Title:
PEROVSKITE SOLAR CELL WITH LOCAL SEMI-OPEN PASSIVATION CONTACT STRUCTURE AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2024/027640
Kind Code:
A1
Abstract:
A perovskite solar cell with a local semi-open passivation contact structure, at least comprising a charge transport layer and a perovskite layer, an insulating or low-conductivity material layer being provided between the charge transport layer and the perovskite layer, and the insulating or low-conductivity material layer being a continuous or discontinuous island structure. By constituting the local semi-open passivation contact structure between the charge transport layer and the insulating or low-conductivity material layer, the charge transport layer and the perovskite layer have a reduced contact area therebetween and decreased non-radiative recombination at an interface while not affecting extraction and transport of carriers between the perovskite layer and the charge transport layer, thus avoiding the conflict between passivation and charge transport, which allows a high open-circuit voltage and fill factor, a unreduced current density and a passivation layer having a thickness settable within a large range; high temperature is not required during the preparation process and the characteristic of local contact will not affect the light absorption of the perovskite layer.
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Inventors:
XU JIXIAN (CN)
PENG WEI (CN)
PENG WEI (CN)
Application Number:
PCT/CN2023/110204
Publication Date:
February 08, 2024
Filing Date:
July 31, 2023
Export Citation:
Assignee:
UNIV SCIENCE & TECHNOLOGY CHINA (CN)
International Classes:
H10K30/50; H10K30/40; H10K30/88; H10K71/12
Foreign References:
| CN115884607A | 2023-03-31 | |||
| CN115881832A | 2023-03-31 | |||
| CN111640870A | 2020-09-08 | |||
| EP3945608A1 | 2022-02-02 | |||
| US20180286596A1 | 2018-10-04 |
Other References:
ZHANG LIJING; HöRANTNER MAXIMILIAN T.; ZHANG WEI; YAN QINGFENG; SNAITH HENRY J.: "Near-neutral-colored semitransparent perovskite films using a combination of colloidal self-assembly and plasma etching", SOLAR ENERGY MATERIALS AND SOLAR CELLS, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM., NL, vol. 160, 1 January 1900 (1900-01-01), NL , pages 193 - 202, XP029825849, ISSN: 0927-0248, DOI: 10.1016/j.solmat.2016.10.035
Attorney, Agent or Firm:
BEIJING GUOYUAN ZHONGKE INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)
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