Phosphorhaltiger Passivator, Perowskitsolarzelle, Photovoltaikmodul, Photovoltaikanlage und Elektrische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4722223

Anmeldetag

9. April 2024

Veröffentlichung

19. Dezember 2024

Rechtsraum

EP

IPC

C07F9/54, H10K30/88, H10K30/50

Abstract

A phosphorus-containing passivator, a perovskite solar cell, a photovoltaic module, a photovoltaic system, and an electric apparatus are provided. The phosphorus-containing passivator includes an ionic compound, the ionic compound includes a cationic group, and the cationic group has a structure represented by formula (I): A-L-B (I); where A represents an organophosphorus group with lone pair electrons, B represents a positively charged organophosphorus salt group, and L represents a linking group between the organophosphorus group and the organophosphorus salt group. The lone pair electrons of the organophosphorus group can form strong P-Pb coordination bonds with under-coordinated lead ions in the bulk phase and/or at the upper and lower interfaces of a perovskite light-absorbing layer, passivating low-coordinated lead ion defects; the organophosphorus salt group can form low-dimensional perovskite at the upper and lower interfaces of a perovskite layer, passivating the interfaces of the perovskite layer and suppressing ion migration; and through the synergistic effect of the organophosphorus group and the organophosphorus salt group, the optoelectronic performance and stability of perovskite solar cells can be improved.

Anmelder

Firmen

Contemporary Amperex Future Energy Research Institute (Shanghai) Limited
Contemporary Amperex Technology Co., Limited

Land

🇨🇳 China

Fachgebiete