Planar fluorescent condenser

A light concentrator and planar optical waveguide technology, applied in the field of light concentrators, can solve the problems of limiting the wide application of carbon quantum dots, low photoelectric conversion efficiency, and complicated preparation process, so as to improve the photoelectric conversion efficiency, avoid direct exposure to sunlight, and light The effect of high absorption coefficient

Inactive Publication Date: 2017-06-16
SUN YAT SEN UNIV
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, due to the inherent defects of thin-film solar cells, such as low photoelectric conversion efficiency, complex preparation process, and high production cost, the wide application of carbon quantum dots is limited.

Method used

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  • Planar fluorescent condenser
  • Planar fluorescent condenser
  • Planar fluorescent condenser

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Embodiment Construction

[0045] Such as figure 2 As shown, a flat fluorescent concentrator according to the present invention includes solar cells 4 and 5 placed on both sides, and a glass cover plate 1 and a selective reflection layer placed in the middle from top to bottom. 2. The upper air thin layer 3, the fluorescent planar optical waveguide layer 6, the lower air thin layer 7 and the high reflection film 8, wherein the fluorescent planar optical waveguide layer 6 includes a fluorescent substance and a planar optical waveguide, and the fluorescent substance is placed in the planar optical waveguide In the surface or planar optical waveguide, the fluorescent substance is a carbon quantum dot material, the outer layer of the fluorescent substance is wrapped with a ZnS reflective film, and the planar optical waveguide is a high molecular polymer, specifically: the high molecular polymer It is polymethyl methacrylate, polycarbonate, polydimethylsiloxane or polyethylene.

[0046]The glass cover plat...

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Abstract

The invention belongs to the technical field of condenser products, and specifically discloses a planar fluorescent condenser. The condenser comprises solar cells arranged at two side edges and a glass cover plate, a selective reflection layer, an upper air thin layer, a fluorescent planar optical waveguide layer, a lower air thin layer and a high reflection film which are sequentially arranged from top to bottom at the middle, wherein the fluorescent planar optical waveguide layer comprises a fluorescent substance and a planar optical waveguide, the fluorescent substance is arranged at the surface of the planar optical waveguide or inside the planar optical waveguide, and the fluorescent substance is a carbon quantum dot material. The planar fluorescent condenser can better play multiple effects of absorbing, transmitting or emitting and gathering optical energy, so that light received by the solar cells is enabled to not only contain a solar portion, but also contain a fluorescence emission portion of carbon quantum dots, and the photoelectric conversion efficiency of a solar power generation system is effectively improved.

Description

technical field [0001] The invention belongs to the technical field of light concentrators, in particular to a plane fluorescent light concentrator. Background technique [0002] In the prior art, there are two types of solar concentrator technologies: LSC technology (cold light solar concentrator) and QDSC technology (quantum dot solar concentrator). [0003] First, LSC technology (luminescent solar concentrator, luminescent solar concentrator) first appeared in the 1970s, and its basic principles are as follows figure 1 As shown, the fluorescent dye particles 1' are evenly distributed in the flat plate. The fluorescent dye particles 1' can absorb the incident sunlight and re-excite the fluorescence (luminescence). and reflection) function to guide the flow (waveguide) to the solar cell 2' installed on the side wall of the flat plate, with advanced principle and excellent structure. [0004] Second, QDSC (quantum dot solar concentrator, quantum dot solar concentrator) tec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02S40/22
CPCH02S40/22Y02E10/52
Inventor 吴小龙舒碧芬庄琳连榕海王玮郭银汪婧杨晴川徐朝阳
Owner SUN YAT SEN UNIV
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