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Hole transporting layers (HTLs), strategically positioned between electrode and light absorber, play a pivotal role in shaping charge extraction and transport in organic solar cells (OSCs). However, the commonly used poly(3,4‐ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) HTL, with its hygroscopic and acidic nature, undermines the operational durability of OSC devices. Herein, an environmentally...
The immunosuppressive characteristics and acquired immune resistance can restrain the therapy‐initiated anti‐tumor immunity. In this work, an antibody free programmed death receptor ligand 1 (PD‐L1) downregulator (designated as CeSe) is fabricated to boost photodynamic activated immunotherapy through cyclin‐dependent kinase 5 (CDK5) inhibition. Among which, FDA approved photosensitizer of chlorin...
Negative therapeutic feedback of inflammation would extensively attenuate the antitumor effect of photodynamic therapy (PDT). In this work, tumor homing chimeric peptide rhomboids (designated as NP‐Mel) are fabricated to improve photodynamic performance by inhibiting PDT‐upregulated cyclooxygenase‐2 (COX‐2). The hydrophobic photosensitizer of protoporphyrin IX (PpIX) and palmitic acid are conjugated...
The unique properties of high entropy alloy (HEA) catalysts, particularly their severe lattice distortion and the synergistic effect of multiple components, endow them with exceptional multifunctional catalytic performance. Herein, it is revealed for the first time, that the ultrasmall PtRhNiFeCu HEA nanoparticles catalyst shows outstanding catalytic activity for both hydrogen evolution reaction (HER)...
Type‐I photosensitizers (PSs) can generate free radical anions with a broad diffusion range and powerful damage effect, rendering them highly desirable in various areas. However, it still remains a recognized challenge to develop pure Type‐I PSs due to the inefficiency in producing oxygen radical anions through the collision of PSs with nearby substrates. In addition, regulating the generation of...
A systemic treatment strategy is urgently demanded to suppress the rapid growth and easy metastasis characteristics of breast cancer. In this work, a chimeric peptide‐engineered self‐delivery nanomedicine (designated as ChiP‐CeR) for photodynamic‐triggered breast cancer immunotherapy by macrophage polarization. Among these, ChiP‐CeR is composed of the photosensitizer of chlorine e6 (Ce6) and the TLR7/8...
Main group element‐based materials are emerging catalysts for ammonia (NH3) production via a sustainable electrochemical nitrogen reduction reaction (N2RR) pathway under ambient conditions. However, their N2RR performances are less explored due to the limited active behavior and unclear mechanism. Here, an aluminum‐based defective metal–organic framework (MOF), aluminum‐fumarate (Al‐Fum), is investigated...
Stimulating electron transitions and promoting exciton dissociation are crucial for improving the photocatalytic performance of polymeric carbon nitride (CN) yet still challenging. Herein, a novel CN with C dopant and asymmetric structure (CC‐UCN2) is ingeniously synthesized. The obtained CC‐UCN2 not only reinforces the intrinsic π→π* electron transitions, but also successfully awakens additional...
Sustained oral uncoupler 2,4‐dinitrophenol (DNP) administration exerts prominent anti‐obesity effects, but the adipose tissue off‐target disadvantage leads to systemic adverse effects. A novel non‐cardiotoxicity DNP delivery method using a biocompatible microneedles patch containing the amphiphilic tetradecanoic acid‐DNP ester (TADNP) is described, which is synthesized via esterification on the phenolic...
Increasing the yield of reactive oxygen species (ROS) to enhance oxidative stress in cells is an eternal goal in cancer therapy. In this study, BiVO4 artificial nanozyme is developed with adjustable vanadium vacancy for ultrasound (US) enhanced piezoelectric/sonodynamic therapy. Under US excitation, the vanadium vacancy‐rich BiVO4 nanosheets (abbreviated Vv‐r BiVO4 NSs) facilitate the generation of...
An electrocatalytic methanol oxidation reaction (MOR) is proposed to replace oxygen evolution reaction (OER) in water electrolysis owing to the favorable thermodynamics of MOR than OER. However, there is still a competition between the MOR and the OER when the applied potential is in the conventional OER zone. How to inhibit OER while maintaining efficient MOR is an open and challenging question,...
Lithium‐rich layered oxides (LLOs) are concerned as promising cathode materials for next‐generation lithium‐ion batteries due to their high reversible capacities (larger than 250 mA h g−1). However, LLOs suffer from critical drawbacks, such as irreversible oxygen release, structural degradation, and poor reaction kinetics, which hinder their commercialization. Herein, the local electronic structure...
Nowadays, Fenton chemistry‐based chemodynamic therapy (CDT) is an emerging approach to killing tumor cells by converting endogenous H2O2 into cytotoxic hydroxyl radicals (·OH). However, the elimination of ·OH by intracellular overexpressed glutathione (GSH) results in unsatisfactory antitumor efficiency. In addition, the single mode of consuming GSH and undesirable drug loading efficiency cannot guarantee...
The fluid‐filled cystic cavity sealed by a dense scar developed following traumatic spinal cord injury (SCI) has been a major obstacle to neural regeneration and functional recovery. Here the transected lesion is bridged using a functional self‐assembling peptide (F‐SAP) hydrogel loaded with membrane‐permeable intracellular sigma peptide (ISP) and intracellular LAR peptide (ILP), targeted at perturbing...
Artificial assembly of organic–inorganic heterostructures for electrochemical energy storage at the molecular level is promising, but remains a great challenge. Here, a covalently interlayer‐confined organic (polyaniline [PANI])–inorganic (MoS2) hybrid with a dual charge‐storage mechanism is developed for boosting the reaction kinetics of supercapacitors. Systematic characterizations reveal that PANI...
Thrombotic diseases have a high rate of mortality and disability, and pose a serious threat to global public health. Currently, most thrombolytic drugs especially protein drugs have a short blood‐circulation time, resulting in low thrombolytic efficiency. Therefore, a platelet membrane (Pm) cloaked nanotube (NT‐RGD/Pm) biomimetic delivery system with enhanced thrombolytic efficiency is designed. Nanotubes...
Aqueous Potassium Ion Supercapacitors
A covalently interlayer‐confined polyaniline–MoS2 hybrid with a dual charge storage mechanism is developed for supercapacitors. In the hybrid, confined polyaniline induces a favorable phase transition, facilitates cross‐layer electron transfer, and decreases K+ diffusion barrier, thus enabling high electrochemical performance. More details can be found in article...
Platelet Membrane Cloaked Nanotubes
In article number 2205260, Fazheng Ren, Yuan Li, and co‐workers developed nature‐inspired platelet membrane‐cloaked nanotubes conjugated with targeting arginine glycine‐aspartic peptide and thrombolytic agent urokinase to achieve clot‐targeting and penetrating. This biomimetic carrier showed a promising effect in improving the thrombolytic efficiency in vitro and...
Due to their marvelous electrical and optical properties, perovskite nanocrystals have reached remarkable landmarks in solar cells, light‐emitting diodes, and photodetectors. However, the intrinsic instability of ionic perovskites, which would undergo an undesirable phase transition and decompose rapidly in ambient humidity, limits their long‐term practical deployment. To address this challenge, halogenated...
The efficiency of reactive oxygen species (ROS)‐mediated cancer therapy is restrained by intrinsic characteristics in the tumor microenvironment (TME), such as overexpressed glutathione (GSH), hypoxia and limited efficiency of H2O2. In this work, intelligent copper‐dropped calcium carbonate loading sonosensitizer Ce6 nanoparticles (Cu/CaCO3@Ce6, CCC NPs) are established to realize TME‐responsive self‐supply...
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