C-P/C=O bonds assisted desolvation effect in ultra-micropores carbon for boosting Zn-ion storage capability

Energy storage materials, Journal Year: 2023, Volume and Issue: 58, P. 332 - 343

Published: April 1, 2023

Language: Английский

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Revolutionizing CO₂ Electrolysis: Fluent Gas Transportation within Hydrophobic Porous Cu₂O

Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(15), P. 10599 - 10607

Published: April 3, 2024

The success of electrochemical CO2 reduction at high current densities hinges on precise interfacial transportation and the local concentration gaseous CO2. However, creation efficient channels remains an unexplored frontier. In this study, we design synthesize hydrophobic porous Cu2O spheres with varying pore sizes to unveil nanoporous channel's impact gas transfer triple-phase interfaces. not only facilitate rapid but also trap compressed bubbles form abundant stable interfaces, which are crucial for high-current-density electrocatalysis. electrolysis, in situ spectroscopy density functional theory results reveal that atomic edges concave surfaces promote C–C coupling via energetically favorable OC-COH pathway, leading overwhelming CO2-to-C2+ conversion. Leveraging optimal active site exposure, a 240 nm size (P-Cu2O-240) stands out among all samples exhibits best productivity remarkable Faradaic efficiency formation rate up 75.3 ± 3.1% 2518.2 8.1 μmol h–1 cm–2, respectively. This study introduces novel paradigm electrocatalysts concurrently addresses gas-transfer challenges.

Language: Английский

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Guidelines derived from biomineralized tissues for design and construction of high-performance biomimetic materials: from weak to strong

Chemical Society Reviews, Journal Year: 2024, Volume and Issue: 53(9), P. 4490 - 4606

Published: Jan. 1, 2024

This review discusses recent advances, challenges, future research directions and perspectives in biomineralized tissues, providing in-depth insights into derived guidelines for design preparation of high-performance biomimetic materials.

Language: Английский

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Visualizing Nanoscale Interlayer Magnetic Interactions and Unconventional Low‐Frequency Behaviors in Ferromagnetic Multishelled Structures

Advanced Materials, Journal Year: 2024, Volume and Issue: 36(24)

Published: March 12, 2024

Abstract Precise manipulation of van der Waals forces within 2D atomic layers allows for exact control over electron–phonon coupling, leading to the exceptional quantum properties. However, applying this technique diverse structures such as 3D materials is challenging. Therefore, investigating new hierarchical and different interlayer crucial overcoming these limitations discovering novel physical In work, a multishelled ferromagnetic material with controllable shell numbers developed. By strategically regulating magnetic interactions between shells, properties each are fine‐tuned. This approach reveals distinctive characteristics including regulated domain configurations enhanced effective fields. The nanoscale shells observed analyzed, which shed light on modified shell, enhancing understanding materials. interaction significantly boosts electromagnetic absorption at low‐frequency frequencies used by fifth‐generation wireless devices, outperforming without multilayer several folds. application in science thrilling prospects technological electronic innovation.

Language: Английский

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Enhanced Capacitive Deionization of Hollow Mesoporous Carbon Spheres/MOFs Derived Nanocomposites by Interface‐Coating and Space‐Encapsulating Design

Advanced Science, Journal Year: 2024, Volume and Issue: 11(39)

Published: Aug. 14, 2024

Abstract Exploring new carbon‐based electrode materials is quite necessary for enhancing capacitive deionization (CDI). Here, hollow mesoporous carbon spheres (HMCSs)/metal‐organic frameworks (MOFs) derived (NC(M)/HMCSs and NC(M)@HMCSs) are successfully prepared by interface‐coating space‐encapsulating design, respectively. The obtained NC(M)/HMCSs NC(M)@HMCSs possess a hierarchical nanoarchitecture with abundant nitrogen doping, high specific surface area, meso‐/microporous pores. These merits conducive to rapid ion diffusion charge transfer during the adsorption process. Compared NC(M)/HMCSs, exhibit superior electrochemical performance due their better utilization of internal space carbon, forming an interconnected 3D framework. In addition, introduction Ni ions more synergistic effect between ZIF(M)‐derived N‐doped shell compared other (Mn, Co, Cu ions). resultant Ni‐1‐800‐based CDI device exhibits excellent salt capacity (SAC, 37.82 mg g −1 ) good recyclability. This will provide direction MOF nanoparticle‐driven assembly strategy application CDI.

Language: Английский

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Asymmetrically coupled Co Single-atom and Co nanoparticle in Double-shelled Carbon-based nanoreactor for enhanced reversible oxygen catalysis

Chemical Engineering Journal, Journal Year: 2022, Volume and Issue: 455, P. 140401 - 140401

Published: Nov. 17, 2022

Language: Английский

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Porous Polymer Cubosomes with Ordered Single Primitive Bicontinuous Architecture and Their Sodium–Iodine Batteries

Journal of the American Chemical Society, Journal Year: 2022, Volume and Issue: 144(34), P. 15497 - 15508

Published: Aug. 18, 2022

Bicontinuous porous materials, which possess 3D interconnected pore channels facilitating a smooth mass transport, have attracted much interest in the fields of energy and catalysis. However, their synthesis remains very challenging. We report general approach, using polymer cubosomes as template, for controllable bicontinuous polymers with an ordered single primitive (SP) cubic structure, including polypyrrole (SP-PPy), poly-m-phenylenediamine (SP-PmPD), polydopamine (SP-PDA). Specifically, resultant SP-PPy had unit cell parameter 99 nm, diameter 45 specific surface area approximately 60 m2·g–1. As proof concept, I2-adsorbed was employed cathode materials newly emerged Na–I2 batteries, delivered record-high capacity (235 mA·h·g–1 at 0.5 C), excellent rate capability, cycling stability (with low decay 0.12% per cycle within 400 cycles 1 C). The advantageous contributions structure I3– adsorption mechanism were revealed by combination ion diffusion experiments theoretical calculations. This study opens new avenue topologies, broadens spectrum bicontinuous-structured also develops novel potential application polymers.

Language: Английский

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Anisotropic Self-Assembly of Asymmetric Mesoporous Hemispheres with Tunable Pore Structures at Liquid–Liquid Interfaces

Journal of the American Chemical Society, Journal Year: 2022, Volume and Issue: 144(34), P. 15754 - 15763

Published: Aug. 22, 2022

Asymmetric materials have attracted tremendous interest because of their intriguing physicochemical properties and promising applications, but endowing them with precisely controlled morphologies porous structures remains a formidable challenge. Herein, facile micelle anisotropic self-assembly approach on droplet surface is demonstrated to fabricate asymmetric carbon hemispheres jellyfish-like shape radial multilocular mesostructure. This synthesis follows an interface-energy-mediated nucleation growth mechanism, which allows easy control the micellar behaviors from isotropic modes. Furthermore, structure can also be systematically manipulated by selecting different amphiphilic triblock copolymers as template, resulting in diverse novel nanostructures, including eggshell, lotus, jellyfish, mushroom-shaped architectures. The unique possess large open mesopores (∼14 nm), high area (∼684 m2 g-1), abundant nitrogen dopants (∼6.3 wt %), core-shell mesostructure and, result, manifest excellent sodium-storage performance both half full-cell configurations. Overall, our provides new insights inspirations for exploring sophisticated nanostructures many potential applications.

Language: Английский

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Versatile carbon superstructures for energy storage

Journal of Materials Chemistry A, Journal Year: 2023, Volume and Issue: 11(24), P. 12434 - 12455

Published: Jan. 1, 2023

The design strategies and underlying mechanisms of versatile carbon superstructures for energy storage are reviewed. Current challenges development roadmaps proposed to spur the further exploration superstructures.

Language: Английский

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Multilevel Hollow Phenolic Resin Nanoreactors with Precise Metal Nanoparticles Spatial Location toward Promising Heterogeneous Hydrogenations

Advanced Materials, Journal Year: 2022, Volume and Issue: 34(43)

Published: Aug. 24, 2022

Abstract Hollow nanostructures with fascinating properties have inspired numerous interests in broad research fields. Cell‐mimicking complex hollow architectures precise active components distributions are particularly important, while their synthesis remains highly challenging. Herein, a “top‐down” chemical surgery strategy is introduced to engrave the 3‐aminophenol formaldehyde resin (APF) spheres at nanoscale. Undergoing cleavage of (Ar)CN bonds ethanol as scissors and subsequent repolymerization process, Solid APF transform multilevel architecture nanospatial distribution organic functional groups (e.g., hydroxymethyl amine). The transformation tracked by electron microscopy solid‐state nuclear magnetic resonance techniques, category dosage alcohol pivotal for constructing structures. Moreover, it demonstrated evolution accompanied unique microenvironments able accurately confine multiple gold (Au) nanoparticles, leading formation pomegranate‐like particles. Through selectively depositing palladium ( Pd) nanoparticles onto outer shell, bimetallic Au@APF@Pd catalysts formed, which exhibit excellent hydrogenation performance turnover frequency (TOF) value up 11257 h –1 . This work provides an effective method precisely manipulating nanostructure composition polymers nanoscale sheds light on design spatial components.

Language: Английский

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