Chemosphere, Journal Year: 2021, Volume and Issue: 286, P. 131710 - 131710
Published: July 28, 2021
Language: Английский
Journal of the American Chemical Society, Journal Year: 2022, Volume and Issue: 144(46), P. 21328 - 21336
Published: Nov. 9, 2022
Artificial photosynthesis of H2O2 from O2 reduction provides an energy-saving, safe, and green approach. However, it is still critical to develop highly active selective 2e– oxygen reaction photocatalysts for efficient production owing the unsatisfactory productivity. Herein, two new two-dimensional piperazine-linked CoPc-based covalent organic frameworks (COFs), namely, CoPc-BTM-COF CoPc-DAB-COF, were afforded nucleophilic substitution hexadecafluorophthalocyaninato cobalt(II) (CoPcF16) with 1,2,4,5-benzenetetramine (BTM) or 3,3′-diaminobenzidine (DAB). Powder X-ray diffraction analysis in combination electron microscopy a series spectroscopic technologies reveals their crystalline porous framework fully conjugated structure eclipsed π-stacking model. Ultraviolet–visible diffuse reflectance absorption spectra unveil excellent light capacity wide range 400–1000 nm. This, together enhanced photo-induced charge separation transport efficiency as disclosed by photocurrent response photoluminescence measurements, endows as-prepared COFs superior photocatalytic activity toward O2-to-H2O2 conversion under visible-light irradiation (λ > 400 nm). In particular, exhibits record-high yield 2096 μmol h–1 g–1 among COF-based impressive apparent quantum 7.2% at 630 The present result should be helpful fabricating high-performance low-cost visible-light-driven photosynthesis.
Language: Английский
Citations
254
Deleted Journal, Journal Year: 2022, Volume and Issue: 1, P. e9120009 - e9120009
Published: May 26, 2022
With the increasing demand for fuel causing serious environmental pollution, it is urgent to develop new and environmentally friendly energy conversion devices. These devices, however, require good, inexpensive materials electrodes so on. The multifunctional properties of porphyrins enable framework (e.g., metal-organic frameworks covalent organic frameworks) be applied in devices due their simple synthesis, high chemical stability, abundant metallic active sites, adjustable crystalline structure specific surface area. Herein, types porphyrin structural blocks are briefly reviewed. They can used as ligands or directly assembled with generate high-performance electro-/photo-catalysts. catalysts electro-/photo-catalytic water splitting, carbon dioxide reduction, electrocatalytic oxygen reduction also summarized introduced. At end article, we present challenges porphyrin-based above application corresponding solutions. We expect flourish coming years.
Language: Английский
Citations
222
Chemical Society Reviews, Journal Year: 2022, Volume and Issue: 51(15), P. 6307 - 6416
Published: Jan. 1, 2022
This review highlights the recent advances of metalated covalent organic frameworks, including synthetic strategies and applications, discusses current challenges future directions.
Language: Английский
Citations
221
Chemical Society Reviews, Journal Year: 2021, Volume and Issue: 50(20), P. 11684 - 11714
Published: Jan. 1, 2021
This review article specifically highlights the synthetic strategies and promising applications of macrocycle-derived hierarchical porous organic polymers (POPs).
Language: Английский
Citations
138
Coordination Chemistry Reviews, Journal Year: 2022, Volume and Issue: 464, P. 214563 - 214563
Published: April 22, 2022
Language: Английский
Citations
136
Coordination Chemistry Reviews, Journal Year: 2023, Volume and Issue: 490, P. 215210 - 215210
Published: May 21, 2023
Language: Английский
Citations
134
Coordination Chemistry Reviews, Journal Year: 2021, Volume and Issue: 438, P. 213873 - 213873
Published: March 19, 2021
Language: Английский
Citations
126
Chemical Society Reviews, Journal Year: 2023, Volume and Issue: 52(22), P. 7949 - 8004
Published: Jan. 1, 2023
Photocatalytic organic reactions, harvesting solar energy to produce high value-added chemicals, have attracted increasing attention as a sustainable approach address the global crisis and environmental issues. Reticular framework materials, including metal-organic frameworks (MOFs) covalent (COFs), are widely considered promising candidates for photocatalysis owing their crystallinity, tailorable pore environment extensive structural diversity. Although design synthesis of MOFs COFs been intensively developed in last 20 years, applications photocatalytic transformations still preliminary stage, making systematic summary necessary. Thus, this review aims provide comprehensive understanding useful guidelines exploration suitable MOF COF photocatalysts towards appropriate reactions. The commonly used reactions categorized facilitate identification reaction types. From practical viewpoint, fundamentals experimental design, active species, performance evaluation external conditions, discussed detail easy experimentation. Furthermore, latest advances COFs, composites, comprehensively summarized according actual sites, together with discussion structure-property relationship. We believe that study will be helpful researchers novel reticular various synthetic applications.
Language: Английский
Citations
108
Bioactive Materials, Journal Year: 2022, Volume and Issue: 21, P. 358 - 380
Published: Sept. 14, 2022
Nanomedicines for drug delivery and imaging-guided cancer therapy is a rapidly growing research area. The unique properties of nanomedicines have massive potential in solving longstanding challenges existing drugs, such as poor localization at the tumor site, high doses toxicity, recurrence, immune response. However, inadequate biocompatibility restricts their clinical translation. Therefore, advanced nanomaterials with enhanced therapeutic efficiency are highly desired to fast-track translation nanomedicines. Intrinsic nanoscale covalent organic frameworks (nCOFs), suitable size, modular pore geometry porosity, straightforward post-synthetic modification via simple transformations, make them incredibly attractive future ability COFs disintegrate slightly acidic microenvironment also gives competitive advantage targeted delivery. This review summarizes recently published applications delivery, photo-immuno therapy, sonodynamic photothermal chemotherapy, pyroptosis, combination therapy. Herein we mainly focused on modifications enhance biocompatibility, efficacy will provide fundamental knowledge designing biocompatible nCOFs-based help rapid development carriers theranostics.
Language: Английский
Citations
89
Advanced Materials, Journal Year: 2022, Volume and Issue: 34(44)
Published: Sept. 11, 2022
Abstract Porous heterostructured electrocatalysts with multifunctionality and synergistic effect have much benefit for efficient electrocatalytic CO 2 reduction reaction (CO RR), yet it still remains a daunting challenge to explore heterostructures based on covalent organic frameworks (COFs) metal–organic (MOFs) in this field. Here, series of honeycomb‐like porous crystalline hetero‐electrocatalysts (MCH‐ X , = 1–4, stands the numbered sample obtained from different MOF doses synthesis MCH) are synthesized, these successfully applied RR. The specially designed integrated MOF‐template ultrathin COF‐coating enable adsorption/activation conversion into CH 4 . best them, MCH‐3, shows greatly inhibited H evolution, excellent current density (−398.1 mA cm −2 ), superior (76.7%) physical mixture (38.0%), MOF@COF without morphology (47.7%), bare COF (37.5%) (15.9%) at −1.0 V. Based functional theory calculations various characterizations, vital roles facilitating adsorption/activation, stabilizing intermediates, conquering energy barrier rate‐determining step intensively studied.
Language: Английский
Citations
80