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Structural engineering in hierarchical nanoarchitectures of metal-organic frameworks and their derivatives.
Nanoscale
October 2024
Guangdong Provincial Key Lab of Green Chemical Product Technology, School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510640, China.
Metal-organic frameworks (MOFs) have attracted much attention owing to their tuneable structures, high surface areas, and good functionalization. Nanoreactors derived from various MOFs are now widely used in heterogeneous catalysis, electrocatalysis and photocatalysis. The nanoarchitectures of MOFs and their derivatives have a great impact on mass and energy transfer pathways, thus affecting the activity and selectivity of the catalysts.
View Article and Find Full Text PDFFrom nano- to macroarchitectures: designing and constructing MOF-derived porous materials for persulfate-based advanced oxidation processes.
Chem Commun (Camb)
April 2024
Key Laboratory of New Membrane Materials, Ministry of Industry and information Technology, School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing 210094, P. R. China.
Article Synopsis
- Persulfate-based advanced oxidation processes (PS-AOPs) are effective for removing emerging organic contaminants in water, with metal-organic frameworks (MOFs) showing promise as catalysts for activating the necessary oxidants.
- Recent efforts have focused on overcoming the limitations of MOF-derived nanomaterials' fine powder form by creating macroscopic structures without losing their catalytic effectiveness.
- The review details strategies for producing diverse nanoarchitectures and macroarchitectures of MOFs, along with their mechanisms and potential applications in PS-AOPs, while also addressing challenges and future directions in this field.
Unlocking Enhanced Capacitive Deionization of NaTi(PO)/Carbon Materials by the Yolk-Shell Design.
J Am Chem Soc
April 2023
International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan.
The low salt adsorption capacities (SACs) of benchmark carbon materials (usually below 20 mg g) are one of the most challenging issues limiting further commercial development of capacitive deionization (CDI), an energetically favorable method for sustainable water desalination. Sodium superionic conductor (NASICON)-structured NaTi(PO) (NTP) materials, especially used in combination with carbon to prepare NTP/C materials, provide emerging options for higher CDI performance but face the problems of poor cycling stability and dissolution of active materials. In this study, we report the development of the yolk-shell nanoarchitecture of NASICON-structured NTP/C materials (denoted as -NTP@C) using a metal-organic framework@covalent organic polymer (MOF@COP) as a sacrificial template and space-confined nanoreactor.
View Article and Find Full Text PDFDesign and synthesis of yolk-shell FeO/N-doped carbon nanospindles with rich oxygen vacancies for robust lithium storage.
Phys Chem Chem Phys
December 2022
College of mathematics and Physics, Ningde Normal University, Ningde, 352100, China.
Ferric oxide (FeO) is an attractive anode material for lithium-ion batteries (LIBs) with a high theoretical capacity of 1005 mA h g. However, its practical application is greatly restrained by the rapid capacity fading caused by the large volume expansion upon lithiation. To address this issue, we have designed and synthesized a unique yolk-shell FeO/N-doped carbon hybrid structure (YS-FeO@NC) with rich oxygen vacancies for robust lithium storage.
View Article and Find Full Text PDFRational construction of yolk-shell CoP/N,P co-doped mesoporous carbon nanowires as anodes for ultralong cycle life sodium-ion batteries.
RSC Adv
October 2022
College of Chemistry and Materials, Fujian Provincial Key Laboratory of Featured Materials in Biochemical Industry, Ningde Normal University Ningde 352100 China
Owing to the natural abundance and low-cost of sodium, sodium-ion batteries offer advantages for next-generation portable electronic devices and smart grids. However, the development of anode materials with long cycle life and high reversible capacity is still a great challenge. Herein, we report a yolk-shell structure composed of N,P co-doped carbon as the shell and CoP nanowires as the yolk (YS-CoP@NPC) for a hierarchically nanoarchitectured anode for improved sodium storage performance.
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