Search

Your search keyword '"Jheng-Jie Liu"' showing total 6 results
Start Over Author "Jheng-Jie Liu" Journal 2020 opto-electronics and communications conference (oecc)
6 results on '"Jheng-Jie Liu"'

1. Combination of up-conversion and near infrared backward scattering for enhancing performance of planar thin-silicon solar cells

Author

Wei-Chih Chiu, Jheng-Jie Liu, Wen-Jeng Ho, Hsi-Wen Hsu, Po-Chiun Lu, and Yu-Ren Chen

Subjects
Materials science, Silicon, business.industry, Scattering, Photovoltaic system, chemistry.chemical_element, Nanoparticle, Phosphor, Indium tin oxide, Planar, chemistry, Optoelectronics, Photonics, business
Abstract

In this study, photovoltaic performance enhanced in near-infrared band backward scattering using indium-tin-oxide nanoparticles and up conversion using Yb/Er-doped phosphors particles on the back side of thin silicon solar cells were measured and compared.

Published
2020
Full Text
View/download PDF

2. Performance characterization of top-illuminate high-speed mesa-type InAlAs/InGaAs APD based on various dimensions of mesa active area

Author

Yen-Chu Li, Wen-Jeng Ho, Chi-Jen Teng, Chia-Chun Yu, Po-Yuan Ding, and Jheng-Jie Liu

Subjects
Materials science, business.industry, Photoconductivity, 02 engineering and technology, Avalanche photodiode, 01 natural sciences, Temperature measurement, Capacitance, Mesa, Characterization (materials science), 010309 optics, 020210 optoelectronics & photonics, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Optoelectronics, business, computer, computer.programming_language, Surface states, Dark current
Abstract

DC and AC performance of InAlAs/InGaAs avalanche photodiodes in term of dark-current, capacitance, multiplication-gain and 3-dB frequency (f 3-dB ) were demonstrated. The f 3-dB of 10-18 GHz was achieved using various dimensions of mesa active area.

Published
2020
Full Text
View/download PDF

3. High-Speed 1550-nm Avalanche Photodiode Based on InAlAs-Multiplicaltion and Mesa-Structure

Author

Wen-Jeng Ho, Yen-Chu Li, Chia-Chun Yu, Po-Ju Lin, Chi-Jen Teng, and Jheng-Jie Liu

Subjects
Materials science, business.industry, Bandwidth (signal processing), 02 engineering and technology, Avalanche photodiode, 01 natural sciences, Temperature measurement, Capacitance, Mesa, 010309 optics, 020210 optoelectronics & photonics, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, Optoelectronics, business, computer, computer.programming_language, Dark current
Abstract

High-speed mesa-structure avalanche photodiodes with dual-InGaAs absorption-layer and InAlAs multiplication-layer were fabricated and characterized. The 3-dB frequency of 17.7 GHz and gain-bandwidth product of 105 GHz were obtained using a mesa diameter of 30 micrometers.

Published
2020
Full Text
View/download PDF

4. Characterization of InP/InGaAs Solar Cells Using Solid Zinc-Diffusion Source and ITO Antireflection Coating

Author

Wei-Chih Chiu, Yu-Tsen Tsai, Wen-Jeng Ho, Bao-Ying Pan, Hsi-Wen Hsu, and Jheng-Jie Liu

Subjects
Materials science, business.industry, Photovoltaic system, Indium tin oxide, Characterization (materials science), Zinc diffusion, chemistry.chemical_compound, chemistry, Indium phosphide, Optoelectronics, Antireflection coating, Quantum efficiency, business, Optical reflectance
Abstract

In this study, by measuring optical reflectance, external quantum efficiency and photovoltaic current-voltage under AM 1.5G solar simulation, the electrical and optical performance of InP/InGaAs solar cells with different thicknesses of ITO antireflective-coating were characterized.

Published
2020
Full Text
View/download PDF

5. Current Mismatch Improving of Triple Junction GaAs Solar Cell Using Antireflective Spectral Modulation

Author

Wen-Jeng Ho, His-Wen Hsu, Xing-Yu Chen, Wei-Chih Chiu, Yau-Huei Chen, and Jheng-Jie Liu

Subjects
Photocurrent, Materials science, business.industry, Triple junction, Photovoltaic system, Energy conversion efficiency, law.invention, Gallium arsenide, chemistry.chemical_compound, Anti-reflective coating, chemistry, law, Modulation, Solar cell, Optoelectronics, business
Abstract

This study reports the use of spectral modulation to solve photocurrent mismatch between sub-cells of triple-junction GaAs solar cell as well as to increase conversion efficiency by using a specific thickness of single antireflection TiO2-layer.

Published
2020
Full Text
View/download PDF

6. External quantum efficiency response and conversion efficiency enhancement of silicon solar cells based on multiple layers of up conversion phosphors coating

Author

Po-Chiun Lu, Yu-Ching Chien, Wen-Jeng Ho, Yu-Ren Chen, Wei-Chih Chiu, and Jheng-Jie Liu

Subjects
Materials science, Silicon, business.industry, Energy conversion efficiency, Photovoltaic system, chemistry.chemical_element, Phosphor, 02 engineering and technology, engineering.material, 01 natural sciences, 010309 optics, Erbium, 020210 optoelectronics & photonics, chemistry, Coating, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, engineering, Optoelectronics, Quantum efficiency, Photonics, business
Abstract

The increased in external quantum efficiency (EQE) and conversion efficiency (η) of silicon solar cells coating multiple up-conversion (UC)-layer on back-side grooved-surface was demonstrated. The EQE- and η-enhancement was 8.4% and 4.7%, due to UC.

Published
2020
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results