Polymeric carbon nitride (C3N4) has emerged as the most promising candidate for metal-free photocatalysts but is plagued by low activity due to poor quantum efficiency and specific surface area. Exfoliation of bulk crystals into ultrathin nanosheets proven be an effective widely used strategy enabling high photocatalytic performances; however, this process complicated, time-consuming, costly. Here, we report a simple bottom-up method synthesize porous few-layer C3N4, which involves molecule...

Cubic quantum dot/hexagonal microsphere ZnIn₂S₄ heterophase junctions were prepared and exhibited significantly higher visible-light photocatalytic hydrogen evolution performance than single cubic or hexagonal ZnIn₂S₄.

Abstract Radical‐initiated difunctionalization of alkenes is one the most important methods in organic synthesis and medicinal chemistry, which can be applied to synthesize value complex compounds as well structural motifs that found bioactive natural products pharmaceuticals. In recent years, impressive progress have been made this area with ideal silver catalysis. Here, we summarize advances silver‐mediated radical for formation diverse bonds, including 1) two‐component reactions enabled...

A review on metal-free COF photocatalysts from an environmental perspective is presented.

The photocatalytic reduction of CO2 with H2O into valuable chemicals is a sustainable carbon-neutral technology for renewable energy; however, the activity and product selectivity remain challenging. Herein, an S-scheme heterojunction photocatalyst superior photoreduction performance─porous C3N4 (CN) nanosheets anchored zinc(II) tetra(4-cyanophenyl)porphyrin (ZnTP) nanoassemblies (denoted as ZnTP/CN)─was designed prepared via simple self-assembly process. constructed ZnTP/CN had rich...

The nitrogen rich carbon nitrides from inorganic acid-derived HOF-liked precursors, which exhibit enhanced visible-light photocatalytic hydrogen evolution.

CdS quantum dot sensitized ZnFe2O4/ZnIn2S4 nanosheet stereoscopic films were synthesized through two sequential solvothermal processes and the ionic layer adsorption-reaction method. The hydrophilic ZnIn2S4 film was pre-prepared to act as a suitable host material, then ZnFe2O4 nanoparticles dots uniformly decorated on surface of form ternary heterostructure film. band structure difference in can promote spatial separation transport efficiency photogenerated charge carriers. Meanwhile,...

A simple and practical method for the synthesis of phosphoryl-substituted indolo[2,1-a]isoquinolin-6(5H)-ones benzimidazo[2,1-a]isoquinolin-6(5H)-ones through manganese(iii)-promoted tandem phosphinoylation/cyclization 2-arylindoles or 2-arylbenzimidazoles with disubstituted phosphine oxides was developed. In this transformation, new C-P bond C-C were constructed simultaneously under silver-free conditions, exhibiting a broad substrate scope. It noted that not only diarylphosphine but also...

A hierarchical S-scheme heterojunction photocatalyst was fabricated through the in situ growth of BiOBr nanosheets on microtubular C 3 N 4 , which demonstrates excellent photocatalytic activity for converting CO 2 into under visible light irradiation.

Based on the affective event theory and theoretical framework of "work environment features-work events-emotional responses-work attitude", this study aims to explore how when home-based telework negatively affects work engagement by focusing dual chain mediating paths "workplace isolation-negative emotion" "telepressure-negative emotion", moderating role family-supportive leadership.A questionnaire survey was used collect 276 self-reported responses from employees with experience in...

Converting CO2 into renewable fuels by solar energy has been considered an ideal strategy to mitigate the climate crisis and address fossil fuel depletion problem. However, severe charge carrier recombination sluggish interfacial reaction dynamics make it a challenge achieve high conversion efficiency. Herein, unique 2D/2D step-scheme (S-scheme) photocatalyst of Bi2WO6/C3N4 (BWO/CN) is constructed facile electrostatic self-assembly strategy. The ultrathin heterostructure endowed BWO/CN...

The direct application of liquid marbles in electromagnetic wave (EMW) absorption is challenging due to their poor stability, susceptibility gravitational collapse, and shaping difficulties. To address this issue, a novel strategy proposed incorporate marble microstructures (NaCl/nano-SiO

In this study, a ZnO/ZnSe nanonail array was prepared via two-step sequential hydrothermal synthetic route. process, the ZnO nanorod first grown on fluorine-doped tin oxide (FTO) substrate using seed-mediated growth approach process. Then, obtained in situ of ZnSe nano caps onto process presence Se source. The surface morphology and amount nanorods can be regulated by varying reaction time reactant concentration. Compared with pure nanorods, unique heterostructure exhibits enhanced visible...

NiS decorated hydrogenated TiO₂ nanothorns/carbon nanofibers exhibited enhanced photocatalytic H₂ evolution performance.

Photoreduction of CO2 into solar fuels is an appealing solution to simultaneously mitigate environmental problems and energy crisis, but photocatalyst activity product selectivity remain challenging. Herein, ultrafine Pd nanoparticles immobilized in imine-linked covalent triazine framework (Pd@Imine-CTF) are successfully prepared via a wet-chemistry approach. The resultant Pd@Imine-CTF exhibits highly porous structure, which exposes more active sites promotes adsorption diffusion for...

Abstract Semiquinone (SQ) radicals play a critical role in the long‐lasting UV‐blocking application of lignin, while their origin and stable structure are unclear. Here, organosolv lignin extracted from poplar (OL‐P) is self‐assembled into normal micelles (LNM) with more phenolic hydroxyl groups on surface, reverse (LRM) methoxyl surface. After 12 h UV irradiation, SQ radical contents LNM LRM increase 33% 78% respectively. The performance based sunscreen keeps upswinging due to stabilization...

A conjugated porous polymer metalated with Ni and Fe sites (NiFe-CMP) has been rationally designed synthesized, exhibiting excellent photocatalytic activity selectivity in the oxidation of aromatic alcohols under visible light irradiation.

The photocatalytic reduction of CO2 into methane has garnered significant attention; however, the multiple electron and proton processes involved in often result low products selectivity. Herein, we present a conjugated polymer photocatalyst (ZnTP-PDA), composed Zn-porphyrin pyrazine units, which effectively drives photoconversion to CH4. nanosheet structure ZnTP-PDA offers numerous absorption sites exposes catalytic active centers, thereby enhancing reaction kinetics. Experimental analyses...