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Optical coatings for luminescent solar concentrators

机译:发光太阳能聚光器的光学涂料

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摘要

In this paper, the luminescent solar concentrator comprises a thick glass with a spectrally-selective optical coating deposited on the bottom surface and an inorganic phosphor layer contacted on the coating surface. A solar cell is contacted to the lateral surface of the thick glass. Spectrally-selective coatings are applied to reflect and redirect the invisible solar radiation to the edges of luminescent solar concentrators. These coatings also transmit the visible solar light and the emission light of the inorganic phosphor. The short-circuit current of the solar cell is measured in a flashing-mode solar simulator with metal-dielectric heat mirrors and dielectric edge filters coated on the thick glass of the luminescent solar concentrators respectively. Experimental results show that the dielectric edge filter will increase the short-circuit current of the solar cell and the invisible light falling on the solar cell in our luminescent solar concentrator. The metal-dielectric coatings, silver-based transparent heat mirrors, will not increase the short-circuit current of the solar cell in our luminescent solar concentrator due to absorption of metal films.
机译:在本文中,发光太阳能集中器包括厚玻璃,该厚玻璃具有沉积在底表面上的光谱选择性光学涂层以及与涂层表面接触的无机磷光体层。太阳能电池与厚玻璃的侧面接触。光谱选择涂层用于反射不可见的太阳辐射并将其重定向到发光太阳能集中器的边缘。这些涂层还透射可见光和无机磷光体的发射光。太阳能电池的短路电流是在闪光模式的太阳能模拟器中测量的,该模拟器具有分别在发光太阳能集中器的厚玻璃上涂覆的金属介电热镜和介电边缘滤光片。实验结果表明,在我们的发光太阳能集中器中,电介质边缘滤波器会增加太阳能电池的短路电流和落在太阳能电池上的不可见光。金属介电涂层(基于银的透明热镜)不会由于吸收金属膜而增加我们的发光太阳能集中器中太阳能电池的短路电流。

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