HES-PSC-FCTL | High efficiency and stability perovskite solar cells based on the functionalized charge transport layers

Summary
During the past years, photovoltaic technology has shown its greatest potential to be scaled up to meet future energy requirement. Perovskite solar cell (PSC) as a promising next-generation photovoltaic technology has attracted great attention, but its performance is still limited by charge carrier collection efficiency and long-time stability.
In this project, the applicant aims to employ novel all-inorganic charge transport layers to fabricate high efficiency and stable inverted planar perovskite solar cells (power conversion efficiency > 23%), based on a functionalized charge transport layer- a Lanthanum(La)-doped BaSnO3(LBSO)/graphene bi-layer. LBSO has a cubic perovskite structure which provides an opportunity to further improve the quality of the interface between the electron transport layer and the perovskite film in conjugation with atmosphere annealing process, which we term “LBSO-template induced perovskite re-nucleation and crystal growth”. A compact conductive graphene layer inserted between the LBSO layer and the metal contact can act as a spacer layer to block the mobile ion and moisture penetration. That will not only improve the device stability (maintain initial efficiency > 90% after 1000 h illumination), but also give a chance to reveal the device degradation mechanism in depth.deeply.
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More information & hyperlinks
Web resources: https://cordis.europa.eu/project/id/839136
Start date: 01-08-2019
End date: 31-07-2021
Total budget - Public funding: 224 933,76 Euro - 224 933,00 Euro
Cordis data

Original description

During the past years, photovoltaic technology has shown its greatest potential to be scaled up to meet future energy requirement. Perovskite solar cell (PSC) as a promising next-generation photovoltaic technology has attracted great attention, but its performance is still limited by charge carrier collection efficiency and long-time stability.
In this project, the applicant aims to employ novel all-inorganic charge transport layers to fabricate high efficiency and stable inverted planar perovskite solar cells (power conversion efficiency > 23%), based on a functionalized charge transport layer- a Lanthanum(La)-doped BaSnO3(LBSO)/graphene bi-layer. LBSO has a cubic perovskite structure which provides an opportunity to further improve the quality of the interface between the electron transport layer and the perovskite film in conjugation with atmosphere annealing process, which we term “LBSO-template induced perovskite re-nucleation and crystal growth”. A compact conductive graphene layer inserted between the LBSO layer and the metal contact can act as a spacer layer to block the mobile ion and moisture penetration. That will not only improve the device stability (maintain initial efficiency > 90% after 1000 h illumination), but also give a chance to reveal the device degradation mechanism in depth.deeply.

Status

CLOSED

Call topic

MSCA-IF-2018

Update Date

28-04-2024
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Horizon 2020
H2020-EU.1. EXCELLENT SCIENCE
H2020-EU.1.3. EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions (MSCA)
H2020-EU.1.3.2. Nurturing excellence by means of cross-border and cross-sector mobility
H2020-MSCA-IF-2018
MSCA-IF-2018