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Advanced Photocatalytic Materials
Developing next‐generation photocatalytic materials contributes to scientific advances in environmental and energy catalysis. This paper presents the fundamental theory, structure–performance relationship, and catalytic advantages of hollow nanoreactors (HoNRs) employed as novel‐type of advanced photocatalysts, which may provide a prospective guidance for the future...
Hollow nanoreactors (HoNRs) have regarded as an attractive catalytic material for photocatalysis due to their exceptional capabilities in enhancing light harvesting, facilitating charge separation and transfer, and optimizing surface reactions. Developing novel HoNRs offers new options to realize controllable catalytic behavior. However, the catalytic mechanism of photocatalysis occurring in HoNRs...
Nanoreactors' Pore Channel Systems
In article number 2304008, Zhihao Yu and co‐workers attempt to provide theoretical insights on measurement techniques, structural regulation, and catalytic effects of molecular diffusion in nanoreactors' pore channel systems, which could potentially develop the underlying theory of molecular diffusion under the theoretical framework of nanoreactor‐driven catalysis...
Nanoreactors, as a new class of materials with highly enriched and ordered pore channel structures, can achieve special catalytic effects by precisely identifying and controlling the molecular diffusion behavior within the ordered pore channel system. Nanoreactors‐driven molecular diffusion within the ordered pore channels can be highly dependent on the local microenvironment in the nanoreactors’...
Covalent organic frameworks (COFs) are one type of porous organic materials linked by covalent bonds. COFs materials exhibit many outstanding characteristics such as high porosity, high chemical and thermal stability, large specific surface area, efficient electron transfer efficiency, and the ability for predesigned structures. These exceptional advantages enable COFs materials to exhibit remarkable...
Nanostructured transitional metal compounds (TMCs) have demonstrated extraordinary promise for high‐efficient and rapid lithium storage. However, good performance is usually limited to electrodes with low mass loading (≤1.0 mg cm−2) and is difficult to realize at higher mass loading due to increased electrons/ions transport limitations in the thicker electrode. Herein, the multi‐dimensional synergistic...
Covalent organic frameworks (COFs) show potentials in prominent photoelectric responses by judicious structural design. However, from the selections of monomers and condensation reactions to the synthesis procedures, the acquisition of photoelectric COFs has to meet overmuch high conditions, limiting the breakthrough and modulation in photoelectric responses. Herein, the study reports a creative “lock‐key...
Photocatalytic CO2 reduction to valuable fuels is a promising way to alleviate anthropogenic CO2 emissions and energy crises. Perovskite oxides have attracted widespread attention as photocatalysts for CO2 reduction by virtue of their high catalytic activity, compositional flexibility, bandgap adjustability, and good stability. In this review, the basic theory of photocatalysis and the mechanism of...
Bimetallic layered double hydroxides (LDHs) are promising catalysts for anodic oxygen evolution reaction (OER) in alkaline media. Despite good stability, NiCo LDH displays an unsatisfactory OER activity relative to the most robust NiFe LDH and CoFe LDH. Herein, a novel NiCo LDH electrocatalyst modified with single‐atom silver grown on carbon cloth (AgSA‐NiCo LDH/CC) that exhibits exceptional OER activity...
Constructing a 3D composite Li metal anode (LMA) along with the engineering of artificial solid electrolyte interphase (SEI) is a promising strategy for achieving dendrite‐free Li deposition and high cycling stability. The nanostructure of artificial SEI is closely related to the performance of the LMA. Herein, the self‐grown process and morphology of in situ formed Li2S during lithiation of CuxS...
Stable Li Metal Batteries
Ordered micro‐grooves are prepared by femtosecond laser on Cu foil for lithium metal battery. The deposition of Li can be directed by the micro‐grooves to form ordered and dense Li arrays. This idea for tuning lithium nucleation sites on current collector can significantly enlighten the future work for high‐energy‐density anode‐free full cells. More details can be found in...
Li metal anode is promising to achieve high‐energy‐density battery. However, it has rapid capacity fading due to the generation of inactive Li (dead Li), especially at high current density. This study reveals that the random distribution of Li nuclei leads to large uncertainty for the further growth behavior on Cu foil. Here, periodical regulation of Li nucleation sites on Cu foil by ordered lithiophilic...
Photocatalysis driven by solar energy is a feasible strategy to alleviate energy crises and environmental problems. In recent years, significant progress has been made in developing advanced photocatalysts for efficient solar‐to‐chemical energy conversion. Single‐atom catalysts have the advantages of highly dispersed active sites, maximum atomic utilization, unique coordination environment, and electronic...
Converting CO2 into value‐added products by photocatalysis, electrocatalysis, and photoelectrocatalysis is a promising method to alleviate the global environmental problems and energy crisis. Among the semiconductor materials applied in CO2 catalytic reduction, Cu2O has the advantages of abundant reserves, low price and environmental friendliness. Moreover, Cu2O has unique adsorption and activation...
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...
Atomically dispersed nitrogen‐coordinated 3d transition‐metal site on carbon support (M‐NC) are promising alternatives to Pt group metal‐based catalysts toward oxygen reduction reaction (ORR). However, despite the excellent activities of most of M‐NC catalysts, such as Fe‐NC, Co‐NC et al., their durability is far from satisfactory due to Fenton reaction. Herein, this work reports a novel Si‐doped...
Exploiting active and stable non‐precious metal electrocatalysts for alkaline hydrogen evolution reaction (HER) at large current density plays a key role in realizing large‐scale industrial hydrogen generation. Herein, a self‐supported microporous Ni(OH)x/Ni3S2 heterostructure electrocatalyst on nickel foam (Ni(OH)x/Ni3S2/NF) that possesses super‐hydrophilic property through an electrochemical process...
Rationally modulating the catalytic microenvironment is important for targeted induction of specific molecular behaviors to fulfill complicated catalytic purposes. Herein, a metal pre‐chelating assisted assembly strategy is developed to facilely synthesize the hollow carbon spheres with ultrafine ruthenium clusters embedded in pore channels of the carbon shell (Ru@Shell‐HCSs), which can be employed...
Ultrafine Ruthenium Clusters
In article number 2201361, Xuebin Lu and co‐workers develop ultrafine ruthenium clusters shell‐embedded hollow nanoreactors for the efficient furfural tandem hydrogenation with preferred electronic and geometric catalytic microenvironments. The channel microenvironment‐driven synergy between reinforced interfacial metal‐support charge transfer and prolonged molecular diffusion...
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