Exploring Multifunctional Hydrogen-Bonded Organic Framework Materials

Accounts of Chemical Research, Journal Year: 2022, Volume and Issue: 55(24), P. 3752 - 3766

Published: Dec. 1, 2022

ConspectusHydrogen-bonded organic framework (HOF) materials have provided a new dimension and bright promise as platform for developing multifunctional materials. They can be readily self-assembled from their corresponding molecules with diverse functional sites such carboxylic acid amine groups hydrogen bonding aromatic ones weak π···π interactions to stabilize the frameworks. Compared those established porous zeolites, metal–organic frameworks (MOFs), covalent–organic (COFs), it is much more difficult HOFs thus establish permanent porosities given fact that bonds are typically weaker than ionic, coordination, covalent bonds. But provides uniqueness of HOF in which they easily recovered regenerated through simple recrystallization. also straightforwardly processed very compatible biomolecules, making them potentially useful industrial biomedical applications. The reversible nature utilized construct flexible we tune temperature pressure control and, thus, applications, example, on gas separations, storage, drug delivery, sensing. Some specific quite directional bond formations; prefers form dimer, has enabled us reticular whose pores systematically tuned. In this Account, outline our journey exploring type material by establishing one first 2011 its We been able use different sites, including 2,4-diaminotriazine (DAT), (COOH), aldehyde (CHO), cyano (CN), HOFs. Through tuning pore sizes, introducing binding flexibility, realized series separations C2H2/C2H4, C2H4/C2H6, C3H6/C3H8, C2H2/CO2, CO2/N2, Xe/Kr enantioselective separation alcohols. To make optically active molecules, developed luminescent sensing optical lasing. Our research endeavors initiated extensive emerging topic among chemistry sciences communities. foresee not only many will but novel functions fulfilled beyond imaginations soon.

Language: Английский

---

Hydrogen-bonded organic frameworks: design, applications, and prospects

Materials Advances, Journal Year: 2022, Volume and Issue: 3(9), P. 3680 - 3708

Published: Jan. 1, 2022

Hydrogen-bonded organic frameworks (HOFs) are crystalline porous polymers which formed by the interaction of hydrogen bonding among building blocks. Unique advantages HOFs, enabling new platforms for exploring multifunctional applications.

Language: Английский

---

Recent Advances in Luminescent Hydrogen‐Bonded Organic Frameworks: Structures, Photophysical Properties, Applications

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(41)

Published: Sept. 13, 2022

Abstract Hydrogen‐bonded organic frameworks (HOFs) have aroused interest due to their applications in gas storage and separation proton conduction. Much effort has been focused on developing stable HOFs with permanent porosity. Recently, more attention paid the development of luminescent HOFs. At present, a systematic study is lacking. Here, recent advances are highlighted. The construction HOFs, properties corresponding discussed detail. According properties, can be divided into fluorescent room‐temperature phosphorescent In addition, color‐tunable luminescence, stimuli‐responsive or mechanoluminescence also introduced at great length. These distinctive features endow wide chemical sensing, microlasers, oxygen data encryption, so on. This review not only provides basic principle designing but points out research perspectives future. lays foundation for thus broadening enriching porous materials.

Language: Английский

---

Stimulus-responsive hydrogen-bonded organic frameworks: Construction strategies, research progress and applications

Coordination Chemistry Reviews, Journal Year: 2024, Volume and Issue: 507, P. 215760 - 215760

Published: March 5, 2024

Language: Английский

---

Hydrogen‐Bonded Organic Frameworks as an Appealing Platform for Luminescent Sensing

Advanced Functional Materials, Journal Year: 2024, Volume and Issue: 34(26)

Published: April 19, 2024

Abstract Hydrogen‐bonded organic frameworks (HOFs), a novel subclass of porous crystalline materials self‐assembled from linkers through hydrogen bonding and other intermolecular interactions, have emerged as an exciting platform for developing multifunctional materials. Recently, luminescent HOF sensors drawn considerable attention due to their unique advantages, such hydrogen‐bonding flexibility, inherent centers in linkers, ease functionalization, low density toxicity, good stability. However, comprehensive study on the design strategies, functionalities, applications HOFs sensing is lacking. In this review, uniqueness development are outlined. The principles strategies enable performance summarized, including pre‐design post‐modification with additional species. state‐of‐the‐art advances diverse overviewed, detection chemical pollutants, biomolecules, gases, physical factors like temperature mechanical forces. Moreover, current challenges corresponding potential avenues discussed. This review aims inspire more innovative research fabrication advanced functions.

Language: Английский

---

Recent advancements of photo- and electro-active hydrogen-bonded organic frameworks

Science China Chemistry, Journal Year: 2022, Volume and Issue: 65(11), P. 2077 - 2095

Published: July 19, 2022

Language: Английский

---

Click Chemistry for the Preparation of β-Cyclodextrin Grafting Uniform Spherical Covalent Organic Framework Materials for Chiral Separation

Chemistry of Materials, Journal Year: 2023, Volume and Issue: 35(2), P. 609 - 616

Published: Jan. 9, 2023

Covalent organic framework (COF) as a kind of crystalline porous material possesses intriguing advantages, including low density, large surface area, permanent porosity, and excellent chemical stability. This novel has shown great potential in the development chromatographic stationary-phase materials. In this work, room-temperature solvothermal method was utilized to yield uniformly spherical COF-modified silica named Sil-COF. Then, thiol-ene click chemistry further used modify thiolated β-cyclodextrin on Sil-COF composite for chiral separation called Sil-COF-CD. A series characterization methods were performed identify successful construction three types nonpolar substances realized baseline column. addition, 2-phenylpropionic acid 1-phenyl-1-propanol selected model enantiomers recognition capability Sil-COF-CD commercial β-CD columns compared confirm superiority prepared both possessed good repeatability. The results open new avenue apply COF preparation HPLC stationary phase.

Language: Английский

---

2D Cd-MOF and its mixed-matrix membranes for luminescence sensing antibiotics in various aqueous systems and visible fingerprint identifying

Chinese Chemical Letters, Journal Year: 2023, Volume and Issue: 34(11), P. 108227 - 108227

Published: Feb. 16, 2023

Language: Английский

---

Hydrogen‐Bonded Organic Frameworks Based on Endless‐Stacked Amides for Iodine Capture and Detection

Advanced Functional Materials, Journal Year: 2023, Volume and Issue: 34(12)

Published: Dec. 10, 2023

Abstract Recently, hydrogen‐bonded organic frameworks (HOFs) have emerged as a rapidly advancing class of porous materials with significant potential for applications in the absorption and detection various chemicals. Here, unique ability amide groups to form endless‐stacking H‐bonds is implemented design HOFs. Starting from benzene‐1,3,5‐tricarboxamide amide‐containing tribenzocyclynes foundational building blocks, diverse range HOFs featuring 1D, 2D, or 3D has been synthesized. Among those, all three HOFs, HOF_B‐Hex, HOF_T‐Pr HOF_T‐Hex exhibited permanent porosity, thereby demonstrating effectiveness amide‐based strategy. Notably, stands out 42% pore volume an impressive iodine capture efficiency 6.4 g −1 . The capacity influenced not only by but also presence accessible π‐electrons within material (i.e., electrons engaged π–π stacking interaction. Furthermore, some these fluorescent responses positioning them highly promising both sensing iodine.

Language: Английский

---

Robust porous hydrogen-bonded organic frameworks: Synthesis and applications in gas adsorption and separation

Giant, Journal Year: 2023, Volume and Issue: 16, P. 100181 - 100181

Published: Aug. 6, 2023

Being an emerging family of crystalline porous materials, hydrogen-bonded organic frameworks (HOFs) are types ordered supramolecular structures that constructed from linkers (including those with organometallic units) via mainly hydrogen bonds. HOFs have now attracted increasing attention in various fields, owing to their valued features such as mild synthetic condition, convenient purification/recovery processes, high processibility and diverse functionality. Great potentials emerged for the field adsorption separation, especially purification light hydrocarbons crucial petrochemical industry. Their practical applications, however, is limited it rather difficult maintain architectures only through bonds after removing lattice solvent molecules. Several strategies hence been developed solve issue HOF structure fragility, including introduction stronger/different forms intermolecular interactions, adoption monomers rigid backbones, integration appropriate structural interpenetrations, formation cross-linked structures, etc. In this review, common constructing important role each method enhancing stability briefly introduced. Then, application robust gases adsorptions separations carefully summarized, well its mechanism analyzed detail perspective interactions among gas The current challenges future perspectives discussed respect urgent demands performance, which propose a broader vision developing novel functional materials.

Language: Английский

---