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Cancer Immunotherapy
In article number 2308731, Bing Liu, Chun Xu, Lin‐Lin Bu, and co‐workers explore the innovative use of nanoparticles for targeted drug delivery to lymph nodes, aiming to activate the immune system in the battle against cancer. The image interprets the physiological process of nanoparticles targeting lymph nodes for drug delivery as an approach in immunotherapy.
Immunotherapy has emerged as a potent strategy in cancer treatment, with many approved drugs and modalities in the development stages. Despite its promise, immunotherapy is not without its limitations, including side effects and suboptimal efficacy. Using nanoparticles (NPs) as delivery vehicles to target immunotherapy to lymph nodes (LNs) can improve the efficacy of immunotherapy drugs and reduce...
Low‐dimensional semiconductor nanostructures, particularly in the form of nanowire configurations with large surface‐to‐volume‐ratio, offer intriguing optoelectronic properties for the advancement of integrated photonic technologies. Here, a bias‐controlled, superior dual‐functional broadband light detecting/emitting diode enabled by constructing the aluminum‐gallium‐nitride‐based nanowire on the...
Defect engineering is promising to tailor the physical properties of 2D semiconductors for function‐oriented electronics and optoelectronics. Compared with the extensively studied 2D binary materials, the origin of defects and their influence on physical properties of 2D ternary semiconductors are not clarified. Here, the effect of defects on the electronic structure and optical properties of few‐layer...
Chemically inert organic networks exhibiting electrical conductivity comparable to metals can advance organic electronics, catalysis, and energy storage systems. Covalent–organic frameworks (COFs) have emerged as promising materials for those applications due to their high crystallinity, porosity, and tunable functionality. However, their low conductivity has limited their practical utilization. In...
Graphite with abundant reserves has attracted enormous research interest as an anode of potassium‐ion batteries (PIBs) owing to its high plateau capacity of 279 mAh g−1 at ≈0.2 V in conventional carbonate electrolytes. Unfortunately, it suffers from fast capacity decay during K+ storage. Herein, an ultrastable graphite‐potassium anode is developed through binder chemistry. Polyvinyl alcohol (PVA)...
MXene nanosheets are believed to be an ideal candidate for fabricating fiber supercapacitors (FSCs) due to their metallic conductivity and superior volumetric capacitance, while challenges remain in continuously collecting bare MXene fibers (MFs) via the commonly used wet‐spinning technique due to the intercalation of water molecules and a weak interaction between Ti3C2TX nanosheets in aqueous coagulation...
The rational design of efficient and multifunctional electrocatalysts for energy conversion devices is one of the major challenges for clean and renewable energy transition. Herein, the local electronic structure of cobalt–platinum nanoclusters is regulated by adjacent platinum atomic site encapsulated in N‐doped hollow carbon nanotubes (PtSA–PtCo NCs/N–CNTs) by pyrolysis of melamine‐orientation‐induced...
Sodium‐ion (Na‐ion) battery is one of the research focuses because of high theoretical capacity and low cost. However, seeking for ideal anodes remains a big challenge. Here, a Co3S4@NiS2/C synthesized by in situ growing NiS2 on CoS spheres then converting to Co3S4@NiS2 heterostructures encapsulated by carbon matrix, is developed as a promising anode. Co3S4@NiS2/C as anode displays a high capacity...
The development of atomically dispersed iron‐nitrogen‐carbon (Fe─N─C) catalysts as an alternative to precious platinum holds great potential for the substantial progress of a variety of oxygen reduction reaction (ORR)‐associated energy conversion technologies. Nevertheless, the precise synthesis of Fe─N─C single atomic catalysts (SACs) with a high density of accessible active sites and pronounced...
Converting CO2 into value‐added chemicals to solve the issues caused by carbon emission is promising but challenging. Herein, by embedding metal ions (Co2+, Ni2+, Cu2+, and Zn2+) into an imidazole‐linked robust photosensitive covalent organic framework (PyPor‐COF), effective photocatalysts for CO2 conversion are rationally designed and constructed. Characterizations display that all of the metallized...
Superlattice Films
Work function difference induces spontaneous charge donation and band bending at the interfaces of superlattices, which causes optimization effects of modulation doping and energy filtering, leading to remarkably enhanced thermoelectric performances. This optimizing strategy is successfully elucidated in 1T′‐MoTe2/Bi2Te3 superlattice films. Meanwhile, the rational manipulation of...
Interfacial charge effects, such as band bending, modulation doping, and energy filtering, are critical for improving electronic transport properties of superlattice films. However, effectively manipulating interfacial band bending has proven challenging in previous studies. In this study, (1T′‐MoTe2)x(Bi2Te3)y superlattice films with symmetry‐mismatch were successfully fabricated via the molecular...
In order to overcome the limitations of supramolecular organic cages for their incomplete accessibility of active sites in the solid state and uneasy recyclability in liquid solution, herein a nitrogen‐rich organic cage is rationally linked into framework systems and four isoreticular covalent organic frameworks (COFs), that is, Cage‐TFB‐COF, Cage‐NTBA‐COF, Cage‐TFPB‐COF, and Cage‐TFPT‐COF, are successfully...
The hygroscopic dopants used in Spiro‐OMeTAD hole transport material (HTM) in state‐of‐the‐art perovskite solar cells (PSCs) inevitably induce premature degradation of the devices. Here, two multifunctional polymer interface materials based on the perylene diimides (PDI) unit are developed. It is found that quasi‐two‐dimensional (2D) polymer 2DP‐PDI can form a denser film and exhibit better hydrophobicity...
The purity of enantiomers plays a critical role in human health and safety. Enantioseparation is an effective way and necessary process to obtain pure chiral compounds. Enantiomer membrane separation is a new chiral resolution technique, which has the potential for industrialization. This paper mainly summarizes the research status of enantioseparation membranes including membrane materials, preparation...
The electrocatalytic transformation of carbon dioxide (CO2) to formate is a promising route for highly efficient conversion and utilization of CO2 gas, due to the low production cost and the ease of storage of formate. In this work, porous poly(ionic liquid) (PPIL)‐based tin‐silver (Sn‐Ag) bimetallic hybrids (PPILm‐SnxAg10‐x) are prepared for high‐performance formate electrolytic generation. Under...
All‐solid‐state sodium metal batteries paired with solid polymer electrolytes (SPEs) are considered a promising candidate for high energy‐density, low‐cost, and high‐safety energy storage systems. However, the low ionic conductivity and inferior interfacial stability with Na metal anode of SPEs severely hinder their practical applications. Herein, an anion‐trapping 3D fiber network enhanced polymer...
Sodium‐ion batteries (SIBs) hold great promise owing to the naturally abundant sodium resource and high safety. The research focus of SIBs is usually directed toward electrode materials, while the binder as an important component is rarely investigated. Herein, a cross‐linked sodium alginate (SA)/graphene oxide (GO) binder is judiciously designed to serve as a robust artificial interphase on the surface...
Bias‐Free Water Splitting
In article number 2204495, Xin Tong, Lianzhou Wang, Zhiming M. Wang, and co‐workers develop a quantum dots (QDs)‐based photoelectrochemical (PEC) device comprised of tandem Zn‐doped CuInS2 QDs‐decorated metal oxide electrodes (BiVO4 and Cu2O) for bias‐free solar water splitting. Both the ligands capped on QDs and QDs‐electrode heterojunctions are rationally engineered to...
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