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Perovskite battery assembly with ultraviolet protection layer and preparation method thereof

A technology of perovskite cells and protective layers, which can be used in the manufacture of electrical components, electric solid-state devices, semiconductor/solid-state devices, etc. It can improve the stability of UV light and full-spectrum illumination, and eliminate the effect of ion migration.

Pending Publication Date: 2020-07-17
HANGZHOU MICROQUANTA SEMICON CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The stability of perovskite solar cells is the last barrier to the commercialization of perovskite solar cells, especially under ultraviolet light, the intensification of ion migration inside the perovskite, the intensification of photochemical reactions at the interface between the perovskite and the transport layer, etc. Factors leading to decay of perovskite cells, poor stability of perovskite solar cells

Method used

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  • Perovskite battery assembly with ultraviolet protection layer and preparation method thereof
  • Perovskite battery assembly with ultraviolet protection layer and preparation method thereof

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preparation example Construction

[0021] The present invention also discloses a preparation method of the perovskite battery assembly with an ultraviolet protective layer—evaporation method, which includes the following steps:

[0022] Step 1. Place the transparent base layer in the vacuum chamber with its back facing the direction of the evaporation source, and use a vacuum pump to control the air pressure in the vacuum chamber for 10 -8 Pa~10 5 Pa, the heating temperature of the transparent base layer is controlled at 25° C. to 250° C.

[0023] Step 2, placing the UVP additive in the evaporation source, controlling the evaporation rate of the UVP additive to 0.05Å / s~2Å / s, and preparing an ultraviolet protective layer containing the UVP additive with a thickness of 1nm~500nm.

[0024] Step 3, sequentially prepare a transparent conductive layer, an upper transport layer, a perovskite light-absorbing layer, a lower transport layer and an electrode layer on the ultraviolet protective layer prepared in step 2, u...

Embodiment 1

[0035] The first perovskite battery assembly with an ultraviolet protective layer of the present invention and an embodiment of its preparation method - evaporation method, comprising the following steps:

[0036] (11) Clean the base layer of a 5cm×5cm transparent glass plate sequentially with detergent, deionized water, acetone, and isopropanol for 30 minutes, and then use N 2 After drying, it was treated with UV O-zone for 10 minutes.

[0037] (12) Place the transparent glass base layer in a vacuum chamber with its back facing the evaporation source, place phenylbenzimidazole sulfonic acid in the evaporation boat, and use a vacuum pump to control the air pressure at 10 -8 Pa~10 5 Pa, control the evaporation rate at 0.05Å / s~2Å / s, and form a UV protective layer with a thickness of 5nm~20nm containing UVP additive phenyl benzimidazole sulfonic acid.

[0038] (13) Prepare an ITO transparent conductive layer on the UV protective layer prepared in (12) by magnetron sputtering. ...

Embodiment 2

[0046] The second perovskite battery component with an ultraviolet protective layer of the present invention and its preparation method embodiment - solution method, comprising the following steps:

[0047] (21) Clean the substrate of a 5cm×5cm transparent glass plate sequentially with detergent, deionized water, acetone, and isopropanol for 30 minutes, and then use N 2 After drying, it was treated with UV O-zone for 10 minutes.

[0048] (22) Dissolve 30 mg of phenylbenzimidazole sulfonic acid in 1 mL of ethanol, place the back of the transparent glass substrate upwards, deposit phenylbenzimidazole sulfonic acid on the back of the transparent glass substrate by scraping method, and anneal at 100°C for 5 minutes Forms a UV protective layer containing UVP additives.

[0049] (23) Prepare an ITO transparent conductive layer on the UV protective layer prepared in (22) by magnetron sputtering.

[0050] (24) Deposit 10 nm of PTAA on the transparent conductive layer by spin coating...

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Abstract

The invention relates to a perovskite battery assembly with an ultraviolet protection layer. The internal structure of the perovskite battery assembly comprises a transparent substrate layer, an ultraviolet protection layer, a transparent conductive layer, an upper transmission layer, a perovskite light absorption layer, a lower transmission layer and an electrode layer. The ultraviolet protectivelayer is arranged on the front surface or the back surface of the transparent substrate layer, wherein the ultraviolet protection layer comprises a UVP (ultraviolet protection) additive substance, and the UVP additive comprises at least one of a p-aminobenzoic acid derivative, a salicylate derivative, a benzophenone derivative, a benzylidene camphor derivative, a triazine derivative, a phenyl benzimidazole derivative, a phenyl benzotriazole derivative, an imidazoline derivative, a benzylidene malonate derivative and a 4, 4-diarylbutadiene derivative. The invention also discloses a preparationmethod of the perovskite battery assembly with the ultraviolet protection layer. According to the invention, the ion migration caused by the ultraviolet light is reduced or eliminated, and the stability, especially the illumination stability, of the perovskite solar cell is improved.

Description

technical field [0001] The invention relates to a perovskite cell component with an ultraviolet protective layer and a preparation method thereof. Background technique [0002] In recent years, perovskite solar cells have developed rapidly. The stability of perovskite solar cells is the last barrier to the commercialization of perovskite solar cells, especially under ultraviolet light, the intensification of ion migration inside perovskite, the intensification of photochemical reactions at the interface between perovskite and transport layer, etc. Factors lead to the decay of perovskite cells, and the stability of perovskite solar cells is poor. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a perovskite battery component with a UV protective layer and its preparation method, provide a perovskite battery structure with a UV protective layer, absorb part / all of the ultraviolet light, thereby reducing or eliminat...

Claims

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Application Information

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IPC IPC(8): H01L51/42H01L51/44H01L51/48
CPCH10K71/12H10K30/152H10K30/15H10K30/88Y02E10/549
Inventor 不公告发明人
Owner HANGZHOU MICROQUANTA SEMICON CO LTD
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