
Post-synthetic modification of covalent organic frameworks for …
2023年6月26日 · Herein, we demonstrate covalent organic frameworks for CO 2 reduction reaction by modulating the linkers and linkages of the template covalent organic framework to build the correlation between the...
电化学小课堂丨线性扫描伏安法(LSV)超全总结!还有应用实 …
2024年4月2日 · lsv方法可用于判断电极过程的可逆性,当采用lsv方法对体系进行测试时,若峰值电势ep不随扫描速率的变化而变化,则电极过程是可逆的;若峰值电势ep随扫描速率的增大而变化(向扫描方向移动),则电极过程是不可逆的。
CoPc-based donor-acceptor covalent organic frameworks with …
2025年1月13日 · Herein, two novel CoPc-based donor-acceptor COFs (CoPc-D-A-COFs), which serve as efficient bifunctional ORR/HER catalysts, are designed and synthesized by a Schiff base condensation reaction between electron donor 2,5-thiophenedicarboxaldehyde (TCA) or 2,2′-dithiophene-5,5′-dicarboxaldehyde (BCA) and electron acceptor cobalt (II) 2,9,16,23-tetra...
Two-dimensional covalent organic framework films prepared on …
2022年3月17日 · Covalent organic frameworks (COFs) can exhibit high specific surface area and catalytic activity, but traditional solution-based synthesis methods often lead to...
Covalent organic frameworks with conductive EDOT unit for …
2025年2月1日 · Covalent organic framework (EDOT-Por-COF) was first synthesized using conductive 3,4-ethylenedioxythiophene (EDOT) unit. Introducing EDOT unit into COFs can be rationalized for enhancing the electrochemical performance of Li–S batteries.
Copper-porphyrin-based covalent organic frameworks for efficient …
2 天之前 · The Linear sweep voltammetry (LSV) curves derived from rotating disk electrode (RDE) measurements (Fig. 7 f and Fig. S23) revealed electron transfer numbers (n) of 1.88 and 1.93 for CuTB-COF and CuTP-COF, respectively. ... CuTP-COF exhibited remarkable RhB degradation efficiency, reaching 98.7 % within 60 min in deionized water, whereas CuTB ...
Efficient electron transmission in covalent organic framework ...
2020年1月24日 · Linear sweep voltammetry (LSV) curves (without iR compensation) show that the onset potential of Co-TTCOF (−0.45 V) is much more positive than that of Ni-TTCOF (−0.64 V) in KHCO...
Angew. Chem. Int. Ed.|新能源学院发表在分子水平精准调控共价有 …
该研究提出了一种通过分子水平控制边缘位点来优化共价有机框架(Covalent Organic Frameworks,COFs)以应用于电催化氧还原反应(Oxygen reduction reaction,ORR)的新方法。 通过合成具有独特边缘基团(如羰基、二氨基吡嗪、苯并咪唑和苯甲醛咪唑单元)的COFs,实现了ORR反应性能的精准调控。...
a) Schematic presentation of the COF proposed structure. b) LSV ...
Novel covalent organic framework (COF) composites containing a bipyridine multimetal complex were designed and obtained via the coordination interaction between bipyridine groups and metal ions....
学术前沿|Nat. Commun.:改性共价有机框架用于高效催化CO2RR
共价有机框架 (COFs)是完全可设计的多孔聚合物,功能性COFs已被用于分子吸收、光发射器、光传导/催化、质子/锂离子传导和锂离子电池和锂硫电池的研究。 值得注意的是,COFs的稳定框架、大表面积、开放的多孔通道和可预测的催化位点也使它们可以作为 电化学反应 的催化剂,例如:氧还原反应(ORR)、析氧反应 (OER)、析氢反应 (HER)、 二氧化碳还原反应 (CO2RR)和H2O2合成。 电催化二氧化碳还原反应,可以从温室气体中产生高副价值的产品,是解决能源 …