Preparation method of organic-inorganic perovskite solar battery

A technology of solar cells and inorganic calcium, which can be used in circuits, photovoltaic power generation, electrical components, etc., and can solve problems such as high cost, uncontrollable surface morphology, and limited development.

Inactive Publication Date: 2015-04-15
EAST CHINA NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This method has been successful to a certain extent, avoiding the formation of secondary phases, but its development is limited by factors such as uncontrollable surface morphology and high cost.

Method used

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  • Preparation method of organic-inorganic perovskite solar battery
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  • Preparation method of organic-inorganic perovskite solar battery

Examples

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Embodiment 1

[0050] Example 1 Preparation of planar structure organic-inorganic perovskite solar cells

[0051] (1) Processing and cleaning of AZO glass substrates: Cut the glass substrates into appropriate sizes, then place the glass substrates in acetone, alcohol, and deionized water for 15 minutes, then dry them with pure nitrogen, and immediately use ultraviolet ozone to clean the surface Treat for 12 minutes; (2) Etching of AZO transparent conductive oxide: use pulse laser to etch the pretreated AZO transparent conductive film, then place it in acetone, alcohol, and deionized water for ultrasonic cleaning for 15 minutes, and use Pure nitrogen is blown dry; (3) the preparation of n-type ZnO semiconductor layer: utilize magnetron sputtering method to prepare ZnO thin film on the AZO conductive layer that etches, and magnetron sputtering preparation process is: adopt purity to be 99.99% Zinc oxide ceramic target, the vacuum degree of the vacuum chamber is 1×10 -4 Pa, argon flow rate is ...

Embodiment 2

[0052] Example 2 Preparation of planar structure organic-inorganic perovskite solar cells

[0053] (1) Processing and cleaning of FTO glass substrates: Cut the glass substrates into appropriate sizes, then place the glass substrates in acetone, alcohol, and deionized water for 15 minutes for ultrasonic cleaning, then dry them with pure nitrogen, and immediately use ultraviolet ozone to surface Treat for 12 minutes; (2) Etching of transparent conductive oxide: use 0.1M dilute hydrochloric acid and zinc powder to etch the pretreated FTO transparent conductive film, and then place it in acetone, alcohol, deionized water and ultrasonic Cleaning for 15 minutes, and drying with pure nitrogen; (3) Depositing strontium titanate as an n-type metal oxide semiconductor layer on the pretreated and etched FTO by using a pulsed laser. The preparation process of its strontium titanate n-type layer is as follows: using 99.99% strontium titanate ceramic target, using pulsed laser deposition te...

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Abstract

The invention discloses a preparation method of an organic-inorganic hybridization perovskite solar battery in a plane structure. The preparation method comprises the steps of selection and pretreatment of a transparent conduction substrate, magnetron sputtering of an n-type metal oxide layer or pulse laser preparation, preparation of an organic metal perovskite structure light absorption layer by a normal-pressure gas phase assistance solution method, preparation of a hole conduction layer structure, preparation of a metal alloy back electrode and the like. The method overcomes the problems of discontinuity, insufficient density, pinholes and the like of an n-type metal oxide film, an intermediate phase, pinholes, impure phases and the like of hydration organic metal halogen in a perovskite light absorption layer material, metal particle aggregation of the pure metal back electrode, layering of a hole layer and the like. The solar battery prepared by the method is high in efficiency, low in price, simple in technology, good in repeatability and suitable for mass production.

Description

technical field [0001] The invention belongs to the technical field of solar cells and their preparation, and relates to a method for preparing a perovskite solar cell based on a planar structure, and a method for preparing an n-type metal oxide semiconductor layer by using a magnetron sputtering method or a pulsed laser method. A method for preparing a light-absorbing layer by a normal-pressure gas-phase assisted solution method, and a method for preparing a metal alloy electrode by an evaporation method. Background technique [0002] The pace of human exploration of low-cost, high-efficiency photoelectric conversion photovoltaic devices has never stopped. Especially in this century, energy shortage and environmental pollution have increasingly restricted the sustainable development of society and economy. As an important clean energy technology, solar photovoltaic power generation has entered the human energy structure and has become an important supplementary part of basi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01L51/48H01L51/42C23C14/35C23C14/28C23C14/08
CPCC23C14/08C23C14/28C23C14/35H10K30/451H10K30/81Y02E10/549
Inventor 黄素梅李俊杰罗玉丹程锐张晨曦
Owner EAST CHINA NORMAL UNIV
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