Laminated solar battery based on perovskite battery and HIT battery and manufacturing method

A technology of perovskite cells and solar cells, which is applied in the field of solar cells, can solve the problems that the spectrum is not utilized and the efficiency of the cells cannot be greatly improved, and achieve the effects of reducing energy barriers, improving photoelectric conversion efficiency, and broadening the absorption spectrum

Inactive Publication Date: 2015-10-14
INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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Problems solved by technology

[0004] Organic-inorganic hybrid perovskite materials such as CH 3 NH 3 PB 3 or CH 3 NH 3 PB 3-x Cl x , because its optical bandgap is 1.55eV, and its photoresponse range is around 300nm-800nm, which makes the spectrum in the near-infrared region unused and cannot greatly improve the cell efficiency

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  • Laminated solar battery based on perovskite battery and HIT battery and manufacturing method
  • Laminated solar battery based on perovskite battery and HIT battery and manufacturing method

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Embodiment Construction

[0032] see figure 1 As shown, the present invention provides a tandem solar cell based on a perovskite cell and a HIT cell, and the structure includes from bottom to top:

[0033] a back metal electrode 10;

[0034] A HIT cell 20, which is made on the back metal electrode 10, the structure of the HIT cell 20 is N+ type amorphous silicon layer 21, intrinsic amorphous silicon layer 22, N type single crystal silicon layer 23, intrinsic An amorphous silicon layer 24 and a p-type amorphous silicon layer 25;

[0035] An ITO connection layer 30, which is made on the HIT battery 20;

[0036] An electron transport layer 40, which is made on the ITO connection layer 30;

[0037] A perovskite active absorption layer 50, which is made on the electron transport layer 40;

[0038] A hole transport layer 60, which is made on the perovskite active absorption layer 50;

[0039] An interface modification layer 70, which is made on the hole transport layer 60;

[0040] A transparent electr...

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Abstract

A laminated solar battery based on a perovskite battery and an HIT battery comprises a back metal electrode; the HIT battery which is manufactured on the back metal electrode; an ITO connection layer which is manufactured on the HIT battery; an electron transporting layer which is manufactured on the ITO connection layer; a perovskite active absorption layer which is manufactured on the electron transporting layer; a hole transporting layer which is manufactured on the perovskite active absorption layer; an interface modification layer which is manufactured on the hole transporting layer; a light facing surface transparent electrode which is manufactured on the interface modification layer; and a metal grid line electrode which is manufactured on the light facing surface transparent electrode, wherein the metal grid line electrode is located on the two sides of the center on the light facing surface transparent electrode. With the adoption of the laminated solar battery based on the perovskite battery and the HIT battery, the absorption spectrum can be expanded and light energy is converted into electric energy to the greatest extent, so that the photoelectric conversion efficiency of the perovskite solar battery is improved.

Description

technical field [0001] The invention relates to the technical field of solar cells, in particular to a stacked solar cell based on a perovskite cell and a HIT cell and a manufacturing method thereof. technical background [0002] Perovskite solar cells are a very promising type of solar cells that have emerged in recent years. They have outstanding advantages such as high photoelectric conversion efficiency, low cost, and simple fabrication. Therefore, in recent years, the research on such solar cell related materials and device technology has become the frontier and hot spot of research at home and abroad. At present, the main technical means to improve the photoelectric conversion efficiency of perovskite solar cells, one is to adjust the material composition of perovskite cells, and develop materials with better performance to replace the original hole transport layer, perovskite layer or electron transport layer, or Adjust the structure and properties of the original ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/42H01L51/44H01L51/48
CPCH10K30/30H10K30/82Y02E10/549Y02P70/50
Inventor 蒋琦张兴旺张留旗尹志岗
Owner INST OF SEMICONDUCTORS - CHINESE ACAD OF SCI
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