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​Graphene-engineered interfaces enable stable, high-efficiency flexible perovskite solar cells 

​Graphene-engineered interfaces enable stable, high-efficiency flexible perovskite solar cells 

Researchers from India’s CSIR-Central Scientific Instruments Organization have reported a systematic study on the role of graphene-based interfacial engineering in flexible all-inorganic perovskite solar cells.

The team incorporated reduced graphene oxide (rGO) into SnO₂ and TiO₂ electron transport layers, forming graphene-modified metal-oxide interfaces that enhance interfacial conductivity and suppress trap-assisted recombination. This approach also mitigates hysteresis and improves mechanical resilience, contributing to a power conversion efficiency of 19.2% and retention of over 90% efficiency after 1,000 bending cycles at a 5 mm radius.

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Researchers from India’s CSIR-Central Scientific Instruments Organization have reported a systematic study on the role of graphene-based interfacial engineering in flexible all-inorganic perovskite solar cells.

The team incorporated reduced graphene oxide (rGO) into SnO₂ and TiO₂ electron transport layers, forming graphene-modified metal-oxide interfaces that enhance interfacial conductivity and suppress trap-assisted recombination. This approach also mitigates hysteresis and improves mechanical resilience, contributing to a power conversion efficiency of 19.2% and retention of over 90% efficiency after 1,000 bending cycles at a 5 mm radius. 

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