公开(公告)号：US20220406958A1

公开(公告)日：2022-12-22

申请号：US17776715

申请日：2020-10-15

Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION

Inventor： Donghwan KIM ,  Hae-Seok LEE ,  Yoonmook KANG ,  Soohyun BAE ,  Sang-Won LEE ,  HyunJung PARK ,  Jae-Keun HWANG ,  Wonkyu LEE ,  Jiyeon HYUN ,  Solhee LEE

IPC: H01L31/18 ,  H01L31/0224 ,  H01L31/0687

Abstract: Disclosed are a solar cell including an upper cell includes an upper passivation layer disposed on an upper surface of a functional layer, a transparent electrode disposed on an upper surface of the upper passivation layer, an upper first charge transport layer disposed on an upper surface of the transparent electrode, an upper electrode disposed on the upper first of the transparent electrode to be adjacent to the upper surface charge transport layer, an upper second charge transport layer disposed on the upper surface of the functional layer to be spaced apart from the upper passivation layer, the transparent electrode, the upper first charge transport layer, and the upper electrode, and an upper absorption layer disposed on the upper passivation layer, the transparent electrode, the upper first charge transport layer, and the upper second charge transport layer.