Regulating the Electronic Structure of Cu Single-Atom Catalysts toward Enhanced Electro-Fenton Degradation of Organic Contaminants via O and OH.

Heterogeneous electro-Fenton degradation with O and OH generated from O reduction is cost-effective for the removal of refractory organic pollutants from wastewater. As O is more tolerant to background constituents such as salt ions and a high pH value than OH, tuning the production of O and OH is important for efficient electro-Fenton degradation. However, it remains a great challenge to selectively produce O and improve the species yield.

A 2.5-Dimensional biomimetic dual-functional bifacial-evaporator for high efficient evaporation and water purification.

Nowadays, solar-driven interfacial steam generation (SISG) is a sustainable and green technology for mitigating the water shortage crisis. Nevertheless, SISG is suffering from the enrichment of volatile organic compounds in condensate water and non-volatile organic compounds in feed water in practical applications. Herein, taking inspiration from nature, a dual-functional bifacial-CuCoNi (Bi-CuCoNi) evaporator with a special biomimetic urchin-like microstructure was successfully prepared.

Enhanced persulfate activation by nitrogen-doped mesoporous carbon for efficiently degrading organic matters.

Nitrogen-doped carbon materials (NMC) are widely used in peroxymonosulfate-based advanced oxidation processes (PMS-AOPs). Despite great efforts to improve the specific surface area of and the content of N atoms in catalysts for enhancing catalytic performance, this does not mean that the catalytic performance will improve with the increasing specific surface area and nitrogen content. Therefore, it is the key to optimize pore structure of NMC for maximizing the catalytic performance of nitrogen active sites.