Engineering interlayer hybridization in van der Waals bilayers

Barré, Elyse; Dandu, Medha; Kundu, Sudipta; Sood, Aditya; da Jornada, Felipe H.; Raja, Archana

doi:10.1038/s41578-024-00666-1

Nat Rev Mater

2024

DOI: 10.1038/s41578-024-00666-1

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Engineering interlayer hybridization in van der Waals bilayers

Elyse Barré,

Medha Dandu,

Sudipta Kundu

et al.

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Cited by 10 publications

References 160 publications

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Covalent Organic Framework Encapsulating Layered Oxide Perovskite for Efficient Photosynthesis of H₂O₂

Teng,

Zhao,

et al. 2024

Advanced Energy Materials

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Driving efficient artificial photosynthesis of H2O2 is highly desirable in both academic and industrial fields. Here, a new core–shell Bi3TiNbO9@C4N heterojunction is constructed for efficient photocatalytic H2O2 production by in situ encapsulating an ultrathin layer of covalent organic framework material (C4N) on Aurivillius‐type Bi3TiNbO9 microsheets. The porous C4N layer is found to enhance visible‐light absorption ability and facilitate the adsorption and activation of the reactants and intermediates. The hybrid heterojunction follows an S‐scheme charge transfer with the assistance of a strong internal electric field (IEF), which promotes the spatial separation of photogenerated carriers effectively and maintains their strong redox abilities. As a result, the optimized Bi3TiNbO9@C4N unveils a high H2O2 yield rate of 1.25(2) mmol g−1 h−1 in the absence of sacrificial agents and cocatalyst, 10.9 and 3.5 folds higher than those of pristine Bi3TiNbO9 and C4N catalysts, respectively. This work provides an in situ encapsulating strategy to decorate covalent organic frameworks (COFs) on oxide perovskites for artificial photosynthesis of H2O2, which may stimulate the intensive investigation interests of functional materials/COFs heterojunction materials for various photocatalysis applications.

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Covalent Organic Framework Encapsulating Layered Oxide Perovskite for Efficient Photosynthesis of H₂O₂

Teng,

Zhao,

et al. 2024

Advanced Energy Materials

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Antimony Component Schottky Nanoheterojunctions as Ultrasound‐Heightened Pyroptosis Initiators for Sonocatalytic Immunotherapy

Nie,

Yang,

Sun

et al. 2024

Angewandte Chemie

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Sonocatalytic therapy (SCT) holds promise due to its exceptional penetration depth; however, the rapid recombination of electron‐hole (e−‐h+) pairs and the complex tumor microenvironment (TME) impede its broader application. Herein, we discovered that antimony (Sb)‐based nanomaterials induced pyroptosis in cancer cells. Therefore, a Schottky heterojunction containing a Sb component (Sb2Se3@Pt) was effectively designed and constructed via in‐situ growth of platinum (Pt) nanoparticles (NPs) on a Sb2Se3 semiconductor with narrow bandgaps, which were utilized as US‐heightened pyroptosis initiators to induce highly effective pyroptosis in cancer cells to boost SCT‐immunotherapy. The biological effects of the Sb2Se3@Pt nanoheterojunction itself combined with the sonocatalytic amplification of oxidative stress significantly induced Caspase‐1/GSDMD‐dependent pyroptosis in cancer cells. Therefore, SCT treatment with Sb2Se3@Pt not only effectively restrained tumor proliferation but also induced potent immune memory responses and suppressed tumor recurrence. Furthermore, the integration of this innovative strategy with immune checkpoint blockade (ICB) treatment elicited a systemic immune response, effectively augmenting therapeutic effects and impeding the growth of abscopal tumors. Overall, this study provides further opportunities to explore pyroptosis‐mediated SCT‐immunotherapy.

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Antimony Component Schottky Nanoheterojunctions as Ultrasound‐Heightened Pyroptosis Initiators for Sonocatalytic Immunotherapy

Nie,

Yang,

Sun

et al. 2024

Angew Chem Int Ed

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Engineering interlayer hybridization in van der Waals bilayers

Cited by 10 publications

References 160 publications

Covalent Organic Framework Encapsulating Layered Oxide Perovskite for Efficient Photosynthesis of H₂O₂

Covalent Organic Framework Encapsulating Layered Oxide Perovskite for Efficient Photosynthesis of H₂O₂

Antimony Component Schottky Nanoheterojunctions as Ultrasound‐Heightened Pyroptosis Initiators for Sonocatalytic Immunotherapy

Antimony Component Schottky Nanoheterojunctions as Ultrasound‐Heightened Pyroptosis Initiators for Sonocatalytic Immunotherapy

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Engineering interlayer hybridization in van der Waals bilayers

Cited by 10 publications

References 160 publications

Covalent Organic Framework Encapsulating Layered Oxide Perovskite for Efficient Photosynthesis of H2O2

Covalent Organic Framework Encapsulating Layered Oxide Perovskite for Efficient Photosynthesis of H2O2

Antimony Component Schottky Nanoheterojunctions as Ultrasound‐Heightened Pyroptosis Initiators for Sonocatalytic Immunotherapy

Antimony Component Schottky Nanoheterojunctions as Ultrasound‐Heightened Pyroptosis Initiators for Sonocatalytic Immunotherapy

Contact Info

Product

Resources

About

Covalent Organic Framework Encapsulating Layered Oxide Perovskite for Efficient Photosynthesis of H₂O₂

Covalent Organic Framework Encapsulating Layered Oxide Perovskite for Efficient Photosynthesis of H₂O₂