Molybdenum disulfide (MoS2) is a promising nonprecious catalyst for the hydrogen evolution reaction (HER) that has been extensively studied due to its excellent performance, but lack of understanding factors impact catalytic activity hinders further design and enhancement MoS2-based electrocatalysts. Here, by using novel porous (holey) metallic 1T phase MoS2 nanosheets synthesized liquid-ammonia-assisted lithiation route, we systematically investigated contributions crystal structure...

MoSe2 is a promising earth-abundant electrocatalyst for the hydrogen-evolution reaction (HER), even though it has received much less attention among layered dichalcogenide (MX2 ) materials than MoS2 so far. Here, novel hydrothermal-synthesis strategy presented to achieve simultaneous and synergistic modulation of crystal phase disorder in partially crystallized 1T-MoSe2 nanosheets dramatically enhance their HER catalytic activity. Careful structural characterization defect using positron...

Highly efficient earth-abundant electrocatalysts for the hydrogen evolution reaction (HER) and oxygen (OER) are of great importance renewable energy conversion systems. Herein, guided by theoretical calculations, we demonstrate highly water splitting in alkaline solution using quarternary mixed nickel iron phosphosulfide (Ni1–xFexPS3) nanosheets (NSs), even though neither NiPS3 nor FePS3 is a good HER (or OER) electrocatalyst. With tuned electronic structure improved electrical conductivity...

Replacement of rare and precious metal catalysts with low-cost earth-abundant ones is currently among the major goals sustainable chemistry. Herein, we report synthesis S, N dual-doped graphene-like carbon nanosheets via a simple pyrolysis mixture melamine dibenzyl sulfide as efficient metal-free electrocatalysts for oxygen reduction reaction (ORR). The show enhanced activity toward ORR compared mono-doped counterparts, excellent durability in contrast to conventional Pt/C electrocatalyst...

Carbon-based nanomaterials provide an attractive perspective to replace precious Pt-based electrocatalysts for oxygen reduction reaction (ORR) enhance the practical applications of fuel cells. Herein, we demonstrate a one-pot direct transformation from graphitic-phase C3N4 (g-C3N4) nitrogen-doped graphene. g-C3N4, containing only C and N elements, acts as self-sacrificing template construct framework The relative contents graphitic pyridinic-N can be well-tuned by controlled annealing...

Developing efficient and robust Earth-abundant hydrogen evolution reaction (HER) catalysts is crucial for the scalable sustainable production of hydrogen. This study builds on promising concept oxide/metal nanocomposites, namely NiO/Ni, by incorporating another metal (in this case, Mo) into NiO to tune adsorption energy (H). Theoretical experimental approaches are combined design Mo-NiO/Ni nanocomposites HER in alkaline media. The incorporation Mo weakens H, favoring its transfer nearby Ni...

Developing earth-abundant and highly effective electrocatalysts for hydrogen evolution reaction (HER) is a prerequisite the upcoming energy society. Two-dimensional (2D) high-entropy metal phosphorus trichalcogenides (MPCh3) have advantages of both near-continuous adsorption energies alloys (HEAs) large specific surface area 2D materials, which are excellent catalytic platforms. As typical catalyst, Co0.6(VMnNiZn)0.4PS3 nanosheets with high-concentration active sites successfully...

Abstract Rationally designing of highly efficient electrocatalysts is critical to improving hydrogen production by water electrolysis. However, bottlenecks still require consideration when optimizing the intrinsic performance electrocatalysts. Applying appropriate external fields catalytic systems may effectively overcome such and enhance catalysts. Among various fields, magnetic field has received extensive attention owing its multifunctionality, non‐contact nature, non‐invasiveness,...

High-temperature nonhydrolytic aminolysis has been developed as an approach to monodisperse titania nanocrystals by exploiting the chemical modification of reactive titanium isopropoxide with oleic acid chelating ligand. Its capabilities for anisotropic growth highly crystalline anatase (see picture) controlled size and shape have demonstrated. Supporting information this article is available on WWW under http://www.wiley-vch.de/contents/jc_2002/2005/z500410_s.pdf or from author. Please...

Subcellular organelle-specific reagents for simultaneous targeting, imaging and treatment are highly desirable cancer therapy. However, it remains a challenge to fabricate single molecular platform containing targeting group, therapeutic agents through traditional synthesis. Due their superior sensitivity photostability, fluorescent probes with aggregation-induced emission (AIE) characteristics have attracted more attention in studying the process of translocation, drug release, excretion...

Spinel-type oxides have been found to be active electrocatalysts for OER. However, their semiconductor character severely limits catalytic performance. Herein, we report a facile solvothermal pathway the synthesis of spinel-type NixFe3–xO4 oxides/Ni metal nanocomposites. The good electrical contact between and oxide interface well-tuned compositions spinel are crucial achieve better OER Specifically, NixFe3–xO4/Ni nanocomposite sample prepared from precursor ratio y = 0.15 [y Fe/(Fe + Ni)]...

Development of earth-abundant, efficient, and stable electrocatalysts for hydrogen evolution reactions (HER) in alkaline or even neutral pH electrolyte is very important production from water splitting. Construction bimetal phosphides via tuning the bonding strength to increasing effective active sites through nanostructuring surface engineering should lead high HER activity. Here, ternary NiCoP nanowires (NWs) decorated by homogeneous nanoparticles have been obtained on Ni foam a highly...

Ion-pair recognition of metal salts by pillararenes has never been reported. This limits the further development and applications pillararene supramolecular chemistry. Herein we report first examples pillararene-based ion-pair recognition. They are host-guest complexes between three peralkylated pillar[5]arenes silver salt CF3COOAg. Single crystal X-ray analysis shows that CF3COOAg forms a unique dinuclear structure penetrates into pillar[5]arene cavity in these complexes. Besides silver-π...

Au–Ti proximity is thought to be responsible for propylene epoxidation by H2 and O2 PO formation (HOPO). However, we find that the Ti sites intimate with Au accounts small proportion relative remote from Au, based on semi-quantification of number nanoparticles uncalcined TS-1-supported nanoparticle (Au/TS-1-B) catalysts. Whether those are functioning in generation remains unclear. Herein, abundant proposed catalyze tandem mechanism help migration active oxidant species. We isolated...

In control! Ag2S nanocrystals of predictable size and shape were synthesized from the precursor Ag(SCOPh) in presence an amine. Careful tuning several parameters, such as reaction temperature ratio amine to precursor, led varying morphology (red: nanocubes; blue: faceted nanocrystals; yellow: nanorods) size. x=particle HDA=hexadecylamine. Supporting information for this article is available on WWW under http://www.wiley-vch.de/contents/jc_2002/2004/z460566_s.pdf or author. Please note: The...

A general and facile approach has been developed to prepare various metal oxide nanocrystals from commercially available acetate precursors using an amine-mediated reaction. The influence of temperature capping agents on the yield final morphology oxides was investigated. applied in synthesis shape-controlled ZnO nanocrystals. nanowires, nanorods, bullets triangular were successfully prepared by tuning molar ratio between amine zinc precursor. On basis FTIR NMR spectroscopic studies, we...

Herein we report a novel host–guest complex single crystal material based on pillar[5]arene (P5) and laser dye trans-4-[p-(dimethylamino)styryl]-1-methylpyridinium iodide (DASP). Single structure characterization shows that two P5 molecules act as supramolecular nanocapsule for one isolated DASP molecule. This spatial confinement effectively restricts aggregation-caused quenching (ACQ) effects other nonradiative channels (e.g., twisted intramolecular charge transfer), leading to high...

A facile mechanochemical pathway was developed to <italic>in situ</italic> transform solid metal precursor-supported MNP hybrids into MNPs@MOF.

Carbon-coated Li₂MoO₄ nanotubes fabricated by sol–gel method exhibit an excellent electrochemical performance when evaluated as anode material for Li-ion battery.

High-quality few-layer-thick graphitic carbon nitride (g-C₃N₄) nanosheets (NSs) were fabricated by a simple, highly efficient, and rapid method namely, liquid ammonia (LA)-assisted lithiation.