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Water electrolysis is an ideal method for industrial green hydrogen production. However, due to increasing scarcity of freshwater, it is inevitable to develop advanced catalysts for electrolyzing seawater especially at large current density. This work reports a unique Ru nanocrystal coupled amorphous‐crystal Ni(Fe)P2 nanosheet bifunctional catalyst (Ru‐Ni(Fe)P2/NF), caused by partial substitution...
The rational design of lightweight, broad‐band, and high‐performance microwave absorbers is urgently required for addressing electromagnetic pollution issue. Metal single atoms (M–SAs) absorbers receive considerable interest in the field of microwave absorption due to the unique electronic structures of M–SAs. However, the simultaneous engineering of the morphology and electronic structure of M–SAs...
Hollow carbon spheres are potential candidates for lightweight microwave absorbers. However, the skin effect of pure carbon‐based materials frequently induces a terrible impedance mismatching issue. Herein, small‐sized NiO/Ni particles with heterojunctions on the N‐doped hollow carbon spheres (NHCS@NiO/Ni) are constructed using SiO2 as a sacrificing template. The fabricated NHCS@NiO/Ni displayed excellent...
Ordered porous carbon materials (PCMs) have potential applications in various fields due to their low mass densities and porous features. However, it yet remains extremely challenging to construct PCMs with multifunctionalization for electromagnetic wave absorption. Herein, the honeycombed‐like carbon aerogels with embedded Co@C nanoparticles are fabricated by a directionally freeze‐casting and carbonization...
Nanotheranostics have been actively sought in precision nanomedicine in recent years. However, insufficient tumor accumulation and limited cell uptake often impede the nanotheranostic efficacy. Herein, pH‐sensitive charge‐reversible polymer‐coated layered double hydroxide (LDH) nanohybrids are devised to possess long circulation in blood but reserve surface charges in the weakly acidic tumor tissue...
For mechanically protective coatings, the coating material usually requires sufficient stiffness and strength to resist external forces and meanwhile matched mechanical properties with the underneath substrate to maintain the structural integrity. These requirements generate a conflict that limits the coatings from achieving simultaneous surface properties (e.g., high wear‐resistance) and coating/substrate...
In article number 1802717, Zhengzhi Wang, Houbing Huang, Zuoqi Zhang, and co‐workers develop functional gradient nanocomposite coatings with hybrid‐sized nanoreinforcements gradiently and discretely distributed towards the coating surface. The coatings exhibit simultaneously high surface hardness, stiffness, and wear resistance, as well as superb coating/substrate interfacial integrity that applies...
Nanomaterials have been widely tested as new generation vaccine adjuvants, but few evoke efficient immunoreactions. Clay nanoparticles, for example, layered double hydroxide (LDH) and hectorite (HEC) nanoparticles, have shown their potent adjuvanticity in generating effective and durable immune responses. However, the mechanism by which clay nanoadjuvants stimulate the immune system is not well understood...
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