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Electrocatalytic nitrogen reduction reaction (NRR) paves a sustainable way to produce NH3 but suffering from the relatively low NH3 yield and poor selectivity. High‐performance NRR catalysts and a deep insight into the structure‐performance relationship are higher desired. Herein, a molten‐salt approach is developed to synthesize tiny CeO2 nanoparticles anchored by ultra‐thin MoN nanosheets as advanced...
Hydrogenolysis is an effective method for converting polyolefins into high‐value chemicals. For the supported catalysts commonly used, the size of active metals is of great importance. In this study, it is discovered that the activity of CeO2‐supported Ru single atom, nanocluster, and nanoparticle catalysts shows a volcanic trend in low‐density polyethylene (LDPE) hydrogenolysis. Compared with CeO...
Solid catalyst is widely recognized as an effective strategy to control the chirality of single‐walled carbon nanotubes (SWNTs). However, it is still not compatible with high density in horizontal arrays. “Trojan” catalysts strategy is one of the most effective methods to realize SWNTs with high density and has great potential in chirality control. Here, the co‐realization of high density and chirality...
Electrochemical Nc reduction has been regarded as one of the most promising approaches to producing ammonia under mild conditions, but there are remaining pressing challenges in improving the reaction rate and efficiency. Herein, an unconventional galvanic replacement reaction is reported to fabricate a unique hierarchical structure composed of Fe3O4‐CeO2 bimetallic nanotubes covered by Fe2O3 ultrathin...
The incorporation of a transition metal into a noble metal for the formation of nanoalloys paves a potential way to modulate the electronic structures and spatial arrangement modes, thereby manipulating the target catalysis under the desired reaction pathways. Herein, a top‐down synthetic route to fabricate IrCo nanoalloys with delicately designed compositions and morphologies at an extremely low...
Synergistic therapy for malignant tumors has been developed in the past. However, several disadvantages that are associated with the applied inorganic nanoagents cannot be avoided, including intrinsic systemic toxicity, immunosuppression, and low therapeutic efficiency. Herein, a biocompatible, multifunctional, inorganic nanoagent that simultaneously integrates chemodynamic, starvation, and photothermal...
Great efforts have been devoted to searching for efficient catalytic systems to produce ultra‐high density single‐walled carbon nanotube (SWNT) arrays, which lay the foundation for future electronic devices. However, one major obstacle for realizing high‐density surface‐aligned SWNT arrays is the poor stability of metal nanoparticles in chemical vapor deposition catalytic processes. Recently, Trojan...
Near‐infrared (NIR) light‐triggered hyperthermia has exhibited promising prospects in oncology therapy due to the unique merits including minimal invasiveness, monitorable, excellent therapeutic effect, and negligible side effects. Especially, the second NIR biowindow (NIR‐II, 1000–1700 nm) with less absorbance and scattering by skin tissue, and deep tissue penetration, has received extensive attention...
Lightweight and mechanically strong protein fibers are promising for many technical applications. Despite the widespread investigation of biological fibers based on spider silk and silkworm proteins, it remains a challenge to develop low‐cost proteins and convenient spinning technology for the fabrication of robust biological fibers. Since there are plenty of widely available proteins in nature, it...
Inspired by bio‐enzymes, multistep cascade reactions are highly attractive in catalysis. Despite extensive research in recent years, it remains a challenge to promote the stability and activity of catalysts. Here, well‐defined core–shell structured Ag–Au nanocage@CeO2 (Ag–Au NC@CeO2) are designed by a simple and facile self‐assembly method. The results indicate that the Ag–Au NC@CeO2 has glucose oxidase‐like...
Design of new nanoagents that intrinsically have both diagnostic imaging and therapeutic capabilities is highly desirable for personalized medicine. In this work, a novel nanotheranostic agent is fabricated based on polydopamine (PDA)‐functionalized Co‐P nanocomposites (Co‐P@PDA) for magnetic resonance imaging (MRI)‐guided combined photothermal therapy and chemotherapy. The ultrahigh relaxivity of...
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