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  • Wen-Chau Liu
2015

An enhancement-mode pseudomorphic high electron mobility transistor prepared by an Electroless Plating (EP) and a gate-sinking approaches

Chen, C. C., Chen, H. I., Liu, I. P., Chou, P. C., Liou, J. K., Tsai, J. H. & Liu, W. C., 2015 Mar, In : Solid-State Electronics. 105, p. 45-50 6 p.

Research output: Contribution to journalArticle

Characteristics enhancement of a GaAs based heterostructure field-effect transistor with an electrophoretic deposition (EPD) surface treated gate structure

Chen, C. C., Chen, H. I., Liu, I. P., Chou, P. C., Liou, J. K., Tsai, Y. T. & Liu, W. C., 2015 Jun 30, In : Applied Surface Science. 341, p. 120-126 7 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Characteristics of ZnO nanorods-based ammonia gas sensors with a cross-linked configuration

Chen, T. Y., Chen, H. I., Hsu, C. S., Huang, C. C., Wu, J. S., Chou, P. C. & Liu, W. C., 2015 Jul 17, In : Sensors and Actuators, B: Chemical. 221, p. 491-498 8 p.

Research output: Contribution to journalArticle

58 Citations (Scopus)

Enhanced light extraction of a high-power GaN-based light-emitting diode with a nanohemispherical hybrid backside reflector

Liou, J. K., Chen, W. C., Chang, C. H., Chang, Y. C., Tsai, J. H. & Liu, W. C., 2015 Oct 1, In : IEEE Transactions on Electron Devices. 62, 10, p. 3296-3301 6 p., 7194779.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Enhancement of hydrogen sensing performance of a GaN-based Schottky diode with a hydrogen peroxide surface treatment

Chen, C. C., Chen, H. I., Liu, I. P., Liu, H. Y., Chou, P. C., Liou, J. K. & Liu, W. C., 2015 May, In : Sensors and Actuators, B: Chemical. 211, p. 303-309 7 p.

Research output: Contribution to journalArticle

22 Citations (Scopus)

Hydrogen sensing characteristics of a Pt/AlGaN/GaN heterostructure field-effect transistor (HFET) prepared by sensitization, activation, and electroless plating (EP) approaches

Chen, C. C., Chen, H-I., Liu, I-P., Chou, P. C., Liou, J. K., Huang, C. C. & Liu, W-C., 2015 Jan 1, In : Sensors and Actuators, B: Chemical. 212, p. 127-136 10 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Hydrogen sensing performance of a nickel oxide (NiO) thin film-based device

Chou, P. C., Chen, H-I., Liu, I-P., Chen, C. C., Liou, J. K., Hsu, K. S. & Liu, W-C., 2015 Jan 5, In : International Journal of Hydrogen Energy. 40, 1, p. 729-734 6 p.

Research output: Contribution to journalArticle

27 Citations (Scopus)

Nitrogen Oxide (NO2) Gas Sensing Performance of ZnO Nanoparticles (NPs)/Sapphire-Based Sensors

Chou, P. C., Chen, H. I., Liu, I. P., Chen, C. C., Liou, J. K., Lai, C. J. & Liu, W. C., 2015 Jul 1, In : IEEE Sensors Journal. 15, 7, p. 3759-3763 5 p., 7050338.

Research output: Contribution to journalArticle

On a GaN-based ion sensitive field-effect transistor (ISFET) with a hydrogen peroxide surface treatment

Chen, C. C., Chen, H. I., Liu, H. Y., Chou, P. C., Liou, J. K. & Liu, W. C., 2015 Mar 31, In : Sensors and Actuators, B: Chemical. 209, p. 658-663 6 p.

Research output: Contribution to journalArticle

20 Citations (Scopus)

On a Schottky diode-type hydrogen sensor with pyramid-like Pd nanostructures

Chou, P. C., Chen, H. I., Liu, I. P., Chen, W. C., Chen, C. C., Liou, J. K., Lai, C. J. & Liu, W. C., 2015 Aug 3, In : International Journal of Hydrogen Energy. 40, 29, p. 9006-9012 7 p., 15920.

Research output: Contribution to journalArticle

7 Citations (Scopus)

On the Ammonia Gas Sensing Performance of a RF Sputtered NiO Thin-Film Sensor

Chou, P. C., Chen, H-I., Liu, I-P., Chen, C. C., Liou, J. K., Hsu, K. S. & Liu, W-C., 2015 Jul 1, In : IEEE Sensors Journal. 15, 7, p. 3711-3715 5 p., 7053906.

Research output: Contribution to journalArticle

25 Citations (Scopus)
2017

An improved GaN-based light-emitting diode with a SiO2 current blocking layer embedded in stair-like AZO transparent structure

Liou, S. H., Tsai, J. H., Liu, W-C., Lin, P. S. & Chen, Y. C., 2017 Jan 1, In : ECS Journal of Solid State Science and Technology. 6, 10, p. R149-R153

Research output: Contribution to journalArticle

Characteristics of GaN-Based LEDs with Hybrid Microhole Arrays and SiO2 Microspheres/Nanoparticles Structures

Liou, J. K., Chan, Y. C., Chen, W. C., Chang, C. H., Chen, C. Y., Tsai, J. H. & Liu, W. C., 2017 Jul, In : IEEE Transactions on Electron Devices. 64, 7, p. 2854-2858 5 p., 7932114.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Hydrogen sensing characteristics of a Pd/AlGaOx/AlGaN-based Schottky diode

Chen, H. I., Chuang, K. C., Chang, C. H., Chen, W. C., Liu, I. P. & Liu, W. C., 2017 Jan 1, In : Sensors and Actuators, B: Chemical. 246, p. 408-414 7 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Hydrogen sensing performance of a Pd nanoparticle/Pd film/GaN-based diode

Chen, H. I., Cheng, Y. C., Chang, C. H., Chen, W. C., Liu, I. P., Lin, K. W. & Liu, W. C., 2017 Jan 1, In : Sensors and Actuators, B: Chemical. 247, p. 514-519 6 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Influence of AZO stair-like transparent layers on GaN-based light-emitting diodes

Liou, S. H., Tsai, J. H., Liu, W-C., Lin, P. S. & Chen, Y. C., 2017 Oct 1, In : Superlattices and Microstructures. 110, p. 171-179 9 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)
9 Citations (Scopus)

Performance Enhancement of GaN-Based Light-Emitting Diodes by Using Transparent Ag Metal Line Patterns

Hsu, C. S., Chen, S. Y., Liou, J. K., Chen, W. C., Chang, C. H., Chen, C. Y., Cheng, S. Y., Guo, D. F. & Liu, W. C., 2017 Jun, In : IEEE Transactions on Electron Devices. 64, 6, p. 2542-2548 7 p., 7911252.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Study of a GaN-Based LED with an Al/AZO Composite Transparent Conductive Layer

Hsu, C. H., Chen, S. Y., Chen, W. C., Chang, C. H., Chen, C. Y., Tsai, J. H. & Liu, W. C., 2017 Sep, In : IEEE Transactions on Electron Devices. 64, 9, p. 3678-3682 5 p., 7982960.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Study of GaN-based LEDs with hybrid SiO2 microsphere/nanosphere antireflection coating as a passivation layer by a rapid convection deposition

Hsu, C. H., Chan, Y. C., Chen, W. C., Chang, C. H., Liou, J. K., Cheng, S. Y., Guo, D. F. & Liu, W. C., 2017 Mar, In : IEEE Transactions on Electron Devices. 64, 3, p. 1134-1139 6 p., 7845605.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2018

Ammonia sensing characteristic of a Pt nanoparticle/aluminum-doped zinc oxide sensor

Chen, H. I., Chi, C. Y., Chen, W. C., Liu, I. P., Chang, C. H., Chou, T. C. & Liu, W. C., 2018 Aug 15, In : Sensors and Actuators, B: Chemical. 267, p. 145-154 10 p.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Characteristics of a Pt/NiO thin film-based ammonia gas sensor

Chen, H. I., Hsiao, C. Y., Chen, W. C., Chang, C. H., Chou, T. C., Liu, I. P., Lin, K. W. & Liu, W. C., 2018 Mar, In : Sensors and Actuators, B: Chemical. 256, p. 962-967 6 p.

Research output: Contribution to journalArticle

34 Citations (Scopus)
9 Citations (Scopus)

Enhancement of Hydrogen Sensing Performance of a Pd Nanoparticle/Pd Film/GaOx/GaN-Based Metal-Oxide- Semiconductor Diode

Ke, B. Y. & Liu, W. C., 2018 Oct, In : IEEE Transactions on Electron Devices. 65, 10, p. 4577-4584 8 p., 8450052.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Formaldehyde sensing characteristics of an aluminum-doped zinc oxide (AZO) thin-film-based sensor

Chi, C. Y., Chen, H. I., Chen, W. C., Chang, C. H. & Liu, W. C., 2018 Feb, In : Sensors and Actuators, B: Chemical. 255, p. 3017-3024 8 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Formaldehyde sensing characteristics of a nio-based sensor decorated with Pd nanoparticles and a Pd Thin film

Chen, H. I., Hsiao, C. Y., Chen, W. C., Chang, C. H., Liu, I. P., Chou, T. C. & Liu, W. C., 2018 May, In : IEEE Transactions on Electron Devices. 65, 5, p. 1956-1961 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Hydrogen sensing performance of a Pd/HfO2/GaN metal-oxide-semiconductor (MOS) Schottky diode

Chen, H. I., Chang, C. H., Lu, H. H., Liu, I. P., Chen, W. C., Ke, B. Y. & Liu, W. C., 2018 Jun 1, In : Sensors and Actuators, B: Chemical. 262, p. 852-859 8 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Hydrogen sensing performance of a Pd/HfO2/GaOx/GaN based metal-oxide-semiconductor type Schottky diode

Chang, C. H., Lin, K. W., Lu, H. H., Liu, R. C. & Liu, W. C., 2018 Oct 18, In : International Journal of Hydrogen Energy. 43, 42, p. 19816-19824 9 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Implementation of light extraction improvements of GaN-based light-emitting diodes with specific textured sidewalls

Chen, C. Y., Chen, W. C., Chang, C. H., Lee, Y. L. & Liu, W. C., 2018 May, In : Optics and Laser Technology. 101, p. 172-176 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2019

A high-performance Pd nanoparticle (NP)/WO3 thin-film-based hydrogen sensor

Lee, C. & Liu, W-C., 2019 Jul 1, In : IEEE Electron Device Letters. 40, 7, p. 1194-1197 4 p., 8709960.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Ammonia Sensing Characteristics of a Tungsten Trioxide Thin-Film-Based Sensor

Chou, T. C., Chang, C. H., Lee, C. & Liu, W. C., 2019 Jan, In : IEEE Transactions on Electron Devices. 66, 1, p. 696-701 6 p., 8556505.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Hydrogen sensing characteristics of a metal-oxide-semiconductor diode with bimetallic catalysts and a gaox dielectric

Chen, H. Y. & Liu, W. C., 2019 Jul, In : IEEE Transactions on Electron Devices. 66, 7, p. 3144-3150 7 p., 8727417.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Inverter logic of AlGaAs/InGaAs enhancement/depletion-mode pseudomorphic high electron mobility transistors with virtual channel layers

Tsai, J. H., Lin, P. S., Lour, W. S. & Liu, W. C., 2019 Jan 1, In : ECS Journal of Solid State Science and Technology. 8, 10, p. Q211-Q216

Research output: Contribution to journalArticle

Open Access

Performance Improvement of GaN-Based Light-Emitting Diodes with a Microhole Array, 45° Sidewalls, and a SiO2 Nanoparticle/Microsphere Passivation Layer

Chang, C. H., Lee, Y. L., Wang, Z. F., Liu, R. C., Tsai, J. H. & Liu, W. C., 2019 Jan, In : IEEE Transactions on Electron Devices. 66, 1, p. 505-511 7 p., 8573125.

Research output: Contribution to journalArticle

3 Citations (Scopus)