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Research Output 2000 2020

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2020

Design and Optimization of Electron-Blocking Layer in Deep Ultraviolet Light-Emitting Diodes

Kuo, Y. K., Chen, F. M., Chang, J. Y., Huang, M. F., Liou, B. T. & Shih, Y. H., 2020 Feb, In : IEEE Journal of Quantum Electronics. 56, 1, 8922638.

Research output: Contribution to journalArticle

ultraviolet radiation
Light emitting diodes
light emitting diodes
optimization
Electrons
2019
3 Citations (Scopus)

High-efficiency deep-ultraviolet light-emitting diodes with efficient carrier confinement and high light extraction

Chang, J. Y., Liou, B. T., Huang, M. F., Shih, Y. H., Chen, F. M. & Kuo, Y. K., 2019 Feb, In : IEEE Transactions on Electron Devices. 66, 2, p. 976-982 7 p., 8598952.

Research output: Contribution to journalArticle

Light polarization
Light emitting diodes
Semiconductor quantum wells
Quantum efficiency
Wavelength
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
3 Citations (Scopus)

Effects of quantum barriers and electron-blocking layer in deep-ultraviolet light-emitting diodes

Chang, J. Y., Huang, M. F., Chen, F. M., Liou, B. T., Shih, Y. H. & Kuo, Y. K., 2018 Jan 31, In : Journal of Physics D: Applied Physics. 51, 7, 075106.

Research output: Contribution to journalArticle

ultraviolet radiation
Light emitting diodes
light emitting diodes
Electrons
electrons
1 Citation (Scopus)
junction diodes
Tunnel junctions
tunnel junctions
Light emitting diodes
light emitting diodes
2017
10 Citations (Scopus)

Efficient Carrier Confinement in Deep-Ultraviolet Light-Emitting Diodes with Composition-Graded Configuration

Chang, J. Y., Chang, H. T., Shih, Y. H., Chen, F. M., Huang, M. F. & Kuo, Y. K., 2017 Dec, In : IEEE Transactions on Electron Devices. 64, 12, p. 4980-4984 5 p., 8082105.

Research output: Contribution to journalArticle

Light emitting diodes
Leakage currents
Electrons
Chemical analysis
Polarization
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
1 Citation (Scopus)
secondary school teacher
teacher
classroom
ranking
learning performance
8 Citations (Scopus)

Polarization Effect in AlGaN-based deep-ultraviolet light-emitting diodes

Kuo, Y. K., Chang, J. Y., Chang, H. T., Chen, F. M., Shih, Y. H. & Liou, B. T., 2017 Jan, In : IEEE Journal of Quantum Electronics. 53, 1, 7792574.

Research output: Contribution to journalArticle

ultraviolet radiation
Light emitting diodes
light emitting diodes
Polarization
polarization
10 Citations (Scopus)
Structural Models
Learning
Self Efficacy
Mentors
Communication
2 Citations (Scopus)

The effects of combining inquiry-based teaching with science magic on the learning outcomes of a friction unit

Lin, J. L., Cheng, M. F., Lin, S. Y., Chang, J. Y., Chang, Y. C., Li, H. W. & Lin, D. M., 2017 Jan 1, In : Journal of Baltic Science Education. 16, 2, p. 218-227 10 p.

Research output: Contribution to journalArticle

Teaching
science
learning
Group
teaching materials
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
1 Citation (Scopus)

Auger Recombination in Monolithic Dual-Wavelength InGaN Light-Emitting Diodes

Kuo, Y-K., Wang, T. H., Chang, Y. A., Chang, J-Y., Chen, F. M. & Shih, Y. H., 2016 Nov 1, In : Journal of Display Technology. 12, 11, p. 1398-1402 5 p., 7523243.

Research output: Contribution to journalArticle

Light emitting diodes
light emitting diodes
Wavelength
wavelengths
retarding
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

Development of lesson study approach in three rural elementary schools of Taiwan

Liu, S. H., 2016 Jan 1, In : Asia-Pacific Social Science Review. 16, 2, p. 101-111 11 p.

Research output: Contribution to journalArticle

rural school
elementary school
Taiwan
teacher
Teaching
1 Citation (Scopus)
Light emitting diodes
Heterojunctions
interlayers
light emitting diodes
Wave functions
22 Citations (Scopus)

Numerical investigation on the carrier transport characteristics of AlGaN deep-UV light-emitting diodes

Kuo, Y. K., Chang, J. Y., Chen, F. M., Shih, Y. H. & Chang, H. T., 2016 Apr, In : IEEE Journal of Quantum Electronics. 52, 4, 7420540.

Research output: Contribution to journalArticle

Carrier transport
Ultraviolet radiation
Light emitting diodes
Diodes
light emitting diodes
3 Citations (Scopus)

Polarization-matched quaternary superlattice electron blocking layer in blue InGaN light-emitting diodes

Kuo, Y-K., Chen, F. M., Chang, J-Y. & Lin, B. C., 2016 May 1, In : Superlattices and Microstructures. 93, p. 221-225 5 p.

Research output: Contribution to journalArticle

Light emitting diodes
light emitting diodes
Polarization
Electrons
polarization
7 Citations (Scopus)

Simulation and Experimental Study on Barrier Thickness of Superlattice Electron Blocking Layer in Near-Ultraviolet Light-Emitting Diodes

Kuo, Y. K., Chen, F. M., Lin, B. C., Chang, J. Y., Shih, Y. H. & Kuo, H. C., 2016 Aug, In : IEEE Journal of Quantum Electronics. 52, 8, 7503069.

Research output: Contribution to journalArticle

ultraviolet radiation
Light emitting diodes
light emitting diodes
Electrons
electrons
3 Citations (Scopus)

Structural design and optimization of near-ultraviolet light-emitting diodes with wide wells

Kuo, Y. K., Chen, F. M., Chang, J. Y. & Shih, Y. H., 2016 Mar 7, In : Journal of Applied Physics. 119, 9, 094503.

Research output: Contribution to journalArticle

structural design
ultraviolet radiation
light emitting diodes
optimization
polarization
3 Citations (Scopus)
psychological factors
normality
structural model
teacher
education

The help-seeking from social capitals and self-regulated learning among pre-service teachers

Liu, S. H., 2016 Apr, In : Asian Social Science. 12, 4, p. 171-178 8 p.

Research output: Contribution to journalArticle

social capital
teacher
learning
school
self-efficacy
2015
8 Citations (Scopus)
teacher
integration concept
instruction
classroom
interview
5 Citations (Scopus)
Time Management
time management
facebook
academic achievement
Students

Verbal communications related to self-disclosure and interpersonal relationships in facebook users

Liu, S. H., 2015 Sep, In : Asian Social Science. 11, 22, p. 81-90 10 p.

Research output: Contribution to journalArticle

verbal communication
facebook
emotion
student
contact
2 Citations (Scopus)
ultraviolet radiation
Light emitting diodes
light emitting diodes
Polarization
Semiconductor quantum wells
2014

Effects of educational news stories on the beliefs of taiwanese teacher education students

Liu, S. H., 2014 Jan 1, In : Asia-Pacific Social Science Review. 14, 2, p. 80-93 14 p.

Research output: Contribution to journalArticle

news
teacher
education
student
credibility
11 Citations (Scopus)
secondary school
Teaching
Students
science
learning
10 Citations (Scopus)

Reduced efficiency droop in blue InGaN light-emitting diodes by thin AlGaN barriers

Chang, J-Y., Chang, Y. A., Wang, T. H., Chen, F. M., Liou, B. T. & Kuo, Y-K., 2014 Feb 1, In : Optics Letters. 39, 3, p. 497-500 4 p.

Research output: Contribution to journalArticle

light emitting diodes
injection
high current
quantum efficiency
simulation

Science magic for inquiry-based instruction about friction - Powerful paper ring and powerful book

Lin, J-L., Cheng, M-F., Chang, J-Y., Huang, H. L., Chang, Y. C., Li, H. W. & Lin, D. M., 2014 Oct 1, In : Physics Teacher. 52, 7, p. 436-437 2 p.

Research output: Contribution to journalArticle

students
education
friction
instruction
rings
1 Citation (Scopus)
news report
student teacher
news
dialogue
education
2 Citations (Scopus)
facebook
intimacy
adolescent
analysis of variance
Taiwanese
1 Citation (Scopus)
news
teacher
education
student
educational event
2013
11 Citations (Scopus)
Light emitting diodes
light emitting diodes
Electrons
Chemical analysis
electrons
4 Citations (Scopus)

Advantages of InGaN solar cells with p-doped and high-al-content superlattice AlGaN barriers

Kuo, Y-K., Chang, Y. A., Lin, H. W., Chang, J-Y., Yen, S. H., Chen, F. M. & Chen, Y. H., 2013 Jan 2, In : IEEE Photonics Technology Letters. 25, 1, p. 85-87 3 p., 6389786.

Research output: Contribution to journalArticle

Solar cells
solar cells
Hole concentration
Carrier transport
Valence bands
11 Citations (Scopus)

Design and characterization of polarization-reversed alingan based ultraviolet light-emitting diode

Chang, Y. A., Lin, Y. R., Chang, J. Y., Wang, T. H. & Kuo, Y. K., 2013 May 22, In : IEEE Journal of Quantum Electronics. 49, 6, p. 553-559 7 p., 6507317.

Research output: Contribution to journalArticle

ultraviolet radiation
Semiconductor quantum wells
Light emitting diodes
light emitting diodes
quantum wells
8 Citations (Scopus)
elementary school teacher
teacher
Teaching
educator
interview
4 Citations (Scopus)

How did the meanings constructed by Taiwanese pre-service teachers from educational news media affect their beliefs?

Liu, S-H. & Tsao, S. C., 2013 Jun 1, In : Educational Media International. 50, 2, p. 135-147 13 p.

Research output: Contribution to journalArticle

news
teacher
educational event
interpretation
Experiments
11 Citations (Scopus)

Improved quantum efficiency in green InGaN light-emitting diodes with InGaN barriers

Chang, J. Y., Chang, Y. A., Chen, F. M., Kuo, Y. T. & Kuo, Y. K., 2013 Jan 7, In : IEEE Photonics Technology Letters. 25, 1, p. 55-58 4 p., 6353514.

Research output: Contribution to journalArticle

Quantum efficiency
Light emitting diodes
quantum efficiency
light emitting diodes
radiative recombination
9 Citations (Scopus)

Numerical investigation of high-efficiency InGaN-based multijunction solar cell

Chang, J. Y., Yen, S. H., Chang, Y. A., Liou, B. T. & Kuo, Y. K., 2013 Dec 1, In : IEEE Transactions on Electron Devices. 60, 12, p. 4140-4145 6 p., 6645380.

Research output: Contribution to journalArticle

Polarization
Open circuit voltage
Short circuit currents
Sun
Conversion efficiency
10 Citations (Scopus)

Numerical study of the suppressed efficiency droop in blue InGaN LEDs with polarization-matched configuration

Chang, J-Y., Chen, F. M., Kuo, Y-K., Shih, Y. H., Sheu, J. K., Lai, W. C. & Liu, H., 2013 Aug 23, In : Optics Letters. 38, 16, p. 3158-3161 4 p.

Research output: Contribution to journalArticle

light emitting diodes
polarization
configurations
quantum wells
Stark effect
20 Citations (Scopus)

Simulation of high-efficiency GaN/InGaN p-i-n solar cell with suppressed polarization and barrier effects

Chang, J-Y., Yen, S. H., Chang, Y. A. & Kuo, Y-K., 2013 Jan 1, In : IEEE Journal of Quantum Electronics. 49, 1, p. 17-23 7 p., 6334407.

Research output: Contribution to journalArticle

Solar cells
solar cells
Polarization
Indium
indium
18 Citations (Scopus)
primary school
Teaching
teacher
learning
community
2012
38 Citations (Scopus)

Advantages of blue InGaN light-emitting diodes with InGaN-AlGaN-InGaN barriers

Kuo, Y. K., Wang, T. H. & Chang, J. Y., 2012 Jan 16, In : Applied Physics Letters. 100, 3, 031112.

Research output: Contribution to journalArticle

energy bands
light emitting diodes
diagrams
radiative recombination
quantum efficiency
6 Citations (Scopus)
ultraviolet radiation
Semiconductor quantum wells
Light emitting diodes
light emitting diodes
quantum wells
22 Citations (Scopus)
teaching practice
Teaching
teacher
Education
education
9 Citations (Scopus)

Blue InGaN light-emitting diodes with multiple GaN-InGaN barriers

Kuo, Y. K., Wang, T. H. & Chang, J. Y., 2012 May 22, In : IEEE Journal of Quantum Electronics. 48, 7, p. 946-951 6 p., 6176192.

Research output: Contribution to journalArticle

Light emitting diodes
light emitting diodes
Quantum efficiency
Band structure
Indium
15 Citations (Scopus)

Influence of polarization-matched AlGaInN barriers in blue InGaN light-emitting diodes

Chang, J. Y. & Kuo, Y. K., 2012 May 1, In : Optics Letters. 37, 9, p. 1574-1576 3 p.

Research output: Contribution to journalArticle

light emitting diodes
polarization
quantum wells
quantum efficiency
retarding
23 Citations (Scopus)
light emitting diodes
electrons
quantum efficiency
simulation
injection
17 Citations (Scopus)

Investigation of InGaN green light-emitting diodes with chirped multiple quantum well structures

Chang, Y. A., Kuo, Y. T., Chang, J. Y. & Kuo, Y. K., 2012 Jun 15, In : Optics Letters. 37, 12, p. 2205-2207 3 p.

Research output: Contribution to journalArticle

indium
light emitting diodes
quantum wells
carrier injection
emission spectra