August 1993 Paper

Characteristics of metal-poly(phenylene vinylene) interfaces

Bing Hsieh, Y. Gao, Ken Park

Proceedings Volume 1910, (1993) https://doi.org/10.1117/12.151146

KEYWORDS: Interfaces, Calcium, Oxygen, Aluminum, Metals, Sulfur, X-rays, Polymers, Electrons, Light emitting diodes

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Proceedings Article | 1 June 1992 Paper

Analysis of photochemical oxygen consumption effects in photodynamic therapy (Invited Paper)

Thomas Foster, Scott Gibson, Yongli Gao, Russell Hilf

Proceedings Volume 1645, (1992) https://doi.org/10.1117/12.60933

KEYWORDS: Tumors, Oxygen, Photodynamic therapy, Capillaries, Tissues, Mesothelioma, Tumor growth modeling, Data modeling, Radiation effects, Diffusion

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Showing 5 of 28 publications

Conference Committee Involvement (1)

Organic Light Emitting Materials and Devices VI

8 July 2002 | Seattle, WA, United States

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