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The imbalance of charge injection is considered to be a major factor that limits the device performance of cadmium‐free quantum‐dot light‐emitting diodes (QLEDs). In this work, high‐performance cadmium‐free Cu─In─Zn─S(CIZS)‐based QLEDs are designed and fabricated through tailoring interfacial energy level alignment and improving the balance of charge injection. This is achieved by introducing a bilayered...
The design and fabrication of novel carbon hosts with high conductivity, accelerated electrochemical catalytic activities, and superior physical/chemical confinement on sulfur and its reaction intermediates polysulfides are essential for the construction of high‐performance C/S cathodes for lithium–sulfur batteries (LSBs). In this work, a novel biofermentation coupled gel composite assembly technology...
Drug Release Technology
In article number 2306940, Jian Tian, Shengqian Ma, and co‐workers developed a novel magnetothermally‐triggered drug release carrier. Created using a controlled encapsulation method, this carrier fully fixes and confines iron oxide nanoparticles (IONPs) within metal‐organic frameworks (MOFs), preserving the MOF's morphology and porosity and effectively segregating IONPs. It...
The development of external stimuli‐controlled payload systems has been sought after with increasing interest toward magnetothermally‐triggered drug release (MTDR) carriers due to their non‐invasive features. However, current MTDR carriers present several limitations, such as poor heating efficiency caused by the aggregation of iron oxide nanoparticles (IONPs) or the presence of antiferromagnetic...
Caused by severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2), coronavirus disease 2019 (COVID‐19) has shown extensive lung manifestations in vulnerable individuals, putting lung imaging and monitoring at the forefront of early detection and treatment. Magnetic particle imaging (MPI) is an imaging modality, which can bring excellent contrast, sensitivity, and signal‐to‐noise ratios to lung...
Tin disulfide (SnS2) shows promising properties toward sodium ion storage with high capacity, but its cycle life and high rate capability are still undermined as a result of poor reaction kinetics and unstable structure. In this work, phosphate ion (PO43−)‐doped SnS2 (P‐SnS2) nanoflake arrays on conductive TiC/C backbone are reported to form high‐quality P‐SnS2@TiC/C arrays via a hydrothermal–chemical...
Aqueous zinc‐ion batteries with low cost and inherent safety are considered to be the next‐generation energy storage device. However, they suffer from poor cycling stability and low coulombic efficiency caused by the serious zinc dendrites during the cycling. In this work, a porous water‐based filter membrane is first proposed as separator due to its good toughness and uniform pore distribution. The...
Recently, ambient electrochemical N2 fixation has gained great attention. However, the commercial Pt‐based electrocatalyst hardly shows its potential in this field. Herein, it is found that the isolated Pt sites anchored on WO3 nanoplates exhibit the optimum electrochemical NH3 yield rate (342.4 µg h−1 mg−1Pt) and Faradaic efficiency (31.1%) in 0.1 m K2SO4 at −0.2 V versus RHE, which are about 11...
Nanoparticles covered with surfactants are often used to study particle motion patterns and self‐assembly processes in solutions. Surfactants have influence on the interparticle interactions and therefore on the particle motion tracks and final patterns. In this study, CoPt nanoparticles are synthesized in aqueous solution without any surfactant. In situ transmission electron microscopy observation...
Photodynamic therapy (PDT) typically involves oxygen (O2) consumption and therefore suffers from greatly limited anticancer therapeutic efficacy in tumor hypoxia. Here, it is reported for the first time that amine‐terminated, PAMAM dendrimer‐encapsulated gold nanoclusters (AuNCs‐NH2) can produce O2 for PDT via their intrinsic catalase‐like activity. The AuNCs‐NH2 not only show optimum H2O2 consumption...
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