Unlocking Synthesis of Polyhedral Oligomeric Silsesquioxane-Based Three-Dimensional Polycubane Covalent Organic Frameworks DOI
Guanyu Qiao, Xiaoxue Wang, Xiao Li

et al.

Journal of the American Chemical Society, Journal Year: 2024, Volume and Issue: 146(5), P. 3373 - 3382

Published: Jan. 25, 2024

Reticular chemistry effectively yields porous structures with distinct topological lattices for a broad range of applications. Polyhedral oligomeric silsesquioxane (POSS)-based octatopic building blocks rare Oh symmetric configuration and attracting inorganic features have great potential creating three-dimensional (3D) covalent organic frameworks (COFs) new topologies. However, the intrinsic flexibility intensive motion cubane-type POSS molecules make construction 3D regular challenging. Herein, by fastening three or four cores per aromatic rigid linker from rational steric directions, we successfully developed serial crystalline COFs unpresented "the" scu Both experimental theoretical results proved formation target POSS-based COFs. The resultant hybrid networks designable chemical skeletons high surface areas maintain superiorities both components, such as their compatibility salts, abundant periodic electroactive sites, excellent thermal stability, open multilevel nanochannels. Consequently, polycubane could serve outstanding solid electrolytes ionic conductivity 1.23 × 10–4 S cm–1 lithium-ion transference number 0.86 at room temperature. This work offers pathway to generate ordered multiconnected flexible cube motifs enrich topologies

Language: Английский

Three-dimensional covalent organic framework with tty topology for enhanced photocatalytic hydrogen peroxide production DOI
Miaomiao Wu, Zhen Shan, Jinjian Wang

et al.

Chemical Engineering Journal, Journal Year: 2022, Volume and Issue: 454, P. 140121 - 140121

Published: Nov. 1, 2022

Language: Английский

Citations

77
Porous framework materials for energy & environment relevant applications: A systematic review DOI Creative Commons

Yutao Liu,

Liyu Chen, Lifeng Yang

et al.

Green Energy & Environment, Journal Year: 2023, Volume and Issue: 9(2), P. 217 - 310

Published: Jan. 3, 2023

Carbon peaking and carbon neutralization trigger a technical revolution in energy & environment related fields. Development of new technologies for green production storage, industrial saving efficiency reinforcement, capture, pollutant gas treatment is highly imperious demand. The emerging porous framework materials such as metal–organic frameworks (MOFs), covalent organic (COFs) hydrogen-bonded (HOFs), owing to the permanent porosity, tremendous specific surface area, designable structure customizable functionality, have shown great potential major energy-consuming processes, including sustainable catalytic conversion, energy-efficient separation storage. Herein, this manuscript presents systematic review global comprehensive applications, from macroscopic application perspective.

Language: Английский

Citations

77
Covalent organic frameworks for CO2 capture: from laboratory curiosity to industry implementation DOI
He Li,

Akhil Dilipkumar,

Saifudin Abubakar

et al.

Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 52(18), P. 6294 - 6329

Published: Jan. 1, 2023

Synergistic developments of covalent organic frameworks and engineering processes can expedite the qualitative leap for net-zero carbon emissions.

Language: Английский

Citations

73
Kilogram-Scale Fabrication of a Robust Olefin-Linked Covalent Organic Framework for Separating Ethylene from a Ternary C2 Hydrocarbon Mixture DOI
Zhifang Wang, Yushu Zhang, En Lin

et al.

Journal of the American Chemical Society, Journal Year: 2023, Volume and Issue: 145(39), P. 21483 - 21490

Published: Sept. 22, 2023

One-step adsorptive purification of ethylene (C2H4) from a ternary mixture acetylene (C2H2), C2H4, and ethane (C2H6) by single material is great importance but challenging in the petrochemical industry. Herein, chemically robust olefin-linked covalent organic framework (COF), NKCOF-62, designed synthesized melt polymerization method employing tetramethylpyrazine terephthalaldehyde as cheap monomers. This avoids most disadvantages classical solvothermal methods, which enable cost-effective kilogram fabrication COFs one pot. Furthermore, NKCOF-62 shows remarkably selective adsorption C2H2 C2H6 over C2H4 thanks to its unique pore environments suitable size. Breakthrough experiments demonstrate that polymer-grade can be directly obtained C2H2/C2H6/C2H4 (1/1/1) mixtures through separation process. Notably, first demonstration potential use for separation, provides blueprint design construction industrial gas separations.

Language: Английский

Citations

65
Recent Progress on Phase Engineering of Nanomaterials DOI
Qinbai Yun, Yiyao Ge, Zhenyu Shi

et al.

Chemical Reviews, Journal Year: 2023, Volume and Issue: 123(23), P. 13489 - 13692

Published: Nov. 14, 2023

As a key structural parameter, phase depicts the arrangement of atoms in materials. Normally, nanomaterial exists its thermodynamically stable crystal phase. With development nanotechnology, nanomaterials with unconventional phases, which rarely exist their bulk counterparts, or amorphous have been prepared using carefully controlled reaction conditions. Together these methods are beginning to enable engineering (PEN), i.e., synthesis phases and transformation between different obtain desired properties functions. This Review summarizes research progress field PEN. First, we present representative strategies for direct modulation diverse kinds nanomaterials. We cover ranging from metal nanostructures such as Au, Ag, Cu, Pd, Ru, alloys; oxides, borides, carbides; transition dichalcogenides (TMDs) 2D layered review growth wet-chemical reduction seed-mediated epitaxial chemical vapor deposition (CVD), high pressure transformation, electron ion-beam irradiation. After that, summarize significant influence on various unconventional-phase also discuss potential applications developed areas including catalysis, electrochemical energy storage (batteries supercapacitors), solar cells, optoelectronics, sensing. Finally, existing challenges future directions

Language: Английский

Citations

64
Record Ultralarge‐Pores, Low Density Three‐Dimensional Covalent Organic Framework for Controlled Drug Delivery** DOI Creative Commons
Yu Zhao, Saikat Das,

Taishu Sekine

et al.

Angewandte Chemie International Edition, Journal Year: 2023, Volume and Issue: 62(13)

Published: Jan. 23, 2023

Abstract The unique structural characteristics of three‐dimensional (3D) covalent organic frameworks (COFs) like high surface areas, interconnected pore system and readily accessible active sites render them promising platforms for a wide set functional applications. Albeit promising, the reticular construction 3D COFs with large pores is very demanding task owing to formation interpenetrated frameworks. Herein we report designed synthesis non‐interpenetrated stp net COF, namely TUS‐64, largest size all (47 Å) record‐low density (0.106 g cm −3 ) by reticulating 6‐connected triptycene‐based linker 4‐connected porphyrin‐based linker. Characterized highly mesoporous scaffold good stability, TUS‐64 shows efficient drug loading controlled release five different drugs in simulated body fluid environment, demonstrating competency as nanocarriers.

Language: Английский

Citations

60
Three-dimensional covalent organic frameworks with pto and mhq-z topologies based on Tri- and tetratopic linkers DOI Creative Commons
Dongyang Zhu, Yifan Zhu, Yu Chen

et al.

Nature Communications, Journal Year: 2023, Volume and Issue: 14(1)

Published: May 19, 2023

Three-dimensional (3D) covalent organic frameworks (COFs) possess higher surface areas, more abundant pore channels, and lower density compared to their two-dimensional counterparts which makes the development of 3D COFs interesting from a fundamental practical point view. However, construction highly crystalline COF remains challenging. At same time, choice topologies in is limited by crystallization problem, lack availability suitable building blocks with appropriate reactivity symmetries, difficulties structure determination. Herein, we report two pto mhq-z designed rationally selecting rectangular-planar trigonal-planar conformational strains. The show large size 46 Å an extremely low calculated density. net topology solely constructed totally face-enclosed polyhedra displaying precise uniform micropore 1.0 nm. high CO2 adsorption capacity at room temperature can potentially serve as promising carbon capture adsorbents. This work expands accessible topologies, enriching structural versatility COFs.

Language: Английский

Citations

56
Polymeric nanoparticles (PNPs) for oral delivery of insulin DOI Creative Commons
Yunyun Wang, Hao Li, Aamir Rasool

et al.

Journal of Nanobiotechnology, Journal Year: 2024, Volume and Issue: 22(1)

Published: Jan. 3, 2024

Abstract Successful oral insulin administration can considerably enhance the quality of life (QOL) diabetes patients who must frequently take injections. Oral administration, on other hand, is seriously hampered by gastrointestinal enzymes, wide pH range, mucus and mucosal layers, which limit bioavailability to ≤ 2%. Therefore, a large number technological solutions have been proposed increase insulin, in polymeric nanoparticles (PNPs) are highly promising for delivery. The recently published research articles chosen this review based applications PNPs with strong future potential delivery, do not cover all related work. In review, we will summarize controlled release mechanisms latest delivery nanocarrier, challenges prospect. This serve as guide investigators wish engineer study systems. Graphical

Language: Английский

Citations

56
Non‐Interpenetrated 3D Covalent Organic Framework with Dia Topology for Au Ions Capture DOI
Minghao Liu,

Hui‐Yuan Kong,

Shuai Bi

et al.

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

Published: April 23, 2023

Abstract The 3D covalent organic frameworks (COFs) have attracted considerable attention owing to their unique structural characteristics. However, most of COFs interpenetration phenomena, which will result in decreased surface area and porosities, thus limited applications molecular/gas capture. Developing with non‐fold is challenging but significant because the existence non‐covalent interactions between adjacent nets. Herein, a new COF (BMTA‐TFPM‐COF) dia topology for Au ion capture first demonstrated. constructed exhibits high Brunauer–Emmett–Teller 1924 m 2 g −1 , pore volume 1.85 cm 3 . abundant cavities as well exposed CN linkages due non‐interpenetration enable absorb 3+ capacity (570.18 mg ), selectivity (99.5%), efficiency (68.3% adsorption maximum 5 min). This work provides strategy design

Language: Английский

Citations

52
Revolutionizing the structural design and determination of covalent–organic frameworks: principles, methods, and techniques DOI
Yikuan Liu, Xiaona Liu, An Su

et al.

Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 53(1), P. 502 - 544

Published: Dec. 15, 2023

Covalent organic frameworks (COFs) represent an important class of crystalline porous materials with designable structures and functions. The interconnected monomers, featuring pre-designed symmetries connectivities, dictate the COFs, endowing them high thermal chemical stability, large surface area, tunable micropores. Furthermore, by utilizing pre-functionalization or post-synthetic functionalization strategies, COFs can acquire multifunctionalities, leading to their versatile applications in gas separation/storage, catalysis, optoelectronic devices. Our review provides a comprehensive account latest advancements principles, methods, techniques for structural design determination COFs. These cutting-edge approaches enable rational precise elucidation COF structures, addressing fundamental physicochemical challenges associated host-guest interactions, topological transformations, network interpenetration, defect-mediated catalysis.

Language: Английский

Citations

46