Preparation method of cross-linked fullerene bulk heterojunction perovskite solar cell

A solar cell and perovskite-type technology, applied in the field of solar cells, can solve the problems of limiting the energy conversion efficiency of battery devices, etc., and achieve the effects of improving low coverage, increasing coverage, and increasing optional space

Active Publication Date: 2016-04-06
SUZHOU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Technical problem to be solved: Aiming at the shortcomings of the existing planar heterojunction perovskite solar energy that limit the transmission of photocurrent and restrict the energy conversion efficiency of battery devices, the present invention provides a cross-linked fullerene heterojunction calcium Preparation method of titanium ore type solar cell

Method used

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  • Preparation method of cross-linked fullerene bulk heterojunction perovskite solar cell

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Embodiment 1

[0025] A method for preparing a cross-linked fullerene heterojunction perovskite solar cell, the preparation steps of the preparation method are as follows:

[0026] (1) Dissolve 256mg of methylammonium iodide, 149mg of lead chloride, and 6mg of [6,6]-phenyl-C61-butyricstyryldendronester in dimethylformamide, stir for 5 hours, and prepare 30wt% perovskite Mine dimethylformamide solution;

[0027] (2) Spin-coat the PEDOT:PSS solution on the ITO glass substrate at a speed of 4500rpm for 40s, and then anneal in air at 100°C for 20min to form a cured anode modification layer with a thickness of 45nm;

[0028] (3) Spin-coat the perovskite dimethylformamide solution obtained in (1) on the anode modification layer obtained in (2) at a rotation speed of 4000rpm for 40s, and then anneal at 100°C to obtain a uniform A cured bulk heterojunction photosensitive layer with a thickness of 250nm;

[0029] (4) Spin-coat [6,6]-phenyl-C61-butyric acid methyl ester on the bulk heterojunction ph...

Embodiment 2

[0032] A method for preparing a cross-linked fullerene heterojunction perovskite solar cell, the preparation steps of the preparation method are as follows:

[0033] (1) Dissolve 256mg of methylammonium iodide, 149mg of lead chloride, and 6mg of [6,6]-phenyl-C61-butyricstyryldendronester in dimethylformamide, stir for 5 hours, and prepare 30wt% perovskite Mine dimethylformamide solution;

[0034] (2) Spin-coat the PEDOT:PSS solution on the ITO flexible substrate at a rotation speed of 4500rpm for 40s, and then anneal in air at 100°C for 20min to form a cured anode modification layer with a thickness of 45nm;

[0035] (3) Spin-coat the perovskite dimethylformamide solution obtained in (1) on the anode modification layer obtained in (2) at a rotation speed of 4000rpm for 40s, and then anneal at 100°C to obtain a uniform A cured bulk heterojunction photosensitive layer with a thickness of 250nm;

[0036] (4) Spin-coat [6,6]-phenyl-C61-butyric acid methyl ester on the bulk heter...

Embodiment 3

[0039] A method for preparing a cross-linked fullerene heterojunction perovskite solar cell, the preparation steps of the preparation method are as follows:

[0040] (1) Dissolve 256mg of methylammonium iodide, 149mg of lead chloride, and 1mg of [6,6]-phenyl-C61-butyricstyryldendronester in dimethylformamide, stir for 2 hours, and prepare 30wt% perovskite Mine dimethylformamide solution;

[0041] (2) Spin-coat the PEDOT:PSS solution on the ITO glass substrate at a speed of 4500rpm for 40s, and then anneal in air at 95°C for 40min to form a cured anode modification layer with a thickness of 45nm;

[0042] (3) Spin-coat the perovskite dimethylformamide solution obtained in (1) on the anode modification layer obtained in (2) at a rotation speed of 4000rpm for 40s, and then anneal at 100°C to obtain a uniform A cured bulk heterojunction photosensitive layer with a thickness of 250nm;

[0043] (4) Spin-coat [6,6]-phenyl-C61-butyric acid methyl ester on the bulk heterojunction pho...

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Abstract

The invention provides a preparation method of a cross-linked fullerene bulk heterojunction perovskite solar cell. The method comprises the following preparation steps: dissolving methyl ammonium iodide, lead chloride and [6,6]-phenyl-C61-butyric styryl dendron ester into dimethyl formamide to prepare 30wt% of perovskite dimethyl formamide solution; processing a PEDOT:PSS solution on a substrate to form cured anode modifying layer; processing the perovskite dimethyl formamide solution on the anode modifying layer to obtain a uniformly cured bulk heterojunction photosensitive layer; processing [6,6]-phenyl-C61-methyl butyrate on the bulk heterojunction photosensitive layer to obtain a uniform electron transport layer; and processing a cathode electrode on the electron transport layer, so as to obtain the cross-linked fullerene bulk heterojunction perovskite solar cell. The perovskite solar cell prepared by the method has the advantages of high energy conversion efficiency and good photovoltaic characteristic.

Description

technical field [0001] The invention belongs to the field of solar cells, and in particular relates to a method for preparing a cross-linked fullerene heterojunction perovskite solar cell. Background technique [0002] Bulk heterojunction solar cells are favored by many researchers for their high-efficiency electron-hole transport properties. This bulk heterojunction device structure is widely used in organic solar cells and fuel-sensitized cells. However, in perovskite solar cells The planar heterojunction device structure is usually used in the battery, which limits the photocurrent transmission of the battery device to a certain extent, and restricts the further improvement of the energy conversion efficiency of the battery device. [0003] In addition, the short carrier migration length restricts the improvement of the efficiency of planar heterojunction perovskite solar cells to a certain extent, and the current short-circuit current density is usually 18-20mA / cm 2 Man...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/48H01L51/42H01L51/46
CPCH10K85/00H10K30/00H10K30/30Y02E10/549
Inventor 廖良生王照奎李萌
Owner SUZHOU UNIV
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