Ion-Induced Delamination of Layered Bulk Metal–Organic Frameworks into Ultrathin Nanosheets for Boosting the Oxygen Evolution Reaction

Huang, Jin; Wu, Ji‐Qing; Lei, Lei; Lan, Bi‐Liu; Yang, Fu-Jie; Sun, Yao; Tan, Xiaoqiong; He, Chun‐Ting; Zhang, Zhong

doi:10.1021/acssuschemeng.0c03376

Cited by 20 publications

(13 citation statements)

References 52 publications

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“…Metal organic frameworks (MOFs) have shown excellent electrocatalytic activity for OER [1053][1054][1055][1056][1057] . MOFs are consisted of metal atom node and organic ligand with periodic units' structures.…”

Section: Metal Organic Frameworkmentioning

confidence: 99%

Recent Progress on Two-Dimensional Materials

Chang¹,

Chen²,

Chen³

et al. 2021

Acta Physico Chimica Sinica

309

119

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Research on two-dimensional (2D) materials has been explosively increasing in last seventeen years in varying subjects including condensed matter physics, electronic engineering, materials science, and chemistry since the mechanical exfoliation of graphene in 2004. Starting from graphene, 2D materials now have become a big family with numerous members and diverse categories. The unique structural features and physicochemical properties of 2D materials make them one class of the most appealing candidates for a wide range of potential applications.In particular, we have seen some major breakthroughs made in the field of 2D materials in last five years not only in developing novel synthetic methods and exploring new structures/properties but also in identifying innovative applications and pushing forward commercialisation. In this review, we provide a critical summary on the recent progress made in the field of 2D materials with a particular focus on last five years. After a brief background 物理化学学报 Acta Phys. -Chim. Sin. 2021, 37 (12), 2108017 (3 of 151) introduction, we first discuss the major synthetic methods for 2D materials, including the mechanical exfoliation, liquid exfoliation, vapor phase deposition, and wet-chemical synthesis as well as phase engineering of 2D materials belonging to the field of phase engineering of nanomaterials (PEN). We then introduce the superconducting/optical/magnetic properties and chirality of 2D materials along with newly emerging magic angle 2D superlattices. Following that, the promising applications of 2D materials in electronics, optoelectronics, catalysis, energy storage, solar cells, biomedicine, sensors, environments, etc. are described sequentially. Thereafter, we present the theoretic calculations and simulations of 2D materials. Finally, after concluding the current progress, we provide some personal discussions on the existing challenges and future outlooks in this rapidly developing field.

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Section: Metal Organic Frameworkmentioning

confidence: 99%

Recent Progress on Two-Dimensional Materials

Chang¹,

Chen²,

Chen³

et al. 2021

Acta Physico Chimica Sinica

309

119

View full text Add to dashboard Cite

show abstract

“…In comparison with MONs based on single metals, enhanced OER activity are observed for bimetal MONs. [31,32,[84][85][86][87][88][89][90][91][92][93][94][95][96] While direct synthesis of bimetal MON systems involves simultaneous use of different metal precursors or metal-doping, layered double hydroxides can also be used as starting materials. The improved intrinsic activity generated by the incorporation of the bimetallic sites in periodic arrangement was attributed to the enhancement OER activity in bimetal MONs.…”

Section: Oxygen Evolution Reactionmentioning

confidence: 99%

Metal–Organic Framework Nanosheets: Programmable 2D Materials for Catalysis, Sensing, Electronics, and Separation Applications

Nicks¹,

Sasitharan²,

Prasad³

et al. 2021

Adv Funct Materials

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offers advantages over simple inorganic nanosheets in that a diverse range of physical and chemical properties can be programmed into their crystalline structure (Figure 1). This distinct combination of properties makes MONs ideal for a wide range of catalysis, sensing, electronics, and separation applications which will be the focus of this review.Much of the early literature in this field focused on the development of novel MON architectures and new routes towards their synthesis. A diverse range of different metal ions and organic linkers have been used to construct MONs. [4] However the field has rapidly converged on a handful of popular secondary building units (SBUs) which dominate much of the literature thanks to their reliable formation of high aspect ratio nanosheets. Popular classes of MONs that have been widely applied by different groups in applications include those based on the metal paddlewheel (PW) motif, [5][6][7] axially capped Zr and Hf clusters, [8][9][10][11] 2D zeolitic imidazolate frameworks (ZIFs), [12][13][14] and square planar Ni, Co, and Cu SBUs. [15][16][17][18] The modular structure of MONs, ease of functionalization and diverse range of materials they can be combined with means that MONs can be readily "programmed" to provide the desired topology and properties required for a given application.A wide variety of methods have been explored to synthesize MONs, either "top-down" by the exfoliation of layered metalorganic frameworks (MOFs) or "bottom-up" by assembly of molecular building blocks directly into nanosheets. The majority of top-down approaches utilize mechanical energy to overcome inter-layer interactions, such as liquid-assisted ultrasonication, [19] shear-mixing, [20] and grinding/ball-milling, [13] or the less common freeze-thaw [21] and "scotch-tape" methods. [22,23] Other methods involving photochemical, [24] electrochemical, [25] and chemical intercalation, [26] have also been developed but are less widely used. Bottom-up methodologies typically utilize surfactants or modulators to inhibit crystal growth in one dimension, [12,27,28] or layering/interfacial methods to promote anisotropic growth. [15,29,30] The use of sacrificial 2D templates has also recently emerged a promising route. [31,32] Each approach has advantages and disadvantages in terms of the thickness, lateral dimensions, size distribution, quantity and quality of the MONs produced, and the best approach therefore varies depending on the application.

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“…The specific physicochemical properties and geometries of the selected metal nodes and organic ligands provide these assemblies with a wide range of applications in catalysis, gas storage and separation, sensing, magnetic materials, and controlled drug delivery. [1][2][3][4][5][6][7][8] The majority of studies on metal-organic assemblies have focused on homometallic metal-organic motifs containing either 3d transition or 4f lanthanide metals. These motifs have been commonly formed from metal ions/clusters with di/poly-topic organic linkers through metal-ligand coordination assembly.…”

Section: Introductionmentioning

confidence: 99%