A kind of perovskite type solar cell and preparation method thereof
A solar cell and perovskite-type technology, applied in circuits, photovoltaic power generation, electrical components, etc., can solve problems such as electron mobility and electrical conductivity decline, and achieve fast photoelectric response, large grain size, and film surface coverage high effect
Active Publication Date: 2022-06-03
广东脉络能源科技有限公司
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Problems solved by technology
The development of these fullerene derivatives has achieved the regulation of the fullerene energy level to some extent, but on the other hand, its electron mobility and electrical conductivity have been reduced to varying degrees.
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Abstract
The present invention relates to a perovskite type solar cell and a preparation method thereof. The perovskite solar cell comprises a transparent conductive substrate, a hole transport layer, a perovskite layer, an electron transport layer and an electrode stacked in sequence, wherein the electron The transport layer comprises a fullerene layer doped with a dopant. In the present invention, by doping the fullerene electron transport layer, the coordination reaction between the dopant and the fullerene can be realized, which can not only change the energy level position of the fullerene, but also passivate the surface defects of the perovskite absorption layer. , reducing the recombination, the energy conversion efficiency of the prepared perovskite solar cells can be significantly improved.
Description
A kind of perovskite solar cell and preparation method thereof technical field The present invention relates to thin film solar cell device field, be specifically related to a kind of perovskite type solar cell and preparation method thereof Law. Background technique In recent years, the research of perovskite solar cells has received extensive attention, and its energy conversion efficiency is A rapid improvement has been achieved in the internal environment, which is not only due to the excellent optoelectronic properties of the perovskite material itself, but also to the Optimization at the functional level of load extraction and transmission. Therefore, in order to fully exploit the potential of perovskite materials, obtain higher efficiency For solar cells, it is not only necessary to improve the film preparation method, improve the crystalline quality of the film, and enhance the interface passivation, but also need to select the appropriate The charge trans...
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IPC IPC(8): H01L51/42H01L51/46H01L51/48
CPCH10K71/12H10K85/211H10K30/15H10K2102/00Y02E10/549
Inventor 麦耀华刘冲张翠苓
Owner 广东脉络能源科技有限公司