Absorption film for thermal photovoltaic cell

A technology of thermal photovoltaic cells and absorbing films, applied in photovoltaic power generation, circuits, electrical components, etc., can solve the problems of low conversion efficiency of thermal photovoltaic cells, and achieve the effect of improving photoelectric conversion efficiency and mobility

Pending Publication Date: 2018-08-21
无锡马丁格林光伏科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the absorption film of thermal photovoltaic cells is a thin layer of graphene, so the conversion efficiency of thermal photovoltaic cells is generally low

Method used

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  • Absorption film for thermal photovoltaic cell

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings.

[0012] like figure 1 Shown, the present invention is a kind of absorber film that is used for thermal photovoltaic cell, comprises graphene layer 2, Au layer 3, Ag layer 4, PMMA layer 5, is characterized in that: in described Au layer 3 and Ag layer 4 There is a graphene layer 2 in the middle, a graphene layer 2 on the lower surface of the Au layer 3, a PMMA layer 5 on the upper surface of the Ag layer 4, and the Ag layer 4 is composed of a plurality of hemispherical Ag particles 6.

[0013] The thickness of the Au layer 3 is 5-20 nanometers.

[0014] The diameter of the hemispherical Ag particles 6 is 10-15 nanometers.

[0015] The thickness of the PMMA layer 5 is 90-100 nanometers.

[0016] The present invention obtains through the following steps:

[0017] (1) Clean the thermal photovoltaic cell substrate 1 with alcohol, one end of the thermal photovoltaic cell ...

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Abstract

The invention relates to an absorption film for a thermal photovoltaic cell, which comprises a graphene layer, an Au layer, an Ag layer and a PMMA layer, and is characterized in that the Au layer andthe Ag layer are provided with the graphene layer therebetween, the lower surface of the Au layer is provided with the graphene layer, the upper surface of the Ag layer is provided with the PMMA layer, and the Ag layer is formed by multiple hemispherical Ag particles. The absorption film adopts an imprinted nano-cone structure, can absorb infrared and far-infrared light of a wider band, and playsa role of gradually changing the refractive index at the same time; the Ag particles are clamped between PMMA and graphene, can generate surface plasma resonance and plays a role of localization for light; the Au layer is applied to localization for light with longer wavelength; and the graphene is used for improving the mobility of thermal photons and phonons. The photoelectric conversion efficiency of the thermal photovoltaic cell is improved.

Description

technical field [0001] The invention belongs to the technical field of solar thermal utilization, and in particular relates to an absorbing film for thermal photovoltaic cells. Background technique [0002] Thermo-photovoltaic cells are also called thermoelectric cells, which mainly use infrared light and longer-wavelength light, which account for most of the sunlight, to generate electricity. The principle of power generation is similar to that of photovoltaics currently on the market. At present, the absorption film of thermal photovoltaic cells is a thin layer of graphene, so the conversion efficiency of thermal photovoltaic cells is generally low. Contents of the invention [0003] In view of the above problems, the present invention provides an absorbing film for thermal photovoltaic cells, which can absorb most of the useful light in infrared and far infrared, and improve the photoelectric conversion efficiency of thermal photovoltaic cells. [0004] The technical s...

Claims

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Application Information

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IPC IPC(8): H01L31/0216H01L31/04
CPCH01L31/02167H01L31/04Y02E10/50
Inventor 熊保鸿
Owner 无锡马丁格林光伏科技有限公司
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