Fotovoltaische Vorrichtung und Verfahren zu Ihrer Herstellung

Details

Veröffentlichungs-Nr.

EP4589664

Aktenzeichen

EP24153144

Anmeldetag

22. Januar 2024

Veröffentlichung

23. Juli 2025

Rechtsraum

EP

IPC

H10F10/166H10F77/20

Abstract

Photovoltaic device comprising: - a silicon-based substrate (1); - a tunneling layer (2) provided upon said silicon-based substrate (1); - a passivating layer (3) provided upon said tunneling layer (2); - an electrical contact structure (12, 5, 9) situated upon said passivating layer (3); - a dielectric layer (4) provided upon said passivating layer (3); According to the invention, said electrical contact structure (12, 5, 9) comprises: - a patterned metal seed layer (12) provided upon said passivating layer (3) and defining seeded zones (14); - a metal particle paste (5) provided exclusively upon said patterned metal seed layer (12) in said seeded zones (14), said dielectric layer (4) extending over said metal particle paste (5) discontinuously; and - a metallic plating layer (9) provided upon said dielectric layer (4) in said seeded zones (14) and in electrical connection with said metal particle paste (5).

Anmelder

Firma

CSEM Centre Suisse d'Electronique et de Microtechnique SA - Recherche et Développement

Land

🇨🇭 Schweiz

Fachgebiete