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Perovskite photovoltaic module and preparation method thereof

A photovoltaic module and perovskite technology, which is applied in the field of perovskite photovoltaic module preparation, can solve the problems that affect the side protection effect of perovskite, the area of ​​the photoactive area becomes smaller, and the volume expands or shrinks, so as to facilitate large-scale production , Inhibit ion migration and reduce damage

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

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Problems solved by technology

However, the dispensing method used in this patent to coat the isolation layer has many defects in practical applications. For example, the dispensing operation has a long exposure time in the air, and the perovskite is severely eroded by water and oxygen; The large cutting interval area reduces the area of ​​the photoactive area; the high-energy ultraviolet light used in glue curing will cause the degradation of perovskite; after the glue is cured, there will be volume expansion or contraction, which will affect the protection effect on the side of the perovskite

Method used

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  • Perovskite photovoltaic module and preparation method thereof
  • Perovskite photovoltaic module and preparation method thereof
  • Perovskite photovoltaic module and preparation method thereof

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Embodiment 1

[0030] Please refer to figure 1 As shown, the first preferred embodiment of the perovskite photovoltaic module of the present invention, its internal structure sequentially includes a substrate 1, a conductive material layer 2, a first carrier transport layer 3, a perovskite layer 4, The second carrier transport layer 5 and the top electrode layer 7 are further provided with a barrier layer 6 between the second carrier transport layer 5 and the top electrode layer 7 .

[0031] The conductive material layer 2 is provided with n−1 cutting line grooves P1 , and the cutting line grooves P1 divide the conductive material layer 2 . The cutting line groove P1 is filled with the same preparation material as that of the first carrier transport layer 3 and electrically connected with the first carrier transport layer 3 . The width of the cutting line groove P1 is 50 nm to 200 μm, and the distance between two adjacent cutting line grooves P1 is 1 mm to 30 mm.

[0032] On the top electr...

Embodiment 2

[0040] Please refer to figure 2 As shown, the second preferred embodiment of the perovskite photovoltaic module of the present invention, its internal structure sequentially includes a substrate 1, a conductive material layer 2, a first carrier transport layer 3, a perovskite layer 4, The second carrier transport layer 5 and the top electrode layer 7 are further provided with a barrier layer 6 between the second carrier transport layer 5 and the top electrode layer 7 .

[0041] The conductive material layer 2 is provided with n−1 cutting line grooves P1 , and the cutting line grooves P1 divide the conductive material layer 2 . The cutting line groove P1 is filled with the same preparation material as that of the first carrier transport layer 3 and electrically connected to the first carrier transport layer 3 .

[0042] On the top electrode layer 7 are provided n−1 cutting line grooves P4, each cutting line groove P4 is located on the side of the corresponding cutting line gr...

Embodiment 3

[0045] please refer again figure 1 Shown, the first embodiment of the preparation method of the perovskite photovoltaic module of embodiment 1 of the present invention comprises the following steps:

[0046] Step 11: Carry out scribing (laser cutting) on ​​the conductive glass substrate 1 deposited with the ITO conductive material layer 2, etch and remove the ITO with a width of 100 μm to obtain the cutting line groove P1. Then the conductive glass substrate 1 is cleaned, blown dry with nitrogen, and treated with ultraviolet and ozone.

[0047] The scribing method includes laser cutting and physical scribing and other processing methods, and the laser cutting method is adopted in this step. The same below.

[0048] Step 12, depositing a hole transport material NiOx with a thickness of 20 nm on the conductive substrate 1 as the first carrier transport layer 3 (hole transport layer). After drying, the slit is continuously coated with the prepared perovskite precursor solution...

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Abstract

The invention relates to a perovskite photovoltaic module. The perovskite solar cell comprises a substrate, a conductive material layer, a first carrier transport layer, a perovskite layer, a second carrier transport layer and a top electrode layer, a cutting line groove P1 is formed in the conductive material layer; the cutting line groove P1 cuts off the conductive material layer; the cutting line groove P1 is filled with a preparation material which is the same as that of the first carrier transport layer; cutting wire grooves P4 are formed in the top electrode layer, the bottom of each cutting wire groove P4 is exposed out of the conductive material layer, 2D perovskite protection layers are arranged on the side faces of the perovskite layers on the two sides of each cutting wire groove P4 respectively to shield the perovskite layers, and one side of each cutting wire groove P4 is filled with a preparation material the same as that of the top electrode layer and is in conductive connection with the top electrode layer. The invention further discloses a preparation method of the perovskite photovoltaic module. The 2D perovskite protection layer is introduced into the exposed surface of the cut perovskite thin film layer for protection, so that perovskite active substances are prevented from being eroded by water and oxygen and chemical reaction of metal-halogen ions is avoided, and the stability of the photovoltaic module is improved.

Description

technical field [0001] The invention belongs to the technical field of preparation of perovskite photovoltaic components, in particular to a perovskite photovoltaic component and a preparation method thereof. Background technique [0002] Perovskites are a class of ABX 3 A general term for materials with a crystal structure. In the organic halide perovskite structure, A is usually a cation such as methylammonium (MA) or formamidine (FA), B is a metal cation such as lead or tin, and X is an anion such as chlorine, bromine or iodine. Physical perovskites have excellent semiconductor properties, and can realize high-quality conversion between light energy and electrical energy, so they can be made into photovoltaic cells, light-emitting diodes, detectors, etc. [0003] In the process of manufacturing large-scale optoelectronic devices in the industry, the active material is usually isolated into several individual small parts, and then connected in series, so as to improve th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/42H01L51/44H01L51/48
CPCH10K30/15H10K30/151H10K30/10H10K30/152H10K30/82Y02E10/549Y02P70/50
Inventor 不公告发明人
Owner HANGZHOU MICROQUANTA SEMICON CO LTD