Prof. Gou-Chung Chi Profile

Prof. Gou-Chung Chi

Joint Appointed Faculty at National Yang Ming Chiao Tung Univ.

SPIE Involvement:

Author

Publications (22)

SPIE Journal Paper | 5 March 2015

Efficiency droop behavior improvement through barrier thickness modification for GaN-on-silicon light-emitting diodes

An-Jye Tzou, Bing-Cheng Lin, Chia-Yu Lee, Da-Wei Lin, Yu-Kuang Liao, Zhen-Yu Li, Gou-Chung Chi, Hao-Chung Kuo, Chun-Yen Chang

JPE, Vol. 5, Issue 01, 057604, (March 2015) https://doi.org/10.1117/12.10.1117/1.JPE.5.057604

KEYWORDS: Light emitting diodes, Quantum wells, External quantum efficiency, Gallium nitride, Silicon, Gallium, Energy efficiency, Crystals, Aluminum, Transmission electron microscopy

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SPIE Journal Paper | 7 July 2014 Open Access

High performance 380-nm ultraviolet light-emitting-diodes with 3% efficiency droop by using free-standing GaN substrate manufacturing from GaAs substrate

Chen-Yu Shieh, Ming-Ta Tsai, Zhen-Yu Li, Hao-Chung Kuo, Jenq-Yang Chang, Gou-Chung Chi, Wei-I Lee

JNP, Vol. 8, Issue 01, 083081, (July 2014) https://doi.org/10.1117/12.10.1117/1.JNP.8.083081

KEYWORDS: Sapphire, Gallium nitride, Transmission electron microscopy, Ultraviolet radiation, Raman spectroscopy, Crystals, Satellites, Gallium arsenide, Interfaces, Manufacturing

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Proceedings Article | 8 March 2014 Paper

Characterization of 380nm UV-LEDs grown on free-standing GaN by atmospheric-pressure metal-organic chemical vapor deposition

C. Shieh, Z. Li, H. Kuo, J. Chang, G. Chi

Proceedings Volume 8986, 898629 (2014) https://doi.org/10.1117/12.2039621

KEYWORDS: Ultraviolet light emitting diodes, Gallium nitride, Sapphire, Indium, Transmission electron microscopy, Internal quantum efficiency, External quantum efficiency, Chemical vapor deposition, Electroluminescence, Light emitting diodes

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Proceedings Article | 27 March 2013 Paper

Influence of free-standing GaN substrate on ultraviolet light-emitting-diodes by atmospheric-pressure metal-organic chemical vapor deposition

C. Shieh, Z. Li, C. Chiu, P. Tu, H. Kuo, G. Chi

Proceedings Volume 8625, 862525 (2013) https://doi.org/10.1117/12.2003673

KEYWORDS: Gallium nitride, Ultraviolet light emitting diodes, Sapphire, Raman spectroscopy, Indium, Light emitting diodes, Ultraviolet radiation, Chemical vapor deposition, Excitons, Temperature metrology

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Proceedings Article | 27 March 2013 Paper

Structural and optical characterizations of GaN-based green light-emitting diodes growth using TiN buffer layer

C. Shieh, Z. Li, H. Kuo, G. Chi

Proceedings Volume 8625, 862529 (2013) https://doi.org/10.1117/12.2004465

KEYWORDS: Green light emitting diodes, Tin, Gallium nitride, Electroluminescence, Sapphire, Quantum wells, Electron microscopes, Luminescence, Light emitting diodes, Epitaxial lateral overgrowth

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Proceedings Article | 25 March 2013 Paper

Towards high-efficiency triple-junction solar cells with bio-inspired nanostructures

Peichen Yu, H.-V. Han, T.-T. Yang, M.-M. Hung, C.-Y. Hong, Y.-L. Tsai, K.-H. Hung, T.-G. Chen, Y.-R. Wu, G.-C. Chi

Proceedings Volume 8620, 86200N (2013) https://doi.org/10.1117/12.2003380

KEYWORDS: Solar cells, Antireflective coatings, Biomimetics, Reflectivity, Stereolithography, Nanostructures, Photovoltaics, Absorption, Refractive index, Titanium dioxide

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Proceedings Article | 21 January 2012 Paper

Oxygen sensors made by monolayer graphene

S. C. Hung, C. W. Chen, M. D. Yang, C. W. Yeh, C. H. Wu, G. C. Chi, R. Fan, S. Pearton

Proceedings Volume 8268, 826822 (2012) https://doi.org/10.1117/12.907768

KEYWORDS: Graphene, Oxygen, Sensors, Raman spectroscopy, Thin films, Copper, Chemical vapor deposition, Scanning electron microscopy, Molecules, Time metrology

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Proceedings Article | 13 September 2011 Paper

Physical properties of Al-doped MgZnO film grown by RF magnetron sputtering using ZnO/MgO/Al2O3 target

Kuang-Po Hsueh, Yi-Chang Cheng, Wen-Yen Lin, Hsien-Chin Chiu, Yu-Ping Huang, Gou-Chung Chi, Wei-Sheng Liu

Proceedings Volume 8110, 81100X (2011) https://doi.org/10.1117/12.891269

KEYWORDS: Magnesium, Annealing, Sputter deposition, Zinc, Diffraction, Oxygen, Zinc oxide, X-ray diffraction, Carbon, Contamination

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Proceedings Article | 26 May 2011 Paper

Characteristics of CO sensors made by polar and nonpolar ZnO nanowires gated AlGaN/GaN high electron mobility transistor

S. C. Hung, C. W. Chen, C. Y. Shieh, G. C. Chi, F. Ren, S. J. Pearton

Proceedings Volume 8024, 80240P (2011) https://doi.org/10.1117/12.883015

KEYWORDS: Zinc oxide, Carbon monoxide, Field effect transistors, Sensors, Transistors, Chemical vapor deposition, Oxygen, Gallium nitride, Crystals, Nanowires

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Proceedings Article | 8 February 2007 Paper

Nitride-based light-emitting diodes with p-AlInGaN surface layers prepared at various temperatures

C. Kuo, C. Chen, G. Chi

Proceedings Volume 6473, 64730U (2007) https://doi.org/10.1117/12.700303

KEYWORDS: Light emitting diodes, Gallium nitride, Metalorganic chemical vapor deposition, Indium gallium nitride, Aluminum, Gallium, Lamps, Refractive index, Scanning electron microscopy, Chemical species

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Proceedings Article | 12 September 2006 Paper

Light extraction enhancement of InGaN MQW by reducing total internal reflection through surface plasmon effect

Chien Chieh Lee, D. Wang, C. C. Chen, Jenq Yang Chang, B. J. Pong, Gou Chung Chi, Liang-Wen Wu

Proceedings Volume 6337, 63370E (2006) https://doi.org/10.1117/12.678423

KEYWORDS: Surface plasmons, Silver, Metals, Gallium nitride, Reflection, Thin films, Luminescence, Light emitting diodes, Waveguides, Indium gallium nitride

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SPIE Journal Paper | 1 July 2006

Fabrication and tolerance reduction of a Si-based pickup module for optical storage

Chien Chieh Lee, Chih-Ming Wang, S. Huang, Jenq-Yang Chang, Gou Chung Chi, S. Shu, ChengYi Liu

OE, Vol. 45, Issue 07, 074601, (July 2006) https://doi.org/10.1117/12.10.1117/1.2219105

KEYWORDS: Tolerancing, Optical components, Diffraction, Silicon, Diffraction gratings, Holographic optical elements, Head, Objectives, Optical storage, Servomechanisms

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Proceedings Article | 3 March 2006 Paper

Applications of transparent Al-doped ZnO contact on GaN-based power LED

C. Tun, J. Sheu, B. Pong, M. Lee, C. Hsieh, C. Hu, G. Chi

Proceedings Volume 6121, 61210X (2006) https://doi.org/10.1117/12.647123

KEYWORDS: Light emitting diodes, Nickel, Annealing, Transmittance, Gallium nitride, Gallium, Thin films, Aluminum, Zinc oxide, Sputter deposition

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Proceedings Article | 15 February 2006 Paper

Optical properties of P ion implanted ZnO

Bao-Jen Pong, Bo-Wei Chou, Ching-Jen Pan, Fu-Chun Tsao, Gou-Chung Chi

Proceedings Volume 6122, 612203 (2006) https://doi.org/10.1117/12.644045

KEYWORDS: Zinc oxide, Oxygen, Ions, Zinc, Luminescence, Nitrogen, Optical properties, Beryllium, Magnesium, Gallium nitride

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Proceedings Article | 14 September 2005 Paper

Electro-ridge for large injection current of micro-size InGaN light emitting diode

B. Pong, C. Chen, J. Hsu, C. Tun, G. Chi

Proceedings Volume 5941, 59410Y (2005) https://doi.org/10.1117/12.613306

KEYWORDS: Light emitting diodes, Ion implantation, Quantum wells, Electroluminescence, Indium gallium nitride, External quantum efficiency, Gallium nitride, Resistance, Doping, Quantum efficiency

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Proceedings Article | 27 August 2005 Paper

Si-based UV transparent subwavelength optical elements

Chien Chieh Lee, Che-Lung Hsu, Chih Ming Wang, Jing Yi Chen, Jenq Yang Chang, Gou Chung Chi

Proceedings Volume 5931, 593115 (2005) https://doi.org/10.1117/12.616319

KEYWORDS: Silicon, Ultraviolet radiation, Optical components, Thin films, Refractive index, Silicon films, Plasma enhanced chemical vapor deposition, Scanning electron microscopy, Chemical elements, Optical properties

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Proceedings Article | 28 April 2005 Paper

Optical properties of homoepitaxial and heteroepitaxial ZnO grown by molecular beam epitaxy

C. J. Pan, C. W. Tu, J. J. Song, G. Cantwell, C. C. Lee, B. J. Pong, G. C. Chi

Proceedings Volume 5722, (2005) https://doi.org/10.1117/12.590388

KEYWORDS: Zinc oxide, Gallium nitride, Excitons, Oxygen, Molecular beam epitaxy, Optical properties, Phonons, Zinc, Diffraction, Luminescence

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Proceedings Article | 22 October 2004 Paper

Design and fabrication of Si-based pickup module for optical storage

Chien Chieh Lee, Chih Ming Wang, Jenq Yang Chang, Gou Chung Chi

Proceedings Volume 5524, (2004) https://doi.org/10.1117/12.559258

KEYWORDS: Optical components, Silicon, Diffraction gratings, Holographic optical elements, Diffraction, Tolerancing, Optical storage, Optical design, Microopto electromechanical systems, Head

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Proceedings Article | 8 October 2004 Paper

Nanostructured diffractive optical elements on SiNX membrane for UV-visible regime applications

Chien Chieh Lee, Chih Ming Wang, Che Lung Xu, Jing Yi Chen, Jenq Yang Chang, Yi Ming Liao, Gou Chung Chi

Proceedings Volume 5515, (2004) https://doi.org/10.1117/12.559296

KEYWORDS: Silicon, Diffractive optical elements, Silicon films, Ultraviolet radiation, Transmittance, Refractive index, Plasma enhanced chemical vapor deposition, Optical components, Nanolithography, Chemical elements

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Proceedings Article | 11 July 2000 Paper

Optical pumping spectra for InxGa1-xN/GaN multiple-quantum-well structures with indium content x>0.35

Chii-Chang Chen, HuiWen Chuang, GouChung Chi, ChangCheng Chuo, Jen-Inn Chyi

Proceedings Volume 4078, (2000) https://doi.org/10.1117/12.392168

KEYWORDS: Quantum wells, Indium, Optical pumping, Annealing, Gallium nitride, Argon ion lasers, Helium cadmium lasers, Optical testing, Interfaces, Solids

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Proceedings Article | 30 June 2000 Paper

Luminescence of the InGaN/GaN blue light-emitting diodes

J. Sheu, Ting-Wei Yeh, GouChung Chi, M. Jou

Proceedings Volume 4079, (2000) https://doi.org/10.1117/12.389421

KEYWORDS: Light emitting diodes, Electroluminescence, Blue light emitting diodes, Quantum wells, Indium gallium nitride, Luminescence, Gallium nitride, Zinc, Silicon, Semiconducting wafers

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