What question did this study set out to answer?

The aim is to develop a heterostructure that enhances hydrogen peroxide production through improved charge separation and light absorption.

February 19, 2026Journal of Materials Chemistry A0 citations

Crafting double perovskites/hollow conjugated microporous polymer heterostructure for dual-channel H 2 O 2 production

JYJian Hong Yi JZJun‐Jie Zhu DLDawei Li

Key Points

The aim is to develop a heterostructure that enhances hydrogen peroxide production through improved charge separation and light absorption.
Embedded Cs2AgBiBr6 perovskites in hollow scaffold to form a heterojunction.
Conducted experiments to measure dual-channel hydrogen peroxide production via ORR and WOR.
Analyzed charge separation and light absorption efficiency.
Achieved a hydrogen peroxide production rate of 3500 µmol g−1 h−1.
Reported an AQE (apparent quantum efficiency) of 9.66%.

Abstract

Cs 2 AgBiBr 6 perovskites were embedded in a hollow scaffold to form a heterojunction, which enhances charge separation and light absorption, enabling dual-channel H 2 O 2 production via ORR and WOR. It achieves a rate of 3500 µmol g −1 h −1 and 9.66% AQE.

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