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Method for inkjet printing an organic-inorganic perovskite

專利號(hào)
US11177440B2
公開(kāi)日期
2021-11-16
申請(qǐng)人
AALTO UNIVERSITY FOUNDATION; ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL); SOLARONIX S.A.（FI Helsinki CH Ecublens CH Aubonne）
發(fā)明人
Syed Ghufran Hashmi; Merve Ozkan; David Martineau; Xiong Li; Shaik Mohammed Zakeeruddin; Michael Graetzel
IPC分類
H01L51/42; H01L51/00
技術(shù)領(lǐng)域
perovskite,solar,precursor,in,ink,printing,cation,preferably,said,inkjet
地域： Helsinki

摘要

The present invention provides a method for depositing an organic-inorganic perovskite, the method comprising the step of depositing a perovskite precursor solution comprising one or more organic cation, wherein said precursor solution preferably deposited by inkjet printing. The method is particularly useful in the manufacture of perovskite solar cells. For depositing the perovskite, a perovskite precursor solution or ink is preferably used, which comprises an organic cation carrying an anchoring group, such as 5-ammonium valeric acid. Surprisingly, the presence of the latter compound renders the precursor solutions stable and suitable for inkjet printing.

說(shuō)明書(shū)

In an aspect, the invention provides a method for producing one or more selected from the group of: a solar cell, part of a solar cell, and a subassembly of a solar cell, the solar cell comprising a light harvester that is an organic-inorganic perovskite, wherein said method comprises the step of depositing said perovskite precursor solution in accordance with the invention.

In an aspect, the invention provides a method for producing one or more selected from the group of: a solar cell, part of a solar cell and a subassembly of a solar cell, the method comprising the step of depositing said perovskite precursor solution in accordance with the invention.

In an aspect, the invention provides a method for producing a solar cell comprising a plurality of layers, wherein one or more of said layers are deposited by printing techniques or other scalable techniques, and wherein at least part of the light harvester of said solar cell is deposited by way of the method of the invention.

In an aspect, the present invention provides a printing ink comprising a perovskite precursor solution.

In an aspect, the present invention provides a perovskite and/or a perovskite layer obtained in accordance with the present invention.

In an aspect, the present invention provides a printed organic-inorganic perovskite.

In an aspect, the present invention provides a solar cell comprising a perovskite obtained in accordance with the invention.

In an aspect, the present invention provides the use of a cation of formula (I) for producing a printable ink solution.

權(quán)利要求

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