The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Li‐O2 batteries could deliver ultra‐high theoretical energy density compared to current Li‐ion batteries counterpart. The slow cathode reaction kinetics in Li‐O2 batteries, however, limits their electrocatalytic performance. To this end, MoSe2 and Ni0.85Se nanoflakes were decorated in carbon hollow nanoflowers, which were served as the cathode catalysts for Li‐O2 batteries. The hexagonal Ni0.85Se...
The growth of high‐quality halide perovskite single crystals is imperative to study their intrinsic physical properties and to realize high‐performance optoelectronic devices. Here, a room‐temperature solvent evaporation‐induced crystallization (RTSEIC) method is reported based on Le Chatelier's principle, which provides a general strategy to grow halide perovskite single crystals including 3D, 2D,...
This work reports a metal–organic framework (MOF) with less‐coordinated copper dimers, which displays excellent electrochemical CO2 reduction (eCO2RR) performance with an advantageous current density of 0.9 A cm−2 and a high Faradaic efficiency of 71% to C2 products. In comparison with MOF with Cu monomers that are present as Cu1O4 with a coordination number of 3.8 ± 0.2, Cu dimers exist as O3Cu1...
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...
The lead‐free hybrid perovskite piezoelectrics possess advantages of easy processing, light weight, and low‐toxicity over inorganic ceramics. However, the lack of understanding in structure–property relationships hinders exploration of new molecular piezoelectric crystals with excellent performances. Herein, by introducing chiral α‐phenylethylammonium (α‐PEA+) cations into bismuth‐based hybrid halides,...
Nanozymes, a type of nanomaterials that function similarly to natural enzymes, receive extensive attention in biomedical fields. However, the widespread applications of nanozymes are greatly plagued by their unsatisfactory enzyme‐mimicking activity. Localized surface plasmon resonance (LSPR), a nanoscale physical phenomenon described as the collective oscillation of surface free electrons in plasmonic...
Flat metasurfaces with subwavelength meta‐atoms can be designed to manipulate the electromagnetic parameters of incident light and enable unusual light–matter interactions. Although hydrogel‐based metasurfaces have the potential to control optical properties dynamically in response to environmental conditions, the pattern resolution of these surfaces has been limited to microscale features or larger,...
Acute lung injury (ALI)/acute respiratory distress syndrome (ARDS) is a common respiratory critical syndrome that currently has no effective therapeutic interventions. Pulmonary macrophages play a principal role in the initiation and progression of the overwhelming inflammation in ALI/ARDS. Here, a type of fluorous‐tagged bioactive peptide nanoparticle termed CFF13F is developed, which can be efficiently...
Aluminum‐Ion Batteries
In article number 2203236, Hongsen Li and co‐workers develop a Sn‐based alloy (Co3Sn2) as a type of aluminum‐ion battery positive electrode, revealing a bimetallic activated center alloying reaction aluminum storage mechanism. Both Co and Sn act as activation centers and alloy with Al to generate AxSn and AlyCo, respectively, which is fundamentally different from what occurs...
Aluminum is the most abundant metal element in the Earth's crust, thus developing the rechargeable aluminum‐ion batteries (AIBs) provides an ideal opportunity to realize cells with pleasing energy‐to‐price ratios. However, the further development of AIBs is plagued by the scarcity of suitable positive electrode materials. Here, for the first time, a tin‐based alloy positive electrode material for...
Nanovaccine‐based immunotherapy (NBI) has the ability to initiate dendritic cell (DC)‐mediated tumor‐specific immune responses and maintain long‐term antitumor immune memory. To date, the mechanism by which the mechanical properties of nanoparticles alter the functions of DCs in NBI remains largely unclear. Here, a soft mesoporous organosilica‐based nanovaccine (SMONV) is prepared and the elasticity‐dependent...
Elastic Nanovaccines
In article number 2201108, Zhaogang Teng, Heng Dong, Yongbin Mou, and co‐workers report a soft mesoporous organosilica‐based nanovaccine (SMONV) and demonstrate that elastic SMONV evokes robust antitumor immune cascades, including lymphatic drainage, antigen internalization and cross‐presentation, and tumor‐specific T‐cell immune responses. Treg‐mediated immunosuppression is inhibited...
Metal aerogels represent an emerging type of functional porous materials with promising applications in diverse fields, but the fabrication of metal aerogels with specific structure and property still remains a challenge. Here, the authors report a new approach to fabricate metal aerogels by using ultrasmall metal nanoclusters (NCs) as functional building blocks. By taking D‐penicillamine‐stabilized...
Porous carbon plays a significant role in all‐solid‐state lithium‐sulfur batteries (ASSLSBs) to enhance the electronic conductivity of sulfur. However, the conventional porous carbon used in cell with liquid electrolyte exhibits low efficiency in ASSLSBs because the immobile solid electrolyte (SE) cannot reach sulfur confined in the deep pores. The structure and distribution of pores in carbon highly...
Large‐scale salinity gradient power energy harvesting has generated broad attention in recent years, in which affordable ion‐selective membranes (ISMs) are essential for its practical implementation. In this study, for the first time, ISMs derived from natural loofah sponge are reported, which have features of high hydrophilicity, superior ion conductivity, and 3D interconnected long fibers. The permselectivity...
Transition metal chalcogenides have received great attention as promising anode candidates for sodium‐ion batteries (SIBs). However, the undesirable cyclic life and inferior rate capability still restrict their practical applications. The design of micro–nano hierarchitectures is considered as a possible strategy to facilitate the electrochemical reaction kinetics and strengthen the electrode structure...
The mixing of charge states of metal copper catalysts may lead to a much improved reactivity and selectivity toward multicarbon products for CO2 reduction. Here, an electrocatalyst model composed of copper clusters supported on graphitic carbon nitride (g‐C3N4) is proposed; the connecting Cu atoms with g‐C3N4 can be oxidized to Cux+ due to substantial charge transfer from Cu to N atoms, while others...
In article number 1802745, Yong‐Qiang Li and co‐workers report a robust tumor microenvironment‐responsive theranostic nanoprobe (NanoFlare). By virtue of its anisotropic oligonucleotides‐spike nanostructure, the NanoFlare can enter tumor cells universally regardless of cell type and produce a redox‐activated fluorescence signal. The NanoFlare enables accurate intraoperative margin demarcation of different...
Accurate tumor margin demarcation in situ remains a paramount challenge. Herein, a NanoFlare (also known as spherical‐nucleic‐acid technology) based strategy is reported for in situ tumor margin delineation by transforming and amplifying the pathophysiological redox signals of tumor microenvironment. The NanoFlare designed (named AuNS‐ASON) is based on gold nanostar (AuNS) coated with a dense shell...
The efficiency of gas sensors varies enormously from fundamental study to practical application. This big gap comes mainly from the complex and unpredictable effect of atmospheric environment, especially in humidity. Here, the cross‐sensitivity to humidity of a SnO2 sensor from local structural and lattice evolutions is studied. The sensing response of ethanol is found to be efficiently activated...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.