Scientia Sinica Chimica, Journal Year: 2023, Volume and Issue: 54(1), P. 21 - 34
Published: Nov. 9, 2023
Language: Английский
Advanced Materials, Journal Year: 2024, Volume and Issue: 36(15)
Published: Jan. 9, 2024
Polyoxometalates (POMs), a kind of molecular metal oxide cluster with unique physical-chemical properties, have made essential contributions to creating efficient and robust electrocatalysts in renewable energy systems. Due the fundamental advantages POMs, such as diversity structures large numbers redox active sites, numerous efforts been devoted extending their application areas. Up now, various strategies assembling POM molecules into superstructures, supporting POMs on heterogeneous substrates, POMs-derived compounds developed for synthesizing electrocatalysts. From multidisciplinary perspective, latest advances POM-structured materials focus fundamentals, electrocatalytic roles, recent breakthroughs POM-derived electrocatalysts, are systematically summarized. Notably, this paper focuses exposing current states, essences, mechanisms how influence activities discloses critical requirements future developments. The challenges, objectives, comparisons, perspectives also discussed. It is anticipated that review will offer substantial impact stimulating interdisciplinary prosperities widespread utilizations electrocatalysis.
Language: Английский
Citations
34
Angewandte Chemie International Edition, Journal Year: 2024, Volume and Issue: 63(41)
Published: July 8, 2024
For heterojunction system, the lack of stable interfacial driving force and definite charge transfer channel makes separation efficiency unsatisfactory. The photoreaction mechanism occurring at interface also receives less attention. Herein, a 2D/2D Z-scheme junction BiOBr@NiFe-LDH with large-area contact featured by short hydrogen bonds strong electric field (IEF) is synthesized, in situ photoinduced metallic species assisting demonstrated. between O atoms from BiOBr H NiFe-LDH induce significant redistribution, establishing robust IEF. Notably, during photocatalytic reaction, Bi
Language: Английский
Citations
22
Advanced Science, Journal Year: 2024, Volume and Issue: 11(23)
Published: April 1, 2024
Abstract Chiral nanomaterials with unique chiral configurations and biocompatible ligands have been booming over the past decade for their interesting chiroptical effect, catalytical activity, related bioapplications. The catalytic activity selectivity of emerged as important topics, that can be potentially controlled optimized by rational biochemical design nanomaterials. In this review, synthesis, composition, performances different biohybrid are discussed. construction multiscale geometries along underlying principles enhancing responses highlighted. Various approaches to regulate biocatalysis also summarized. Furthermore, attention is paid specific ligands, materials compositions, structure characteristics, so on introducing selective activities representative nanomaterials, emphasis substrates including small molecules, biological macromolecule, in‐site catalysis in living systems. Promising progress has emphasized featuring structural versatility improved gave rise unprecedented chances utilize light biocatalytic applications. summary, challenges, future trends, prospects associated comprehensively proposed.
Language: Английский
Citations
10
Applied Catalysis B Environment and Energy, Journal Year: 2024, Volume and Issue: unknown, P. 124716 - 124716
Published: Oct. 1, 2024
Language: Английский
Citations
10
Nano Letters, Journal Year: 2024, Volume and Issue: 24(2), P. 741 - 747
Published: Jan. 2, 2024
The emergence of one-dimensional van der Waals heterostructures (1D vdWHs) opens up potential fields with unique properties, but precise synthesis remains a challenge. utilization mixed conductive types carbon nanotubes as templates has imposed restrictions on the investigation electrical behavior and interlayer interaction 1D vdWHs. In this study, we efficiently encapsulated silver iodide in high-purity semiconducting single-walled (sSWCNTs), forming AgI@sSWCNT We characterized semiconductor–metal transition increased carrier concentration individual AgI@sSWCNTs via sensitive dielectric force microscopy confirmed results through device tests. was attributed to an charge transfer, demonstrated by Kelvin probe microscopy. Furthermore, showed that method synthesizing can be extended other metal halides. This work door for further exploration properties
Language: Английский
Citations
9
Science China Materials, Journal Year: 2025, Volume and Issue: unknown
Published: Jan. 7, 2025
Language: Английский
Citations
1
Journal of the American Chemical Society, Journal Year: 2023, Volume and Issue: 145(46), P. 25242 - 25251
Published: Sept. 28, 2023
Single-walled carbon nanotube (SWCNT) heterostructures have shown great potential in catalysis, magnetism, and nanofluidics, which host SWCNTs with certain conductivity (metallic or semiconducting) are highly required. Herein, inspired by the large molecular weight redox properties of polyoxometalate (POM) clusters, we reported selective separation POM encapsulated metallic (POM@m-SWCNTs) a uniform diameter through density gradient ultracentrifugation (DGU). The confined POMs increased SWCNT amplified nanotubes' difference, thus greatly lowering centrifugal force (70,000g) DGU. With this strategy, series POM@m-SWCNTs ∼1.2 nm high purity were sorted. mechanism supported theoretical experimental evidence showed that m-SWCNTs depended on not only nanotube/cluster size but also SWCNTs. smallest 1.2 m-SWCNT can exactly accommodate 0.9 nm-{Mo6} cluster exhibited maximum electron transfer to inner clusters; thus, intertube π–π stacking such was loosened, leading preferential dispersion into individual ones partitioning uppermost layer after As proof-of-concept application, sorting strategy extended separate heavy-element 238U-encapsulated m-SWCNTs. phase-pure, tiny (1–2.5 nm) U4O9 crystals atomic vacancy clusters fabricated growth kinetic control. This work may provide general way construct desired actinide materials specific
Language: Английский
Citations
13
Advanced Materials, Journal Year: 2023, Volume and Issue: 35(46)
Published: Oct. 5, 2023
Monolayers of transition metal dichalcogenides (TMDs) are an ideal 2D platform for studying a wide variety electronic properties and potential applications due to their chemical diversity. Similarly, single-walled TMD nanotubes (SW-TMDNTs)-seamless cylinders rolled-up monolayers-are 1D materials that can exhibit tunable depending on both chirality composition. However, much less has been explored about geometrical structures variations instability under ambient conditions. Here, the structural diversity SW-TMDNTs templated by boron nitride (BNNTs) is reported. The outer surfaces inner cavities BNNTs promote stabilize coaxial growth with various diameters, including few-nanometers-wide species. chiral indices (n,m) individual SW-MoS2 NTs assigned high-resolution transmission electron microscopy, statistical analyses reveals broad distribution ranging from zigzag armchair configurations. Furthermore, this methodology be applied synthesis TMDNTs, such as selenides alloyed Mo1-x Wx S2 . Comprehensive microscopic spectroscopic also suggest partial formation Janus MoS2(1-x) Se2x nanotubes. BNNT-templated reaction provides universal characterize chirality-dependent structures.
Language: Английский
Citations
13
Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(7)
Published: Oct. 30, 2023
Abstract Transition metal carbides (TMCs) have emerged as highly intriguing materials for CO 2 hydrogenation, primarily due to their excellent ability on adsorption and activation, strong metal‐support interaction (SMSI), well the engineered metal/TMCs or TMCs/substrate interfaces fine‐tuning of activity selectivity. In this review, strategies modulating structure properties TMCs attain desirable products in hydrogenation are discussed from following perspectives: 1) Manipulation metal/C ratios atomic arrangements; 2) Incorporation heteroatom construct composites; 3) Enhancement TMC nanoparticles dispersion; 4) situ generation induced by reactions. Such structural engineering key factors affecting catalytic behaviors provide fundamental understanding guidance future application hydrogenation.
Language: Английский
Citations
12
ACS Applied Nano Materials, Journal Year: 2024, Volume and Issue: 7(2), P. 1853 - 1862
Published: Jan. 5, 2024
By changing the diameter of carbon nanotubes (CNTs), phase internal phosphorus could be adjusted, which was testified by spherical-chromatic aberration-corrected transmission electron microscopy. Phosphorus inside a double-walled CNT (P@DWCNT) delivers stable capacity 837 mA h g–1 after 700 cycles at 1.0 A g–1. 155 delivered P@DWCNT when forming full cell with LiFePO4 cathode. According to in situ Raman spectrum, strain (24 GPa) on DWCNTs caused volume expansion during lithiation totally relieved along axis end delithiation process, showing high reversibility. This is because filling rate an appropriate level and are not fully filled, thus preventing from escaping further pulverization. single-walled (P@SWCNT) can only deliver limited since its single layer cannot sustain integrality multiple insertion/extraction processes Li+. Because too much deposited multiwalled (P@MWCNT) sample external tends break off rapidly upon cycling, P@MWCNT shows fast degradation. The anodes thoroughly studied galvanostatic intermittent titration pseudocapacitance investigations reveal size-dependent confining effect.
Language: Английский
Citations
4