A controllable vacuum‐diffusion method for gradual phosphidation of carbon coated metallic Co nanoparticles into Co/CoP Janus is reported. nanoparticles, as typical Mott–Schottky electrocatalysts, exhibit excellent hydrogen evolution reaction and oxygen performance in various electrolytes across wide pH range along with high durability. The catalyst can work bifunctional electrode materials overall water splitting achieve a current density 10 mA cm −2 neutral electrolyte at only 1.51 V.

Graphene sheet/polymeric carbon nitride nanocomposite (GSCN) functions as a metal-free catalyst to activate O2 for the selective oxidation of secondary C–H bonds cyclohexane. By fine-tuning weight ratio graphene and components, GSCN offers good conversion high selectivity corresponding ketones. Besides its stability, this also exhibits chemoselectivity various saturated alkanes and, therefore, should be useful in overcoming challenges confronted by metal-mediated catalysis.

Lithium‐ion batteries are regarded as promising energy storage devices for next‐generation electric and hybrid vehicles. In order to meet the demands of vehicles, considerable efforts have been devoted development advanced electrode materials lithium‐ion with high power densities. Although significant progress has recently made in novel materials, some critical issues comprising low electronic conductivity, ionic diffusion efficiency, large structural variation be addressed before practical...

Photoactive, condensed carbon nitride nanorods (CNRs) can be obtained via confined thermal condensation of cyanamide inside the nanochannels an anodic alumni oxide (AAO) membrane template. The promotion a more network CNRs with lowered HOMO in water splitting (including both H2 and O2 revolution) photocurrent output was demonstrated.

Flexible mesoporous g-C3N4 nanorods with open channels, synthesized via nanocasting, can act as catalyst support, solid stabilizer and photosensitizer simultaneously for anchoring uniform metal nanoparticles high compatibility the composition, synthetic method particle size. The final hybrid exhibit stability catalytic/photocatalytic activity.

Graphene patchwork: A simple synthetic process requiring neither catalyst nor solvent was used to convert glucose directly into polycrystalline carbon sheets having a "patched" multidomain graphene structure with domains 2–15 nm in size. The assemblies exhibit high conductivity, specific surface area, and an unexpectedly good solution processability. Detailed facts of importance specialist readers are published as "Supporting Information". Such documents peer-reviewed, but not copy-edited or...

Heterogeneous catalysts of inexpensive and reusable transition-metal are attractive alternatives to homogeneous catalysts; the relatively low activity nanoparticles has become main hurdle for their practical applications. Here, de novo design a Mott–Schottky-type heterogeneous catalyst is reported boost nanocatalyst through electron transfer at metal/nitrogen-doped carbon interface. The Mott–Schottky nitrogen-rich carbon-coated cobalt (Co@NC) was prepared direct polycondensation simple...

The traditional NH3 production method (Haber-Bosch process) is currently complemented by electrochemical synthesis at ambient conditions, but the rather low selectivity (as indicated Faradaic efficiency) for reduction of molecular N2 into impedes progress. Here, we present a powerful to significantly boost efficiency Au electrocatalysts 67.8% nitrogen reaction (NRR) increasing their electron density through construction inorganic donor-acceptor couples Ni and nanoparticles. unique role...

Abstract Production of ammonia is currently realized by the Haber–Bosch process, while electrochemical N 2 fixation under ambient conditions recognized as a promising green substitution in near future. A lack efficient electrocatalysts remains primary hurdle for initiation potential electrocatalytic synthesis ammonia. For cheaper metals, such copper, limited progress has been made to date. In this work, we boost reduction reaction catalytic activity Cu nanoparticles, which originally...

Solvent-free oxidation of the primary C–H bonds in toluene to benzaldehyde has been achieved by using metal-free catalyst g-C3N4 and O2. It is nanostructure that boosts high selectivity tuning homogeneous hetergeneous capturing all free •O2– radicals effectively suppress overoxidation aldehydes.

Exploiting useful contacts: The exceptional catalytic performance of a photocatalyst composed Pd nanoparticles and mesoporous carbon nitride for the dehydrogenation formic acid in water at room temperature to produce H2 gas (see picture) is due enhanced electron enrichment through charge transfer interface Mott–Schottky contact. As service our authors readers, this journal provides supporting information supplied by authors. Such materials are peer reviewed may be re-organized online...

A simple but powerful chemical process--the copolymerization of biomass (glucose) and boric acid as templated by dicyandiamide (see picture)--was used to fabricate high-quality doped graphene monoliths with through-plane nanopores. The holey had a high surface area showed excellent performance metal-free carbocatalysts for selective oxidation.

Abstract Pd nanoparticles were successfully encapsulated inside mesoporous silicalite‐1 nanocrystals (Pd@mnc‐S1) by a one‐pot method. The as‐synthesized Pd@mnc‐S1 with excellent stability functioned as an active and reusable heterogeneous catalyst. unique porosity nanostructure of crystals endowed the material general shape‐selectivity for various catalytic reactions, including selective hydrogenation, oxidation, carbon–carbon coupling reactions.

Abstract NO x − reduction acts a pivotal part in sustaining globally balanced nitrogen cycle and restoring ecological environment, ammonia (NH 3 ) is an excellent energy carrier the most valuable product among all products of reaction, selectivity which far from satisfaction due to intrinsic complexity multiple‐electron ‐to‐NH process. Here, we utilize Schottky barrier‐induced surface electric field, by construction high density electron‐deficient Ni nanoparticles inside nitrogen‐rich...

In oxygen reduction reaction, Pt/C catalysts are prone to carbon corrosion, resulting in reduced activity. The use of non-carbon inorganic supports not only improves corrosion resistance, but also provides synergetic effects increase activity and stability.

Electrochemical reduction of aqueous nitrates has emerged as a sustainable and practical approach in combining water treatment ammonia fertilizer synthesis. However, the development highly integrated catalytic electrodes with consistently high activity from non-noble metals remains challenging issue despite potential to greatly decrease costs promote real-world applications. Here, we report high-performance electrode electron-abundant surfaces obtained direct boronization nickel foam,...

Abstract Wide‐bandgap mixed‐halogen perovskite materials are widely used as top cells in tandem solar cells. However, serious open‐circuit voltage ( V oc ) loss restricts the power conversion efficiency (PCE) of wide‐bandgap (PSCs). Herein, it is shown that resulting methylammonium vacancies induce lattice distortion chloride‐assisted film, an inhomogeneous halogen distribution and low . Thus, a strain regulation strategy reported to fabricate high‐performance PSCs. Rubidium (Rb) cations...

The Suzuki coupling reaction is one of the most practiced classes catalytic C-C bond formation. development new means activating molecules and bonds over old catalysts for formation a fundamental objective chemists. Here, we report room-temperature heterogeneous Pd by light-mediated catalyst activation. We employ stimulated electron transfer at metal-semiconductor interface from optically active mesoporous carbon nitride nanorods to nanoparticles. This photocatalytic pathway highly efficient...

Effective integration of one-dimensional carbon nanofibers (CNF) and two-dimensional sheets into three-dimensional (3D) conductive frameworks is essential for their practical applications as electrode materials. Herein, a novel "vein-leaf"-type 3D complex with nitrogen-doped graphene (NG) was prepared through simple thermal condensation urea bacterial cellulose. During the formation CNF@NG, species tethered to CNF via carbon-carbon bonds. Such an interconnected network facilitates both...