Novel metal-free catalysts via integration of covalent organic framework (COF) and graphitic carbon nitride (g-C3N4@COF) with a high graphitization degree and nitrogen content were fabricated and exhibited an outstanding activity in a wide pH range for peroxymonosulfate (PMS)-driven oxidation of ...
metal‐free carbocatalystsoxidative dehydrogenationphysicochemical propertiesreduction reactionsIn response to the environmental and sustainable issues worldwide, there is a continued drive toward the development of efficient and selective heterogeneous catalysts. The recent surge in metal‐free carbocatalysis ...
PGM-free catalysts for oxygen reduction represent a long-term, high-risk research and development approach with high potential impact on the single greatest cost contributor to automotive fuel cell stacks. This is a preview of subscription content, access via your institution Relevant articles Open ...
Metal-free catalysts offer a desirable alternative to traditional metal-based electrocatalysts. However, metal-free catalysts, featuring defined active sites, rarely show activities as promising as metal-based materials. Here we report 2-thiolimidazole a
Besides, the catalytic performance of many non-precious metal catalysts still needs to be further improved to meet the requirement for practical applications. These special physicochemical properties, in turn, allow for controlled structural modifications of fullerenes, leading to the formation of various...
Carbon-based metal-free catalysts Metals and metal oxides are widely used as catalysts for materials production, clean energy generation and storage, and many other important industrial processes. However, metal-based catalysts suffer from high cost, low selectivity, poo... X Liu,L Dai - 《Nature...
Recent advances in the controlled preparation of poly(α-hydroxy acids): Metal-free catalysts and new monomers 来自 Semantic Scholar 喜欢 0 阅读量: 59 作者:Didier,Bourissou,and,Sylvie,Moebs-Sanchez,and,Blanca,Martín-Vaca 摘要: Polylactides (PLAs) are at the forefront of biodegradable polymer ...
Metal-free carbon-based catalysts are one of the most active research directions in nanomaterials and catalysis. The advantages that nanocarbon catalysts have over metal catalysts include high efficiency, environmental compatibility, low energy consumption, and corrosion resistance. Nanocarbon can ...
Metals and metal oxides are widely used as catalysts for materials production, clean energy generation and storage, and many other important industrial processes. However, metal-based catalysts suffer from high cost, low selectivity, poor durability, sus
Doping with pyridinic nitrogen atoms is known as an effective strategy to improve the activity of carbon-based catalysts for the oxygen reduction reaction. However, pyridinic nitrogen atoms prefer to occupy at the edge or defect sites of carbon materials. Here, a carbon framework named as hydrogen...