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Signal

Oxford PV and IPVF/TU Delft advance perovskite-silicon tandem solar efficiencies

Evidence first: scan the strongest sources, then decide whether to go deeper.

Published 2026-06-18 07:52 UTCUpdated 2026-06-18 13:25 UTC
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Evidence trail (top sources)
top sources (2 domains)domains are deduped. counts indicate coverage, not truth.
2 top sources shown
limited source diversity in top sources
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Overview

Oxford PV has achieved a 25.6% power conversion efficiency for a perovskite-silicon tandem solar module using a shingled design developed with Fraunhofer ISE, enhancing energy yield and reducing resistive losses.

Entities
Oxford PVFraunhofer Institute for Solar Energy SystemsInstitut Photovoltaïque d’Île-de-FranceDelft University of TechnologyGilles Goaer
Score total
0.96
Momentum 24h
3
Posts
3
Origins
2
Source types
1
Duplicate ratio
33%
Why now
  • Oxford PV and Fraunhofer ISE have successfully combined complementary technologies for practical module improvements.
  • IPVF and TU Delft’s 31% efficient cell uses processes compatible with industrial scale-up.
  • These breakthroughs respond to growing demand for cost-effective, high-performance solar solutions.
Why it matters
  • Higher efficiency tandem solar cells reduce the cost per watt of solar power generation.
  • Improved module designs enhance energy yield and resilience, aiding grid integration.
  • Advances in scalable manufacturing bring next-generation photovoltaics closer to commercial deployment.
LLM analysis
Topic mix: lowPromo risk: lowSource quality: high
Recurring claims
  • Oxford PV achieved 25.6% efficiency for a perovskite-silicon tandem module using Fraunhofer ISE’s shingled design, reducing resistive losses and improving partial shading resilience.
  • IPVF and TU Delft reached 31% efficiency on a 4 cm² two-terminal perovskite-silicon tandem solar cell by integrating nanotextured silicon heterojunction bottom cells and optimizing perovskite coating.
How sources frame it
  • Oxford PV Spokesperson: supportive
  • Gilles Goaer, CTO At IPVF: supportive
Consolidated recent advances in perovskite-silicon tandem solar cells highlighting efficiency gains and scalable manufacturing.
All evidence
All evidence
Oxford PV achieves 25.6% efficiency for perovskite-silicon tandem module based on shingled design
pv magazine International · pv-magazine.com · 2026-06-18 09:53 UTC
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