Hierarchical metal–organic framework nanoarchitectures for catalysis DOI Open Access
Bin Zhao, Ji Han, Bohan Liu

et al.

Chemical Synthesis, Journal Year: 2024, Volume and Issue: 4(3)

Published: July 8, 2024

Metal–organic frameworks (MOFs) have garnered significant attention in the field of catalysis due to their unique advantages such as diverse coordination geometry, variable metal nodes, and organic linkers, facilitating precise structural compositional control for achieving programmable catalytic functionalities. Although inherent microporous structure could provide excellent shape selectivity during catalysis, it typically impedes mass transfer process, thereby reducing use internal active sites overall efficiency. Additionally, employing single MOFs catalysts presents challenges complex reactions that require multifunctional sites. In recent years, considerable research efforts focused on designing constructing hierarchical nanostructured alleviate substrate diffusion limitations by introducing secondary nanopores, shortening distances via construction low-dimensional nanoarchitectures, integrating distinct with suitable functions. This review provides a comprehensive overview design, synthesis methods, formation mechanisms MOF-based nanostructures years. Subsequently, further highlights applications thermal electrocatalysis, photocatalysis, along relationship between performances. Finally, an outlook potential development directions hierarchically structured MOF nanocatalysts.

Language: Английский

A S‐Scheme MOF‐on‐MOF Heterostructure DOI Creative Commons

Ling Yuan,

Chaoqi Zhang,

Yingying Zou

et al.

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 33(20)

Published: Feb. 20, 2023

Abstract Constructing MOF‐on‐MOF heterojunction with elaborate charge transfer mechanism and interface is a promising strategy for improving the photocatalytic properties of MOFs. Herein, Step‐scheme (S‐scheme) MIL‐125‐NH 2 @CoFe Prussian blue analogue (PBA) reported first time. The heterostructure exhibits sandwich‐like morphology hollow CoFe PBA nanocages selectively assembled on top‐down surfaces nanocakes. Experimental findings theoretical simulation results reveal formation internal electric field via interfacial TiOCo bonds at heterojunction, providing driving force atomic transportation highway accelerating S‐scheme enhancing redox performance. Contributed further by structures increased active site exposure, designed significantly enhanced activity degradation various organic pollutants. This study provides insights toward rational design semiconducting MOF‐based heterojunctions improved properties.

Language: Английский

Citations

149

Space‐Confined Metal Ion Strategy for Carbon Materials Derived from Cobalt Benzimidazole Frameworks with High Desalination Performance in Simulated Seawater DOI Open Access
Shuai Cao, Yong Li,

Yijian Tang

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 35(23)

Published: March 29, 2023

Various metal ions with different valence states (Mg2+ , Al3+ Ca2+ Ti4+ Mn2+ Fe3+ Ni2+ Zn2+ Pb2+ Ba2+ Ce4+ ) are successfully confined in quasi-microcube shaped cobalt benzimidazole frameworks using a space-confined synthesis strategy. More importantly, series of derived carbon materials that confine obtained by high-temperature pyrolysis. Interestingly, the exhibited electric double-layer and pseudocapacitance properties because presence various states. Moreover, additional within may create new phases, which can accelerate Na+ insertion/extraction thus increase electrochemical adsorption. Density functional theory results showed Ti exhibit enhanced resulting from characteristic anatase crystalline phases TiO2 . The Ti-containing have an impressive desalination capacity (62.8 mg g-1 capacitive deionization (CDI) applications high cycling stability. This work provides facile synthetic strategy for confinement metal-organic supports further development seawater CDI.

Language: Английский

Citations

103

Metal–organic framework derivatives for promoted capacitive deionization of oxygenated saline water DOI
Xingtao Xu, Miharu Eguchi, Yusuke Asakura

et al.

Energy & Environmental Science, Journal Year: 2023, Volume and Issue: 16(5), P. 1815 - 1820

Published: Jan. 1, 2023

Metal–organic framework (MOF) derivatives, such as pyrolytic carbons, metal-containing and MOF-based hybrids, have been designed to replace conventionally used carbon materials for promoting capacitive deionization performance.

Language: Английский

Citations

102

Self-assembly of colloidal metal–organic framework (MOF) particles DOI Creative Commons
Javier Fonseca, Lingxin Meng, Inhar Imaz

et al.

Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 52(7), P. 2528 - 2543

Published: Jan. 1, 2023

Self-assembly of colloidal particles into ordered superstructures enables the development novel advanced materials for diverse applications such as photonics, electronics, sensing, energy conversion, storage, diagnosis, drug or gene delivery, and catalysis. Recently, polyhedral metal-organic framework (MOF) have been proposed promising to form superstructures, based on their stability, size-tunability, rich shapes, porosity multifunctionality. In this review, we present a comprehensive overview strategies self-assembly MOF different dimensionalities, highlighting some properties applications, sharing thoughts particles.

Language: Английский

Citations

90

Metal‐Organic Framework Materials in Perovskite Solar Cells: Recent Advancements and Perspectives DOI Creative Commons
Yuxuan Ye, Yongqi Yin, Yan Chen

et al.

Small, Journal Year: 2023, Volume and Issue: 19(25)

Published: March 18, 2023

Abstract Organic–inorganic hybrid perovskite solar cells (PSCs) are among the most promising candidates for next generation of photovoltaic devices because significant increase in their power conversion efficiency (PCE) from less than 10% to 25.7% past decade. The metal‐organic framework (MOF) materials owing unique properties, such as large specific surface area, abundant binding sites, adjustable nanostructures, and synergistic effects, used additives or functional layers enhance device performance long‐term stability PSCs. This review focuses on recent advancements applications MOFs as/in different performance, impact, advantages MOF integrated into absorber, electron transport layer, hole interfacial layer reviewed. In addition, applicability mitigate leakage Pb 2+ halide perovskites corresponding is discussed. concludes with perspectives further research directions employing

Language: Английский

Citations

62

Recent Progress in 2D Metal‐Organic Framework‐Related Materials DOI
Yun Xie, Xinyue Wu, Yuxin Shi

et al.

Small, Journal Year: 2023, Volume and Issue: 20(1)

Published: Aug. 29, 2023

Abstract 2D metal‐organic frameworks‐based (2D MOF‐related) materials benefit from variable topological structures, plentiful open active sites, and high specific surface areas, demonstrating promising applications in gas storage, adsorption separation, energy conversion, other domains. In recent years, researchers have innovatively designed multiple strategies to avoid the adverse effects of conventional methods on synthesis high‐quality MOFs. This review focuses latest advances creative techniques for MOF‐related both top‐down bottom‐up perspectives. Subsequently, are categorized summarized synthesizing composites their derivatives. Finally, current challenges highlighted faced by some targeted recommendations put forward inspire investigate more effective methods.

Language: Английский

Citations

50

Fabrication of Oriented Polycrystalline MOF Superstructures DOI Creative Commons
Mercedes Linares‐Moreau, Lea A. Brandner, Miriam De J. Velásquez-Hernández

et al.

Advanced Materials, Journal Year: 2023, Volume and Issue: 36(1)

Published: Nov. 28, 2023

Abstract The field of metal‐organic frameworks (MOFs) has progressed beyond the design and exploration powdery single‐crystalline materials. A current challenge is fabrication organized superstructures that can harness directional properties individual constituent MOF crystals. To date, progress in methods polycrystalline led to close‐packed structures with defined crystalline orientation. By controlling orientation, pore channels crystals be aligned along specific directions: these systems possess anisotropic including enhanced diffusion directions, preferential orientation guest species, protection functional guests. In this perspective, we discuss status research oriented focusing on directions Three are examined detail: assembly from colloidal solutions, use external fields for alignment particles, heteroepitaxial ceramic‐to‐MOF growth. This perspective aims at promoting inspiring development new protocols preparation channels, enable advanced MOF‐based devices properties.

Language: Английский

Citations

49

Graphene oxide assisted assembly of superhydrophilic MOF-based membrane with 2D/3D hybrid nanochannels for enhanced water purification DOI

Lingya Fei,

Cheng Chen, Liguo Shen

et al.

Chemical Engineering Journal, Journal Year: 2023, Volume and Issue: 460, P. 141694 - 141694

Published: Feb. 9, 2023

Language: Английский

Citations

46

Pt Nanoparticle–Mn Single-Atom Pairs for Enhanced Oxygen Reduction DOI
Xiaoqian Wei, Shaojia Song, Weiwei Cai

et al.

ACS Nano, Journal Year: 2024, Volume and Issue: 18(5), P. 4308 - 4319

Published: Jan. 23, 2024

The intrinsic roadblocks for designing promising Pt-based oxygen reduction reaction (ORR) catalysts emanate from the strong scaling relationship and activity–stability–cost trade-offs. Here, a carbon-supported Pt nanoparticle Mn single atom (PtNP–MnSA/C) as in situ constructed PtNP–MnSA pairs are demonstrated to be an efficient catalyst circumvent above seesaws with only ∼4 wt % loadings. Experimental theoretical investigations suggest that MnSA functions not "assist" sites cooperatively facilitate dissociation of O2 due electronic polarization, affording dissociative pathway reduced H2O2 production, but also structure "modulator" downshift d-band center sites, alleviating overbinding oxygen-containing intermediates. More importantly, serves "stabilizer" endow PtNP–MnSA/C excellent structural stability low Fenton-like reactivity, resisting fast demetalation metal sites. As result, PtNPs–MnSA/C shows ORR performance half-wave potential 0.93 V vs reversible hydrogen electrode high mass activity 1.77 A/mgPt at 0.9 acid media, which is 19 times higher than commercial Pt/C declines by 5% after 80,000 cycles. Specifically, reaches power density 1214 mW/cm2 2.87 A/cm2 H2–O2 fuel cell.

Language: Английский

Citations

43

Design and engineering of 2D MXenes for point-of-care electrochemical detection of bioactive analytes and environmental pollutants DOI

Devarasu Mohanapriya,

Jitendra Satija, Sellappan Senthilkumar

et al.

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 507, P. 215746 - 215746

Published: Feb. 29, 2024

Language: Английский

Citations

33