An interfacial C-S bond bridged S-scheme ZnS/CN for photocatalytic H evolution: Opposite internal-electric-field of ZnS/CN, increased field strength, and accelerated surface reaction.

An interfacial C-S bond bridged ZnS/CN heterojunction was constructed for photocatalytic H evolution. Different from traditional type-II ZnS/CN heterojunction, the electron transfer followed S-scheme pathway, due to opposite internal-electric-field (IEF) directions in these two heterojunctions. The C-S bond formation was carefully investigated, and they were susceptive to the preparation temperatures.

Partially oxidized MXenes-derived C-TiO/TiC coupled with Fe-CN as a ternary Z-scheme heterojunction: Enhanced photothermal and photo-Fenton performance.

Photo-Fenton reaction combining the photocatalytic reaction and Fenton reaction showed excellent degradation performance. However, it highly demanded the catalysts to display outstanding activity in these two reactions. Herein, Fe-doped carbon nitride/MXenes-derived C-TiO/TiC (Fe-CN/TiC/C-TiO) was prepared via two steps: Fe-CN and TiC were assembled via face-to-face attachment, following by in-situ partial oxidation of TiC to C-TiO.

Preparation of double-yolk egg-like nanoreactor: Enhanced catalytic activity in Fenton-like reaction and insight on confinement effect.

Peroxymonosulfate (PMS)-based Fenton-like reaction is an effective technique for the pollutant degradation, and the Co-based metal organic frameworks displayed the excellent activity for the PMS activation. Nevertheless, how to further improve the catalytic activity, suppress the leaching of toxic cobalt ions, and realize the rapid separation were still challenges for practical application. In this work, a novel solution was proposed: encapsulating FeO and Prussian blue analogue (PBA) into the polypyrrole (PPy) shell and constructing a "double-yolk egg-like" FeO/PBA@PPy as a nanoreactor.

A simple and green method to prepare non-typical yolk/shell nanoreactor with dual-shells and multiple-cores: Enhanced catalytic activity and stability in Fenton-like reaction.

Nowadays, non-typical yolk/shell structure has drawn much attentions due to the better catalytic performance than traditional counterparts (one yolk/one shell). In this study, ZIF-67 @CoSiO/SiO yolk/shell structure was prepared in one-step at room temperature, in which ZIF-67 was served as the hard-template, HO was served as etchant and tetraethyl orthosilicat was served as the raw material for CoSiO/SiO. After calcination, the non-typical CoO @CoSiO/SiO yolk/shell nanoreactor with CoSiO/SiO dual-shells and CoO multiple-cores was obtained.

SEAttle-based Research of Chinese Herbs for COVID-19 Study: A Whole Health Perspective on Chinese Herbal Medicine for Symptoms that may be Related to COVID-19.

Introduction: East Asian Medicine (EAM) is a Whole System medicine that includes Chinese herbal medicine (CHM). Chinese herbal medicine has been utilized to reduce symptom burden in infectious disease, with notable theoretical reformulations during pandemics of the 3rd, 13th, and 17th centuries. Today, Licensed Acupuncturists trained in CHM have utilized it to treat symptoms and sequelae of COVID-19.

Internal-electric-field induced high efficient type-I heterojunction in photocatalysis-self-Fenton reaction: Enhanced HO yield, utilization efficiency and degradation performance.

Herein, a type-I phosphorus-doped carbon nitride/oxygen-doped carbon nitride (P-CN/O-CN) heterojunction was designed for photocatalysis-self-Fenton reaction (photocatalytic HO production and following Fenton reaction). In P-CN/O-CN, the photoinduced charge carriers were effectively separated with the help of internal-electric-field near the interface, ensuring the high catalytic performance. As a result, the production rate of HO in an air-saturated solution was 179 μM·h, about 7.

Z-scheme Fe(MoO)/Ag/AgPO heterojunction with enhanced degradation rate by in-situ generated HO: Turning waste (HO) into wealth (OH).

AgPO-based photocatalysts have been deeply studied in environmental remediation; however, two problems limited their further application: photocorrosion and quenching effect by in-situ generated HO. To addressed these two questions simultaneously, Fe(MoO) was coupled with AgPO to construct Z-scheme Fe(MoO)/Ag/AgPO heterojunction driven by internal-electric-field. The rhodamine B degradation rate of heterojunction was 254 and 7.

A stable lanthanum-based metal-organic framework as fluorescent sensor for detecting TNP and Fe with hyper-sensitivity and ultra-selectivity.

A new Lanthanum-based luminescent metal-organic framework, {[La(HO)(HL)]·HO} (1), has been successfully synthesized by employing 3,3',5,5'-azodioxybenzenetetracarboxylic acid (HL) as a rigid organic linker through the solvothermal reactions. 1 exhibits a two-dimensional (2D) layered structure and a three-dimensional (3D) supramolecular structure is formed by hydrogen bonds between the layers. Stability studies indicate that 1 has good chemical stability and thermostability.

MoS/FeS Nanocomposite Catalyst for Efficient Fenton Reaction.

Nanocomposites containing FeS as catalyst and MoS as cocatalyst have been synthesized toward efficient heterogeneous Fenton reaction. The deposition of FeS nanoparticles in situ on the surface of MoS nanosheets creates strong contact between the two components and generates a large number of exposed Mo sites and sulfur vacancies, which contribute to the enhanced degradation rate by accelerating Fe/Fe cycling and ensuring rapid electron transfer. In addition, the MoS/FeS nanocomposite catalysts exhibit the best performance at near-neutral conditions (pH 6.

Transforming type-II FeO@polypyrrole to Z-scheme FeO@polypyrrole/Prussian blue via Prussian blue as bridge: Enhanced activity in photo-Fenton reaction and mechanism insight.

Photo-Fenton reaction is a more effective technique for pollutant disposal than photocatalytic reaction. Herein, FeO@polypyrrole/Prussian blue (FeO@PPy/PB) with a hierarchical porous structure was prepared by a reactive-template method. After transforming typical type-II FeO@PPy to Z-scheme FeO@PPy/PB via PB as a bridge, the degradation rate was increased by 1.

Construction of phosphorus-doped carbon nitride/phosphorus and sulfur co-doped carbon nitride isotype heterojunction and their enhanced photoactivity.

Photocatalysis was one of the most promising techniques for environmental remediation. Exploring photocatalysts with high efficiency, low cost and easy preparation was still an ongoing issue. In this work, phosphorus-doped carbon nitride/phosphorus and sulfur co-doped carbon nitride (P-CN/PS-CN) isotype heterojunction was prepared by a two-step calcination method.