CuO@Cu@NiAl-LDH with Cu/Cu Valence Synergy and Core-Shell Structure for Highly Selective Generation of CH.

Photocatalytic CO reduction to produce C products remains a challenge. Herein, CuO@Cu@NiAl-LDH composites with three-dimensional ordered core-shell structures were successfully prepared, and the effects of CuO with different exposed surfaces on CO photoreduction were investigated. The synergistic effect of zero-valent Cu and Cu as intermediate electron mediators retains more photogenerated electrons and the Z-scheme heterojunction formed between CuO and NiAl-LDH leads to the enhancement of C selectivity.

BiOCl/g-CN/CdZnS Double Z-Scheme Heterojunction Photocatalyst for Highly Selective CO Reduction to Methane.

Solar-energy-driven CO hydrogenation is a promising strategy to alleviate the climate crisis. Methane is a desirable derivative of CO reduction. However, developing a photocatalyst for highly active and selective CH generation remains challenging.

Recent Progress of Covalent Organic Frameworks-Based Materials in Photocatalytic Applications: A Review.

Covalent organic frameworks (COFs) are one type of porous organic materials linked by covalent bonds. COFs materials exhibit many outstanding characteristics such as high porosity, high chemical and thermal stability, large specific surface area, efficient electron transfer efficiency, and the ability for predesigned structures. These exceptional advantages enable COFs materials to exhibit remarkable performance in photocatalysis.

Constructing CoAl-LDO/MoO S-scheme heterojunctions for enhanced photocatalytic CO reduction.

Converting CO into chemicals and fuels by solar energy can alleviate global warming and solve the energy crisis. In this work, CoAl-LDO/MoO (LDO/MO) composites were successfully prepared and achieved efficient CO reduction under visible light. The CoAl-layered double oxides (CoAl-LDO) evolved from CoAl-layered double hydroxide (CoAl-LDH) exhibited a more robust structure, broader light absorption, and improved CO adsorption ability.

Research Progress on Photocatalytic CO Reduction Based on Perovskite Oxides.

Photocatalytic CO reduction to valuable fuels is a promising way to alleviate anthropogenic CO emissions and energy crises. Perovskite oxides have attracted widespread attention as photocatalysts for CO reduction by virtue of their high catalytic activity, compositional flexibility, bandgap adjustability, and good stability. In this review, the basic theory of photocatalysis and the mechanism of CO reduction over perovskite oxide are first introduced.

Recent progress of cocatalysts loaded on carbon nitride for selective photoreduction of CO to CH.

A photocatalytic system driven by solar light is one of the promising strategies for converting CO into valuable energy. The reduction of CO to CH is widely studied since CH has a high energy density as the main component of nonrenewable natural gas. Therefore, it is necessary to develop semiconductor materials with high photocatalytic activity and CH selectivity.

Fabrication and characterization of Z-scheme BiOCl/C/CuO heterojunction nanocomposites as efficient catalysts for the photocatalytic reduction of CO.

The photocatalytic reduction of CO to hydrocarbons is expected to simultaneously alleviate the energy crisis and greenhouse effect. Herein, the ternary BiOCl/C/CuO catalysts with different mass ratios were compounded using a simple hydrothermal method, revealing better photocatalytic activity than the monomer. In the absence of sacrificial agents and photosensitizers, 25% BiOCl/C/CuO showed optimal photocatalytic performance.

Recent Progress of Single-Atom Photocatalysts Applied in Energy Conversion and Environmental Protection.

Photocatalysis driven by solar energy is a feasible strategy to alleviate energy crises and environmental problems. In recent years, significant progress has been made in developing advanced photocatalysts for efficient solar-to-chemical energy conversion. Single-atom catalysts have the advantages of highly dispersed active sites, maximum atomic utilization, unique coordination environment, and electronic structure, which have become a research hotspot in heterogeneous photocatalysis.

Converting CO into Value-Added Products by Cu O-Based Catalysts: From Photocatalysis, Electrocatalysis to Photoelectrocatalysis.

Converting CO into value-added products by photocatalysis, electrocatalysis, and photoelectrocatalysis is a promising method to alleviate the global environmental problems and energy crisis. Among the semiconductor materials applied in CO catalytic reduction, Cu O has the advantages of abundant reserves, low price and environmental friendliness. Moreover, Cu O has unique adsorption and activation properties for CO , which is conducive to the generation of C products through CC coupling.

[Investigation of therapeutic mechanism of Weiweifang on experimental gastric ulcer in rats viewing from metabonomics].

Objective: To investigate the therapeutic mechanism of Weiweifang (WWF, a Chinese herbal preparation) on gastric ulcer in rats viewing from metabonomics.

Methods: Wistar rats were made to gastric model by acetic acid cauterization and randomized into the model group, the spontaneously healing group and the three WWF treatment groups, and a group of normal rats was set for control. Metabolic spectra of gastric mucosa extraction of rats were acquired with gas chromatography-mass spectrometry (GC-MS) technique.