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2019

Graphene Quantum Dot Vertical Cavity Surface-Emitting Lasers

Lee, Y. J., Yeh, T. W., Zou, C., Yang, Z. P., Chen, J. W., Hsu, P. L., Shen, J. L., Chang, C. C., Sheu, J. K. & Lin, L. Y., 2019 Nov 20, In : ACS Photonics. 6, 11, p. 2894-2901 8 p.

Research output: Contribution to journalArticle

Quantum Dots
Graphite
Surface emitting lasers
surface emitting lasers
Graphene
2017

GaN based Cyan light-emitting diodes with GHz bandwidth

Shi, J. W., Chi, K. L., Wun, J. M., Bowers, J. E. & Sheu, J. K., 2017 Jan 23, 2016 IEEE Photonics Conference, IPC 2016. Institute of Electrical and Electronics Engineers Inc., p. 623-624 2 p. 7831257. (2016 IEEE Photonics Conference, IPC 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Light emitting diodes
light emitting diodes
bandwidth
Bandwidth
Carrier lifetime

The development of high-speed ill-nitride based light-emitting diode for visible light and plastic Optical fiber communications

Shi, J. W. & Sheu, J. K., 2017 Nov 20, 30th Annual Conference of the IEEE Photonics Society, IPC 2017. Institute of Electrical and Electronics Engineers Inc., p. 73-74 2 p. (30th Annual Conference of the IEEE Photonics Society, IPC 2017; vol. 2017-January).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Optical fiber communication
Plastic optical fibers
plastic fibers
Nitrides
nitrides
2018
1 Citation (Scopus)

Design of GaN-based multicolor tunnel-junction light-emitting diodes

Shih, Y. H., Chang, J. Y., Kuo, Y. K., Chen, F. M., Huang, M. F., Lee, M. L. & Sheu, J. K., 2018 Jan, In : IEEE Transactions on Electron Devices. 65, 1, p. 165-171 7 p.

Research output: Contribution to journalArticle

Tunnel junctions
Light emitting diodes
Semiconductor quantum wells
Color
Full width at half maximum
2017
2 Citations (Scopus)

Monolithic stacked blue light-emitting diodes with polarization-enhanced tunnel junctions

Kuo, Y. K., Shih, Y. H., Chang, J. Y., Lai, W. C., Liu, H., Chen, F. M., Lee, M. L. & Sheu, J. K., 2017 Aug 7, In : Optics Express. 25, 16, p. A777-A784

Research output: Contribution to journalArticle

tunnel junctions
light emitting diodes
polarization
electric potential
diagrams
2018
3 Citations (Scopus)

GaN intermediate band solar cells with Mn-doped absorption layer

Lee, M. L., Huang, F. W., Chen, P. C. & Sheu, J-K., 2018 Dec 1, In : Scientific reports. 8, 1, 8641.

Research output: Contribution to journalArticle

solar cells
electroluminescence
control equipment
air masses
short circuit currents
2017
4 Citations (Scopus)

GaN-based cyan light-emitting diode with up to 1-GHz bandwidth for high-speed transmission over SI-POF

Vinogradov, J., Kruglov, R., Engelbrecht, R., Ziemann, O., Sheu, J-K., Chi, K. L., Wun, J. M. & Shi, J. W., 2017 Jan 1, In : IEEE Photonics Journal. 9, 3, 7201707.

Research output: Contribution to journalArticle

Plastic optical fibers
plastic fibers
International System of Units
Light emitting diodes
light emitting diodes

III-V Nitride-based photodetection

Lin, C. C., Hsu, L. H., Tsai, Y. L., Kuo, H. C. H., Lai, W. C. & Sheu, J. K., 2017 Jan 1, Handbook of GaN Semiconductor Materials and Devices. CRC Press, p. 597-614 18 p.

Research output: Chapter in Book/Report/Conference proceedingChapter

Nitrides
nitrides
Indium
indium
Gallium nitride
2019

Investigation on Modulation Speed of Photon-Recycling White Light-Emitting Diodes with Vertical-Conduction Structure

Chen, F. B., Chi, K. L., Yen, W. Y., Sheu, J. K., Lee, M. L. & Shi, J. W., 2019 Feb 15, In : Journal of Lightwave Technology. 37, 4, p. 1225-1230 6 p., 8598743.

Research output: Contribution to journalArticle

recycling
light emitting diodes
phosphors
modulation
conduction
2017

Multiple-layered type-II GaSb/GaAs quantum ring solar cells under concentrated solar illumination

Jheng, Y. H., Hsu, S. C., Wu, S. H., Sheu, J. K., Lo, Y. T., Kuo, H. C., Chen, H. A., Lin, S. Y. & Lin, C. C., 2017 Jan 1, 2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017. Institute of Electrical and Electronics Engineers Inc., p. 1-4 4 p. (2017 IEEE 44th Photovoltaic Specialist Conference, PVSC 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solar cells
Lighting
Infrared radiation
Sun
Nanostructures
2019
4 Citations (Scopus)

Mn valence state mediated room temperature ferromagnetism in nonpolar Mn doped GaN

Wadekar, P. V., Chang, C. W., Zheng, Y. J., Guo, S. S., Hsieh, W. C., Cheng, C. M., Ma, M. H., Lai, W. C., Sheu, J. K., Chen, Q. Y. & Tu, L. W., 2019 Apr 15, In : Applied Surface Science. 473, p. 693-698 6 p.

Research output: Contribution to journalArticle

Ferromagnetism
ferromagnetism
Doping (additives)
valence
room temperature
2018
2 Citations (Scopus)

Suppressing the initial growth of sidewall GaN by modifying micron-sized patterned sapphire substrate with H3PO4-based etchant

Hsu, W. Y., Lian, Y. C., Wu, P. Y., Yong, W. M., Sheu, J. K., Lin, K. L. & Wu, Y. C. S., 2018 Nov 26, In : Micromachines. 9, 12, 622.

Research output: Contribution to journalArticle

Sapphire
Nucleation
Substrates
Coalescence
Light emitting diodes
2019
1 Citation (Scopus)

Light-emitting diodes with surface gallium nitride p–n homojunction structure formed by selective area regrowth

Lee, M. L., Wang, S. S., Yeh, Y. H., Liao, P. H. & Sheu, J-K., 2019 Dec 1, In : Scientific reports. 9, 1, 3243.

Research output: Contribution to journalArticle

Light
gallium nitride
Ultraviolet Rays
Photons
2016
18 Citations (Scopus)

Enhancing UV-emissions through optical and electronic dual-function tuning of Ag nanoparticles hybridized with n-ZnO nanorods/p-GaN heterojunction light-emitting diodes

Yao, Y. C., Yang, Z. P., Hwang, J. M., Chuang, Y. L., Lin, C. C., Haung, J. Y., Chou, C. Y., Sheu, J. K., Tsai, M. T. & Lee, Y. J., 2016 Feb 28, In : Nanoscale. 8, 8, p. 4463-4474 12 p.

Research output: Contribution to journalArticle

Nanorods
Light emitting diodes
Heterojunctions
Tuning
Nanoparticles
5 Citations (Scopus)

THz Acoustic Spectroscopy by using Double Quantum Wells and Ultrafast Optical Spectroscopy

Wei, F. J., Yeh, Y. H., Sheu, J. K. & Lin, K. H., 2016 Jun 27, In : Scientific reports. 6, 28577.

Research output: Contribution to journalArticle

quantum wells
acoustics
spectroscopy
scattering
transducers
2017
3 Citations (Scopus)

In Situ Monitoring of Chemical Reactions at a Solid-Water Interface by Femtosecond Acoustics

Shen, C. C., Weng, M. Y., Sheu, J. K., Yao, Y. T. & Sun, C. K., 2017 Nov 2, In : Journal of Physical Chemistry Letters. 8, 21, p. 5430-5437 8 p.

Research output: Contribution to journalArticle

Chemical reactions
chemical reactions
Acoustics
acoustics
Water
2 Citations (Scopus)

Photoelectrochemical hydrogen generation from water using undoped GaN with selective-area Si-implanted stripes as a photoelectrode

Sheu, J-K., Liao, P. H., Cheng, H. Y. & Lee, M. L., 2017 Jan 1, In : Journal of Materials Chemistry A. 5, 43, p. 22625-22630 6 p.

Research output: Contribution to journalArticle

Hydrogen
Water
Photoelectrochemical cells
Epitaxial layers
Ion implantation
2019

Verification of complex acoustic mismatch model in sub-THz regime

Wei, F. J., Mole, R. A., Karna, S. K., Shi, J. W., Sheu, J. K. & Lin, K. H., 2019 Apr 15, In : Applied Physics Letters. 114, 15, 151106.

Research output: Contribution to journalArticle

Open Access
acoustics
silicon dioxide
acoustic attenuation
acoustic impedance
acoustic properties
2017
1 Citation (Scopus)

Extracting elastic properties of an atomically thin interfacial layer by time-domain analysis of femtosecond acoustics

Chen, H. Y., Huang, Y. R., Shih, H. Y., Chen, M. J., Sheu, J-K. & Sun, C. K., 2017 Nov 20, In : Applied Physics Letters. 111, 21, 213101.

Research output: Contribution to journalArticle

time domain analysis
elastic properties
acoustics
engineering
transmission electron microscopy
16 Citations (Scopus)

InGaN-based epitaxial films as photoelectrodes for hydrogen generation through water photoelectrolysis and CO2 reduction to formic acid

Sheu, J-K., Liao, P. H., Huang, T. C., Chiang, K. J., Lai, W-C. & Lee, M. L., 2017 Jul 1, In : Solar Energy Materials and Solar Cells. 166, p. 86-90 5 p.

Research output: Contribution to journalArticle

formic acid
Epitaxial films
Formic acid
Hydrogen
Electrodes
2019
4 Citations (Scopus)

A curvature-tunable random laser

Lee, Y. J., Yeh, T. W., Yang, Z. P., Yao, Y. C., Chang, C. Y., Tsai, M. T. & Sheu, J. K., 2019 Feb 28, In : Nanoscale. 11, 8, p. 3534-3545 12 p.

Research output: Contribution to journalArticle

Lasers
Optical feedback
Polyethylene Terephthalates
Cavity resonators
Multiple scattering
2016
2 Citations (Scopus)

Mask-free regrowth of GaN p-i-n structure on selective-area Si-implanted n-GaN template layer

Sheu, J. K., Chen, P. C., Yeh, Y. H., Kuo, S. H., Lee, M. L., Liao, P. H. & Lai, W. C., 2016 Apr 15, In : Acta Materialia. 108, p. 17-25 9 p.

Research output: Contribution to journalArticle

Masks
Diodes
Electron transitions
Valence bands
Photodiodes
2019

Bending-induced tunable threshold in random laser

Lee, Y. J., Yeh, T. W., Yang, Z. P., Yao, Y. C., Chang, C. Y., Tsai, M. T. & Sheu, J-K., 2019 Jan 1, CLEO: Science and Innovations, CLEO_SI 2019. OSA - The Optical Society, (Optics InfoBase Conference Papers; vol. Part F129-CLEO_SI 2019).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Polyethylene Terephthalates
Polyethylene terephthalates
Nanowires
Light sources
Photons

Bending-Induced Tunable Threshold in Random Laser

Lee, Y. J., Yeh, T. W., Yang, Z. P., Yao, Y. C., Chang, C. Y., Tsai, M. T. & Sheu, J-K., 2019 May 1, 2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings. Institute of Electrical and Electronics Engineers Inc., 8750113. (2019 Conference on Lasers and Electro-Optics, CLEO 2019 - Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nanowires
spectral emission
Polyethylene Terephthalates
polyethylene terephthalate
Photons
2016
7 Citations (Scopus)

Manganese-doped AlGaN/GaN heterojunction solar cells with intermediate band absorption

Sheu, J. K., Chen, P. C., Shin, C. L., Lee, M. L., Liao, P. H. & Lai, W. C., 2016 Dec 1, In : Solar Energy Materials and Solar Cells. 157, p. 727-732 6 p.

Research output: Contribution to journalArticle

Manganese
Heterojunctions
Absorption spectra
Solar cells
Electron energy levels
10 Citations (Scopus)

Design of Hole-Blocking and Electron-Blocking Layers in AlxGa1-xN-Based UV Light-Emitting Diodes

Shih, Y. H., Chang, J. Y., Sheu, J-K., Kuo, Y. K., Chen, F. M., Lee, M. L. & Lai, W-C., 2016 Mar 1, In : IEEE Transactions on Electron Devices. 63, 3, p. 1141-1147 7 p., 7399737.

Research output: Contribution to journalArticle

Diodes
Electrons
Light emitting diodes
Chemical analysis
Valence bands
1 Citation (Scopus)

GaN-Based UV Light-Emitting Diodes With a Green Indicator Through Selective-Area Photon Recycling

Chen, F. B., Sheu, J. K., Yen, W. Y., Wang, Y. C., Huang, S. H., Liu, C. N., Yeh, Y. H., Chang, C. C. & Lee, M. L., 2016 Mar 1, In : IEEE Transactions on Electron Devices. 63, 3, p. 1122-1127 6 p., 7395353.

Research output: Contribution to journalArticle

Light emitting diodes
Recycling
Photons
Semiconductor quantum wells
Wafer bonding
2017
4 Citations (Scopus)

Planar GaN-Based Blue Light-Emitting Diodes with Surface p-n Junction Formed by Selective-Area Si-Ion Implantation

Lee, M. L., Yeh, Y. H., Liu, Z. Y., Chiang, K. J. & Sheu, J. K., 2017 Oct, In : IEEE Transactions on Electron Devices. 64, 10, p. 4156-4160 5 p., 8013099.

Research output: Contribution to journalArticle

Ion implantation
Light emitting diodes
Semiconductor quantum wells
Luminescence
Optical pumping
3 Citations (Scopus)

Carrier dynamics of Mn-induced states in GaN thin films

Chen, Y. T., Yang, C. Y., Chen, P. C., Sheu, J. K. & Lin, K. H., 2017 Dec 1, In : Scientific reports. 7, 1, 5788.

Research output: Contribution to journalArticle

thin films
solar cells
optical measurement
light emission
manganese
2016
1 Citation (Scopus)

Multiple-layered type-II GaSb/GaAs quantum ring solar cells under concentrated solar illumination

Jheng, Y. H., Hsu, S. C., Wu, S. H., Sheu, J. K., Lo, Y. T., Kuo, H. C., Chen, H. A., Lin, S. Y. & Lin, C. C., 2016 Nov 18, 2016 IEEE 43rd Photovoltaic Specialists Conference, PVSC 2016. Institute of Electrical and Electronics Engineers Inc., p. 2091-2094 4 p. 7749999. (Conference Record of the IEEE Photovoltaic Specialists Conference; vol. 2016-November).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Solar cells
Lighting
Infrared radiation
Photocurrents
Sun

Physical properties of Al-doped MgZnO/AlGaN p–n heterojunction photodetectors

Hsueh, K. P., Chiu, H. C., Sheu, J. K. & Yeh, Y. H., 2016 Nov 1, In : Optical and Quantum Electronics. 48, 11, 501.

Research output: Contribution to journalArticle

Photodetectors
photometers
Heterojunctions
heterojunctions
Physical properties
2017
2 Citations (Scopus)

Theoretical investigation of efficient green tunnel-junction light-emitting diodes

Kuo, Y. K., Shih, Y. H., Chang, J. Y., Chen, F. M., Lee, M. L. & Sheu, J. K., 2017 Jan, In : IEEE Electron Device Letters. 38, 1, p. 75-78 4 p., 7752856.

Research output: Contribution to journalArticle

Tunnel junctions
Light emitting diodes
Quantum efficiency
Current density
2016
21 Citations (Scopus)

III-Nitride-Based Cyan Light-Emitting Diodes with GHz Bandwidth for High-Speed Visible Light Communication

Shi, J. W., Chi, K. L., Wun, J. M., Bowers, J. E., Shih, Y. H. & Sheu, J. K., 2016 Jul, In : IEEE Electron Device Letters. 37, 7, p. 894-897 4 p., 7479469.

Research output: Contribution to journalArticle

Nitrides
Light emitting diodes
Bandwidth
Aluminum Oxide
Quantum efficiency
2019
Aluminum gallium nitride
Gallium nitride
formic acid
Seawater
Carbon Dioxide