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نتیجه جستجو - Reflective coating

تعداد مقالات یافته شده: 2
ردیف عنوان نوع
1 Improved optical and electrical properties for heterojunction solar cell using Al2O3/ITO double-layer anti-reflective coating
بهبود خواص نوری و الکتریکی برای سلول های خورشیدی ناهمگون با استفاده از پوشش ضد انعکاس دو لایه Al2O3/ITO-2021
Silicon heterojunction solar cells have been gaining remarkable attention in the photovoltaic industry in recent years owing to their low temperature coefficient and high efficiency. This study aimed to maximize the short circuit current density (Jsc), which is directly correlated with the absorbance of the solar cells. An advanced ray tracking model and hall effect measurement was used to improve the optical properties of Al2O3/ITO as a double layered anti-reflection coating (DLARC) on the solar cell. RF/DC power sputtering system was used to deposit ITO layer, while atomic layer deposition was used to deposit Al2O3 on ITO to create a DLARC. An average decrease in reflection from 9.33% to 4.74% and enhancement in EQE from 76.89% to 84.34% were observed for the DLARC in the wavelength spectrum at 300–1100 nm. It also exhibited a higher Jsc value of 41.13 mA/cm2 and maximum conversion efficiency of 21.6%. The findings of both simulation and experiments showed that the Al2O3/ITO DLARC has better anti-reflection properties than a single-layer ITO coating.
Keywords: Silicon heterojunction solar cell | Double layered anti-reflection coating | Optical Properties | Electrical Properties
مقاله انگلیسی
2 Dielectric surface coated with thin partially-reflecting mirror : A revisit to Fresnel laws
سطح دی الکتریک پوشیده از آینه نازک تا حدودی منعکس کننده: بازنگری در قوانین Fresnel -2020
New forms of Fresnel reflection and transmission coefficients were derived in the case of oblique optical incidence at the interface of dielectric medium coated with thin partially-reflecting mirror. This essentially required the application of modified boundary conditions for both the electric and magnetic fields. The expressions for power reflectivity (of the mirror) were obtained for both the transverse electric (TE) and transverse magnetic (TM) waves considering the cases of dielectric and metallic coatings. The reflectance and transmittance of the coated surface were also examined corresponding to different values of mirror reflectivity. It is expected that the forms of Fresnel coefficients would be useful in modeling optical and optoelectronic mirror-based devices.
Keywords: Optical interaction | Fresnel coefficients | Reflective coating | Geometrical optics
مقاله انگلیسی
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بازدید امروز: 11768 :::::::: بازدید دیروز: 0 :::::::: بازدید کل: 11768 :::::::: افراد آنلاین: 61