Doping rare-earth metals or introducing carbon into transition metal phosphides (TMPs) can promote the property and stability of water electrolysis. An original composite nanostructure, cerium-doped carbon-coated CoMoO4 (Ce-doped CoMoO4@C), was obtained by a simple hydrothermal annealing process successively. Subsequently, chemical vapor deposition (CVD) adopted to synthesize CoMoP/MoP CoMoP/MoP@C) with diammonium hydrogen phosphate as phosphorus source. Ce-doped CoMoP/MoP@C displayed superb...

A facile and universal strategy for preparing metal phosphides using MOFs was designed a highly efficient HER catalyst developed.

Abstract Developing low‐cost and effective electrocatalysts for the hydrogen evolution reaction (HER) to replace Pt‐group metals is a continuous challenge. Recently, transition metal phosphides have received increasing attention owing their high intrinsic activity in catalyzing HER acidic media. Herein, we reported novel hybrid nanostructure MoP/Co 2 P anchored on carbon fiber paper (CFP) (MoP/Co P/CFP) which was achieved by facile hydrothermal approach obtain Co(CO 3 ) 0.35 Cl 0.20 (OH)...

The development of hydrogen production by water splitting was greatly limited the slow kinetics oxygen evolution reaction (OER). Here, we found that performance and efficiency electrocatalyst for OER can be improved designing defect structure nanocatalyst heteroatom doping. In this study, have successfully prepared defect-rich metal Fe-doped CoP nanosheets (noted as Fe–CoP NSs) an efficient through etching-cooperative strategy. doping rate Fe element is about 0.18%. Surprisingly, NSs possess...

Exploring efficient and low-cost multifunctional electrocatalysts is a prerequisite for the development of energy storage converting technology. In this work, NiO/Co 2 P nanosheets (NiO/Co NSs) with heterogeneous structure were investigated through hydrothermal method, annealing phosphating processes. Considering synergistic effect between NiO Co P, we demonstrated excellent electrocatalytic properties NSs OER HER. By optimizing electronic as well high specific surface area nanosheet...

In this work, a cerium doped CoP nanoparticles (NPs) embedded in carbon nanotubes (CNTs) for efficient and durable hydrogen evolution was developed. The detailed preparation process described as the followings. First, introduced into ZIF-67 to form Ce-doped by joint nucleation method. Then, Co-CNTs synthesized carbonization of ZIF-67. During process, Co2+ reduced Co NPs elegant nanostructure CNTs formed catalytic effect NPs. Finally, using precursor, target catalyst (Ce0.05-doped CNTs)...

The efficiency of water splitting technology was largely limited by the sluggish catalyzed oxygen evolution reaction (OER). In this study, we found that construction hierarchical nanostructures and heteroatom doping are two effective strategies to enhance catalytic properties transition-metal phosphides (TMPs) toward alkaline OER. We successfully synthesized a Mn-doped CoP catalyst (denoted as Mn-CoP), which presents microspheres assembled with porous nanosheets, through sequential...

Due to their open skeleton structures, adjustable active sites and homogeneous catalytic centers, PBA-based materials have promising applications in electrochemical water splitting. Herein, we report a PBA derived Fe0.25-CoP electrocatalyst with hybrid nanostructure, which offered large specific surface area for the HER OER, respectively. The as-synthesized catalyst exhibits remarkable performance durability at overpotentials of 262 mV OER 111 HER, requiring voltage merely 1.57 V achieve...

Supramolecular behavior is highly dependent on many factors, including complicated microenvironments and weak interactions. Herein, we describe tuning supramolecular architectures of rigid macrocycles by synergistic effects their geometric configurations, sizes, guests. Two paraphenylene-based are anchored onto different positions in a triphenylene derivative, resulting dimeric with shapes configurations. Interestingly, these show tunable interactions In solid state, 2 : 1 host-guest complex...

In order to lower energy consumption it is critical develop highly efficient and stable non-precious metal bifunctional catalysts. this study, we found that rational design of novel nanostructures able increase the number active sites, conductivity accelerate electron transfer, thus promoting enhanced performance catalyst. We successfully synthesized carbon nanotubes (CNTs) containing a hollow polyhedral (CNTHPs) structure through annealing, etching phosphating. The unique shape not only...

A novel strategy to fabricate porous graphite spheres with a well-defined mesoporous structure, derived from 3D multicomponent colloidal spheres<italic>via</italic>a process comprising self-assembly, carbonization, and selective etching.

The purpose of this study was to optimize the preparation conditions podophyllotoxin liposomes (PPT-Lips), and investigate their effects on PC3 cells. PPT-Lips were prepared by using a thin-film dispersion method. In order achieve maximum drug encapsulation efficiency (EE), process formulation variables optimized response surface methodology (RSM). optimum cholesterol lecithin ratio 3.6:40 (w/w), lipid 15.8:1 ultrasonic intensity 35% (total power 400 W). experimental EE 90.425%, which...

A rapid and robust preparation method of six isoflavones from ethanol aqueous extract Iris tectorum Maxim (I. tectorum) was established by using macroporous resin column chromatography preparative high-performance liquid (Prep-HPLC). After separation AB-8 resins, total flavonoids content increased 10.60% in the crude to 54.20% with a recovery yield 75.12%. Subsequently, extracts were purified Prep-HPLC, purities more than 82.2% after assessment analytical HPLC characterization mass...

Quasiclassical trajectory (QCT) method has been used to investigate stereodynamics information of the reaction <TEX>$O(^1D)+H_2{\rightarrow}\;OH$</TEX>+H on DK (Dobbyn and Knowles) potential energy surface (PES) at a collision 23.06 kcal/mol, with initial quantum state reactant <TEX>$H_2$</TEX> being set for v = 0 (vibration number) j 0-5 (rotation number). The PDDCSs (polarization dependent differential cross sections) distributions P(<TEX>$\theta_r$</TEX>), P(<TEX>$\phi_r$</TEX>),...

Persistent truncus arteriosus (PTA) is an uncommon and complex congenital cardiac malformation accounting for about 1.2% of all heart diseases (CHDs), which caused by a deficiency in the embryonic outflow tract’s (OFT) septation remodeling. PDGFRα PDGFRβ double knockout (DKO) neural crest cells (CNCCs) has been reported to cause PTA, but underlying mechanisms remain unclear. Here, we constructed PTA mouse model with Pax3+ CNCCs described condensation failure into OFT septum CNCC-derived due...

Abstract Functionalized designs such as doping can effectively reduce charge transfer impedance and accelerate dynamics. In this study, we reported a facile method to synthesize Ag‐doped ZIF‐67 hollow nanoboxes (Ag‐CoP HNBs) by introducing Ag into cobalt‐centered zeolitic imidazolate framework (ZIF‐67). Its unique structure results in higher stability, more active sites bigger specific surface area with excellent HER OER performance. Specifically, Ag‐CoP HNBs requires only 97 256 mV achieve...

<title>Abstract</title> Effective axon regeneration is essential for the successful recovery of nerve functions in patients with injury-associated neurological diseases. Certain self-regeneration occurs injured peripheral axonal branches dorsal root ganglion (DRG) neurons but does not occur their central branches. By performing rat sciatic or axotomy, we determined expression dysbindin domain containing 2 (DBNDD2) DRGs after regenerative injury non-regenerative injury, respectively, and...

Abstract Quasiclassical trajectory method for the title reaction He +H2+ → HeH+ + H was carried out on potential energy surface which revised by Aquilanti et al. [Chem. Phys. Lett. 469, 26 (2009)]. The initial vibrational quantum number of reactant set as v=1, v=2 and v=3. Stereodynamics information obtained, such distributions product angular momentum P(θ r), P(ϕ r),p(ϕ r, θ r) two commonly used polarization-dependent differential cross sections (PDDCSs) (2π/σ)(dσ 00/dω t) 20/dω t), to get...