Results 31 to 40 of about 2,493,217 (300)

Hybrid Porous Crystalline Materials from Metal Organic Frameworks and Covalent Organic Frameworks

open access: yesAdvanced Science, 2021
Two frontier crystalline porous framework materials, namely, metal‐organic frameworks (MOFs) and covalent organic frameworks (COFs), have been widely explored owing to their outstanding physicochemical properties. While each type of framework has its own
Ziman Chen   +6 more
doaj   +1 more source

H-2 Evolution with Covalent Organic Framework Photocatalysts [PDF]

open access: yes, 2018
Covalent organic frameworks (COFs) are a new class of crystalline organic polymers that have garnered significant recent attention as highly promising H-2 evolution photocatalysts.
Savasci, Goekcen   +9 more
core   +1 more source

Editing Light Emission with Stable Crystalline Covalent Organic Frameworks via Wall Surface Perturbation [PDF]

open access: yes, 2021
The ordered π skeletons of covalent organic frameworks make them viable light-emitting materials but their limited tunability has precluded further implementation.
Keyu Geng   +15 more
core   +1 more source

In Silico Discovery of Covalent Organic Frameworks for Carbon Capture [PDF]

open access: yes, 2020
We screen a database of more than 69,000 hypothetical covalent organic frameworks (COFs) for carbon capture, using parasitic energy as a metric. In order to compute CO2-framework interactions in molecular simulations, we develop a genetic algorithm to ...
Aliaksandr V., Yakutovich   +7 more
core   +2 more sources

Topology-Mediated Enhanced Polaron Coherence in Covalent Organic Frameworks [PDF]

open access: yes, 2021
We employ the Holstein model for polarons to investigate the relationship among defects, topology, Coulomb trapping, and polaron delocalization in covalent organic frameworks (COFs). We find that intra-sheet topological connectivity and pi-column density
Raja , Ghosh, Francesco, Paesani
core   +2 more sources

Chiral induction in covalent organic frameworks

open access: yesNature Communications, 2018
Controlling chirality and function in metal organic frameworks has been an achievement, but very difficult to carry out in covalent organic frameworks. Here the authors show chiral covalent organic frameworks that are crystallized from achiral precursors
Xing Han   +6 more
doaj   +1 more source

Exploring the phase stability in interpenetrated diamondoid covalent organic frameworks

open access: yesCommunications Chemistry, 2023
While stimuli-responsive metal-organic frameworks have been widely investigated, much less is understood about structural flexibility in their covalent counterparts.
Sander Borgmans   +4 more
doaj   +1 more source

Three-Dimensional Covalent Organic Frameworks with nia Nets for Efficient Separation of Benzene/Cyclohexane Mixtures [PDF]

open access: yes, 2023
The synthesis of three-dimensional (3D) covalent organic frameworks (COFs) with highly connected building blocks presents a significant challenge. In this study, we report two novel 3D COFs with the nia topology, named JUC-641 and JUC-642, by introducing
Liangkui, Zhu   +10 more
core   +2 more sources

Properties of Metal-Doped Covalent Organic Frameworks and Their Interactions with Sulfur Dioxide

open access: yesJournal of Chemistry, 2018
Covalent organic frameworks are unique for their highly open architecture and attractive for use as promising gas adsorption and storage carriers. In this work, density functional theory calculations have been performed to investigate the properties of ...
Ju Wang   +4 more
doaj   +1 more source

Reticular Growth of Graphene Nanoribbon 2D Covalent Organic Frameworks [PDF]

open access: yes, 2019
Synthesis and characterization covalent organic frameworks (COFs) from a small molecule diamine and polydisperse cove type GNRs (c-GNRs) functionalized with aldehydes.
Chenhui, Zhu   +7 more
core   +1 more source

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