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🏛️國立陽明交通大學機構典藏

Author: search.filters.author.Chen, Hsin-ChuHas files: No

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Now showing 1 - 7 of 7
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    Enhanced conversion efficiency of a crystalline silicon solar cell with frustum nanorod arrays
    (2011-01-01)
    Tsai, Min-An
    ;
    Tseng, Ping-Chen
    ;
    Chen, Hsin-Chu
    ;
    Kuo, Hao-Chung
    ;
    Yu, Peichen
    Enhanced photoelectric conversion is demonstrated in a crystalline silicon (c-Si) solar cell with frustum nanorod arrays (FNAs). The omnidirectional antireflection of FNAs is also investigated using an angle-resolved reflectance spectroscopy and simulated by RCWA method. (C) 2010 Optical Society of America
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    ANGLE-RESOLVED REFLECTANCE SPECTROSCOPY OF PASSIVATED TRAPEZOID-CORN NANOSTRUCTURES FOR CRYSTALLINE SILICON PHOTOVOLTAICS
    (2010)
    Tseng, Ping-Chen
    ;
    Chen, Hsin-Chu
    ;
    Tsai, Min-An
    ;
    Kuo, Hao-Chung
    ;
    Yu, Peichen
    In this work, we demonstrate an omnidirectional and broadband antireflective nanostructures incorporating a silicon nitrides (SiNx) passivation layer. The antireflective trapezoid-cone nanostructures are fabricated on a silicon wafer using polystyrene colloidal lithography with 550nm in height and then passivated with SiNx in different thicknesses to serve as the antireflection layer for silicon photovoltaics. The angle-resolved reflectance spectroscopy reveals that the trapezoid-cone nanostructures with an 80-nm-thick SiNx passivation layer effectively suppressed the Fresnel reflection over a broad spectral range and large angle of incidence (AOI). The AM1.5g weighted reflectance from 400 nm to 1000 nm is as low as 4.2% at normal incidence and <9.5% up to an AOI of 60 degrees, which is much superior to a conventional textured silicon substrate with passivation.
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    Highly Efficient Multiple-Layer CdS Quantum Dot Sensitized III-V Solar Cells
    (2014-02-01)
    Lin, Chien-Chung
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    Han, Hau-Vei
    ;
    Chen, Hsin-Chu
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    Chen, Kuo-Ju
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    Tsai, Yu-Lin
    In this review, the concept of utilization of solar spectrum in order to increase the solar cell efficiency is discussed. Among the three mechanisms, down-shifting effect is investigated in detail. Organic dye, rare-earth minerals and quantum dots are three most popular down-shift materials. While the enhancement of solar cell efficiency was not clearly observed in the past, the advances in quantum dot fabrication have brought strong response out of the hybrid platform of a quantum dot solar cell. A multiple layer structure, including PDMS as the isolation layer, is proposed and demonstrated. With the help of pulse spray system, precise control can be achieved and the optimized concentration can be found.
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    High Performance of Double-layer Quantum Dots with PDMS Film for Novel GaAs Solar Cells
    (2012)
    Chen, Hsin-Chu
    ;
    Lin, Chien-Chung
    ;
    Han, Hau-Vei
    ;
    Chen, Kuo-Ju
    ;
    Tsai, Yu-Lin
    This study demonstrates the high performance of GaAs solar cells with double-layer quantum dots carried by flexible PDMS film. Several parameters were enhanced. Different concentrations of QDs were also applied to test the optimal combination.
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    Highly efficient CdS-quantum-dot-sensitized InGaN multiple quantum well solar cells
    (2012)
    Tsai, Yu Lin
    ;
    Chen, Hsin-Chu
    ;
    Lin, Chien-Chung
    ;
    Han, Hau-Vei
    ;
    Yu, Peichen
    We demonstrate a hybrid design of InGaN/GaN multiple quantum well (MQW) solar cells combined with colloidal CdS quantum dots. With anti-reflective feature at long wavelength and down-conversion at UV regime, the CdS quantum dot effectively enhance the overall power conversion efficiency by as high as 7.2% compared to the no CdS quantum dots coated device.
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    High Uniformity of Remote Phosphor Structure by ZrO2 Nano-particles for White LEDs
    (2012)
    Chen, Kuo-Ju
    ;
    Chen, Hsin-Chu
    ;
    Lin, Chien-Chung
    ;
    Wang, Chao-Hsun
    ;
    Tsai, Hsin-Han
    High luminous efficiency and superior uniformity of angular-dependent correlated color temperature white light-emitting diodes have been investigated by ZrO2 nano-particales in remote phosphor structure due to the higher capability of light scattering.
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    Enhancement of angular CCT by hybrid phosphor structure in White Light-emitting Diodes
    (2013)
    Chen, Kuo-Ju
    ;
    Chen, Hsin-Chu
    ;
    Shih, Min-Hsiung
    ;
    Wang, Chao Hsun
    ;
    Chien, Shih-Hsuan
    The hybrid phosphor structure for white light-emitting diodes application was reported. It was demonstrated that the improvement of the luminous efficiency as well as the good uniform angular correlated color temperature (CCT) in hybrid phosphor structure compared with the conventional dispense method. The experimental results showed the CCT deviation was improved from 453K to 280K in the range of -70 to 70 degrees, which could be attributed to the large divergent angle of blue light. Moreover, the high lumen output was also achieved, as compared with dispense and conformal phosphor structures. Therefore, the experimental results indicated that the hybrid phosphor structure was feasible to use in the solid state lighting.