A kind of organic-inorganic hybrid solar cell and preparation method thereof

A solar cell and inorganic technology, applied in the field of solar cells, can solve the problems of low photoelectric conversion efficiency, loss, and low electron mobility of organic photovoltaic cells, and achieve the effects of improving photoelectric conversion efficiency, improving work function, and increasing contact area

Active Publication Date: 2020-11-03
义乌市牛尔科技有限公司
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Problems solved by technology

For organic materials, the electron mobility is generally low, and the loss is serious during the electron transport process, so the photoelectric conversion efficiency of organic photovoltaic cells is low.

Method used

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  • A kind of organic-inorganic hybrid solar cell and preparation method thereof

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preparation example Construction

[0019] A method for preparing an organic-inorganic hybrid solar cell proposed in a specific embodiment of the present invention comprises the following steps: (1) cleaning of the silicon substrate: ultrasonically cleaning the n-type silicon chip in acetone, ethanol, and deionized water for 10-30 Minutes, and blow dry with nitrogen, then place the dried n-type silicon wafer in concentrated sulfuric acid / hydrogen peroxide mixed solution, heat treatment at 100-120°C for 40-60 minutes, then rinse the n-type silicon wafer with deionized water, and finally use Hydrofluoric acid removes the natural silicon oxide layer on the surface of the n-type silicon wafer; (2) surface passivation treatment of the silicon substrate: the n-type silicon wafer obtained in step 1 is blown dry with nitrogen, and then immersed in saturated phosphorus pentachloride In the chlorobenzene solution, heat treatment at 110°C for 40-60 minutes, then take the n-type silicon chip out of the saturated phosphorus p...

Embodiment 1

[0023] A preparation method of an organic-inorganic hybrid solar cell, comprising the following steps: (1) cleaning of a silicon substrate: ultrasonically cleaning an n-type silicon chip in acetone, ethanol, and deionized water for 25 minutes in sequence, and blowing dry with nitrogen, and then The dried n-type silicon wafer is placed in a mixed solution of concentrated sulfuric acid / hydrogen peroxide, heat-treated at 110°C for 50 minutes, then rinsed with deionized water, and finally removes the surface of the n-type silicon wafer with hydrofluoric acid. Natural silicon oxide layer; (2) surface passivation treatment of silicon substrate: the n-type silicon chip obtained in step 1 is blown dry with nitrogen, then immersed in a chlorobenzene solution of saturated phosphorus pentachloride, and heat-treated at 110° C. for 50 minutes, Next, the n-type silicon chip is taken out from the chlorobenzene solution of saturated phosphorus pentachloride and cleaned in chlorobenzene and tet...

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Abstract

The invention relates to an organic-inorganic hybrid solar cell and a preparation method thereof, which are used for improving the photoelectric conversion efficiency of the organic-inorganic hybrid solar cell. The manufacturing method of organic-inorganic hybrid solar cells includes: cleaning of silicon substrate; surface passivation treatment of silicon substrate; preparation of silicon nanowire / PEDOT:PSS composite film; PEDOT:PSS / silver nanowire / black phosphorene composite conductive layer preparation of the back interface layer; preparation of the front silver grid electrode; preparation of the back electrode.

Description

technical field [0001] The invention relates to the technical field of solar cells, in particular to an organic-inorganic hybrid solar cell and a preparation method thereof. Background technique [0002] Inorganic solar cells cannot be used on a large scale because of their high cost. Organic solar cells are expected to reduce the production cost of solar cells due to their advantages such as cheap materials, low annealing temperature, and simple fabrication process. However, the efficiency of organic solar cells is much lower than that of inorganic solar cells. Therefore, organic-inorganic hybrid solar cells based on inorganic and organic semiconductor materials are increasingly favored by people, which provides a production technology that can simplify manufacturing steps and reduce costs. Compared with organic materials, inorganic materials have the biggest advantage of high carrier mobility, which means that the material has a long mean free path and can effectively red...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01L51/42H01L51/44H01L51/48
CPCH10K71/12H10K30/10H10K30/352H10K30/81Y02E10/549
Inventor 赵红英
Owner 义乌市牛尔科技有限公司
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