Fluorescence concentrating solar energy cell based on three cesium iodide tin and preparing method thereof

A technology of cesium tin triiodide and solar cells, which is applied in the field of solar energy, can solve the problems of high photoelectric conversion efficiency and low broadband absorption photoelectric conversion efficiency, and achieve the effect of improving photoelectric conversion efficiency

Active Publication Date: 2013-05-08
ZHEJIANG SHANGYUE OPTOELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem of high photoelectric conversion efficiency of single-frequency wavelength and low photoelectric conversion efficiency of broadband absorption in most solar cells, the present invention proposes a fluorescent concentrating solar cell based on cesium tin triiodide, which can be synt

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  • Fluorescence concentrating solar energy cell based on three cesium iodide tin and preparing method thereof

Examples

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Example Embodiment

[0023] Example 1

[0024] Solar cell 1 is a monocrystalline silicon solar cell, and the composition of cesium tin triiodide layer 2 is cesium tin triiodide (CsSnI 3 ), the thickness of the cesium tin triiodide layer 2 is 200 nanometers, the component of the spectroscopic film 3 is silicon dioxide, and the thickness of the spectroscopic film 3 is 10 nanometers.

[0025] The preparation method is as follows: prepare the solar cell 1; plate the cesium tin triiodide layer 2 with a thickness of 200 nanometers on the solar cell 1 by the spin coating method, so that the cesium tin triiodide layer 2 is gradually over the solar cell 1 Condensation forming; the spectroscopic film 3 with a thickness of 10 nanometers is plated on the cesium tin triiodide layer 2 by a vacuum sputtering method, so that the spectroscopic film 3 is gradually condensed and formed on the cesium tin triiodide layer 2.

Example Embodiment

[0026] Example 2

[0027] The solar cell 1 is a polycrystalline silicon solar cell, and the cesium tin triiodide layer 2 is composed of fluorine-doped cesium tin triiodide (CsSnI 2 F) The thickness of the cesium triiodide tin layer 2 is 300 nanometers, the component of the spectroscopic film 3 is silicon nitride, and the thickness of the spectroscopic film 3 is 10 nanometers.

[0028] The preparation method is as follows: prepare the solar cell 1; coat the cesium tin triiodide layer 2 with a thickness of 300 nanometers on the solar cell 1 by the drip coating method, so that the cesium tin triiodide layer 2 gradually over the solar cell 1 Condensation forming; the spectroscopic film 3 with a thickness of 10 nanometers is plated on the cesium tin triiodide layer 2 by a vacuum sputtering method, so that the spectroscopic film 3 is gradually condensed and formed on the cesium tin triiodide layer 2.

Example Embodiment

[0029] Example 3

[0030] The solar cell 1 is a copper indium gallium selenium solar cell, and the cesium tin triiodide layer 2 is composed of fluorine-doped cesium tin triiodide (CsSnIF 2 ), the thickness of the cesium tin triiodide layer 2 is 500 nanometers, the composition of the spectroscopic film 3 is magnesium fluoride, and the thickness of the spectroscopic film 3 is 10 nanometers.

[0031] The preparation method is as follows: prepare the solar cell 1; plate the cesium tin triiodide layer 2 with a thickness of 500 nanometers on the solar cell 1 by chemical hydrothermal method, so that the cesium tin triiodide layer 2 is above the solar cell 1 Gradually condense and shape; the spectroscopic film 3 with a thickness of 10 nanometers is plated on the cesium tin triiodide layer 2 by a vacuum sputtering method, and the spectroscopic film 3 is gradually condensed and formed on the cesium tin triiodide layer 2.

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Abstract

The invention discloses a fluorescence concentrating solar energy cell based on three cesium iodide tin, and the fluorescence concentrating solar energy cells includes a solar energy cell slice, a three cesium iodide tin layer and a spectral film. The three cesium iodide tin layer is arranged on the solar energy cell slice, and the spectral film is arranged on the three cesium iodide tin layer. The three cesium iodide tin layer is formed by the three cesium iodide tin or the derivatives compounds of the three cesium iodide tin layer, and discloses the preparing method of the fluorescence concentrating solar energy cell. The fluorescence concentrating solar energy cell based on the three cesium iodide tin and the preparing method of the fluorescence concentrating solar energy cell can optimize a plurality of photoelectric parameters of the light absorption and reflection by changing conditions such as various optical waveguide synthesis and matching parameters, enables the ordinary solar energy cell photoelectric conversion efficiency to be further promoted, more efficient, more stable and longer in service life.

Description

technical field [0001] The invention relates to the field of solar energy, in particular to a fluorescent concentrating solar cell based on cesium tin triiodide and a preparation method thereof. Background technique [0002] cesium tin iodide CsSnI 3 The research on the compound began in 1974, when Scaife et al first investigated the powdery CsSnI 3 Structural analysis was carried out, after which research groups such as Mauersberger and Huber independently synthesized and calibrated the yellow needle-like CsSnI 3 Microcrystalline. But until 1991, CsSnI 3 The polycrystal was discovered: the polycrystal is called black CsSnI because of its black luster 3 . Black CsSnI 3 by adding yellow CsSnI 3 The crystallite is heated above 425 K to achieve a phase transition. Through X-ray analysis of structure and crystal phase in different temperature regions, black CsSnI 3 Three different crystal structures of the crystals were identified: an ideal cubic perovskite structure (α...

Claims

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Application Information

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IPC IPC(8): H01L31/055H01L31/18
CPCY02E10/50Y02E10/52Y02P70/50
Inventor 任宇航沈凯张进
Owner ZHEJIANG SHANGYUE OPTOELECTRONICS TECH
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