Incident Angle Dependence of Quantum Efficiency in c-Si Solar Cell or a-Si Thin Film Solar Cell in BIPV System

강정욱,; 손찬희,; 조광섭,; 유진혁,; 김정식,; 박창균,; 차성덕,; 권기청,

doi:10.5757/jkvs.2012.21.1.62

Journal of the Korean Vacuum Society

2012

DOI: 10.5757/jkvs.2012.21.1.62

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Incident Angle Dependence of Quantum Efficiency in c-Si Solar Cell or a-Si Thin Film Solar Cell in BIPV System

강정욱 강정욱¹,

손찬희 손찬희²,

조광섭 조광섭³

et al.

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Cited by 3 publications

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Photovoltaic Characteristics of Low-density Concentration GaAs Solar Cells with/without Anti-reflective Coating

Noh¹,

Kim²,

Yu³

2014

Applied Science and Convergence Technology

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We have studied photovoltaic characteristics of single-junction GaAs solar cells with/without an MgF 2 /ZnS anti-reflective coating (ARC) illuminated by low-density concentration (＜10 suns). By the ARC deposition, the short-circuit current density (J SC) and the fill factor (FF) are increased by 5 mA/cm 2 and 5% at a standard illumination (1 sun), respectively, and the resulted conversion efficiency is enhanced by 45%. In contrast with the cell with no ARC showing a rapid degradation with increasing concentration power, the efficiency of ARC-deposited cell remains almost constant as (17.7±0.3)% regardless of the concentration. It informs that ARC treatment is very effective in GaAs concentrator solar cells.

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Photovoltaic Characteristics of Low-density Concentration GaAs Solar Cells with/without Anti-reflective Coating

Noh¹,

Kim²,

Yu³

2014

Applied Science and Convergence Technology

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Research on Changes in Short Circuit Current of C-Si Solar Cell by Charge Density Waves

Seo¹,

Koo²,

Yun³

et al. 2013

Journal of the Korean Vacuum Society

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We measure solar currents transformed from quantum efficiency as a function of incident angles of solar lights. According to conventional models for solar cells, solar currents can be induced when electrons are separated into electrons and holes in the presence of incident solar lights. On the contrary, solar currents can be possible at the time when pinned charge density waves go beyond the pinning potential barrier under the influence of incident solar beams suggested by some authors. In this experiment, measured solar currents and our theory are in good correspondence to confirm the angle dependence of solar lights.

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A Study of Characterization of Multi-Crystalline Silicon Solar Cell Module using by RIE and Wet Texturing for BIPV

Seo¹,

Yun²,

Jo³

et al. 2013

Journal of The korean society for new and renewable energy

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Multi-crystalline silicon solar cells is not exist a specific crystal direction different from single crystalline silicon solar cells. In functional materials, therefore, isotropic wet etching of mc-Si solar cell is easy the acid solution rather than the alkaline solution. The reflectance of wet texturing process is about 25% and the reflectance of RIE texturing process is achieved less than 10%. In addition, wet texturing has many disadvantages as well as reflectance. So wet texturing process has been replaced by a RIE texturing process. In order to apply BIPV, RIE and wet textured multi-crystalline silicon solar cell modules was manufactured by different kind of EVA sheet. Moreover, in case of BIPV, the short circuit current characteristics according to the angle of incidence is more important, because the installation of BIPV is fixed location. In this study, we has measured SEM image and I-V curve of RIE and wet textured silicon solar cell and PV module. Also we has analyzed quantum efficiency characteristics of RIE and wet textured silicon solar cell for PV modules depending on incidence angle.

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Incident Angle Dependence of Quantum Efficiency in c-Si Solar Cell or a-Si Thin Film Solar Cell in BIPV System

Cited by 3 publications

References 4 publications

Photovoltaic Characteristics of Low-density Concentration GaAs Solar Cells with/without Anti-reflective Coating

Photovoltaic Characteristics of Low-density Concentration GaAs Solar Cells with/without Anti-reflective Coating

Research on Changes in Short Circuit Current of C-Si Solar Cell by Charge Density Waves

A Study of Characterization of Multi-Crystalline Silicon Solar Cell Module using by RIE and Wet Texturing for BIPV

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