Perovskite triple and quadruple junction solar cells

The project aims to develop triple and quadruple junction perovskite solar cells with 35-40% efficiency by innovating materials and architectures to minimize energy losses.

Subsidie
€ 2.999.926
2024

Projectdetails

Introduction

Metal halide perovskite solar cells have advanced from an intriguing scientific discovery into a viable option for future renewable energy. Record single and tandem junction perovskite solar cells already provide power efficiencies close to 26% and 30%, respectively. The aim of this project is to achieve the next target in photovoltaic energy conversion by developing perovskite triple and quadruple junction solar cells towards efficiencies of 35% to 40% using cheap solution-processable materials and affordable technologies.

Project Goals

This is a tremendous challenge that has not been attempted. It involves:

  1. Designing and making new materials and device architectures.
  2. Pushing every single step in the conversion process close to its intrinsic limits.
  3. Eliminating any electrical and optical losses close to perfection.

Key Focus Areas

The project will focus on solving important hurdles to reach this ambitious goal.

Material Design

New perovskites will be designed by compositional engineering to create thin-film materials with optical bandgaps in the range of 1.2 to 2.3 eV.

Defect Identification

Unique spectroscopic techniques will identify the nature and location of the defects, either in the bulk or at interfaces with the charge-selective contacts. These defects give rise to nonradiative recombination of electrons and holes, contributing to a loss of open-circuit voltage and limiting performance.

Loss Minimization

By adapting deposition conditions, using passivation strategies, and synthesizing new materials for the selective collection of electrons and holes, these losses are minimized to provide optimized sub-cells in the required bandgap regions.

Fabrication Process

Guided by optical modeling, monolithic triple and quadruple junction solar cells will be fabricated by stacking three or four different bandgap perovskite sub-cells in series using recombination junctions designed to provide near-zero electrical and optical losses.

Conclusion

This challenging but promising effort can result in solar cells that provide power conversion efficiencies between 35% and 40%.

Financiële details & Tijdlijn

Financiële details

Subsidiebedrag€ 2.999.926
Totale projectbegroting€ 2.999.926

Tijdlijn

Startdatum1-1-2024
Einddatum31-12-2028
Subsidiejaar2024

Partners & Locaties

Projectpartners

  • TECHNISCHE UNIVERSITEIT EINDHOVENpenvoerder

Land(en)

Netherlands

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