نتایج جستجو برای: phosphides

تعداد نتایج: 268  

Journal: :Journal of hazardous materials 2012
P E Tsakiridis

Aluminium salt slag (also known as aluminium salt cake), which is produced by the secondary aluminium industry, is formed during aluminium scrap/dross melting and contains 15-30% aluminium oxide, 30-55% sodium chloride, 15-30% potassium chloride, 5-7% metallic aluminium and impurities (carbides, nitrides, sulphides and phosphides). Depending on the raw mix the amount of salt slag produced per t...

2007
P.V.V. Jayaweera K. Tennakone H. C. Liu

GaAs/AlGaAs based Heterojunction Interfacial Workfunction Internal Photoemission (HEIWIP) detectors were used to demonstrate experimental split-off response that is based on hole transitions between light/heavy hole bands and the split-off band (spin-orbit). Preliminary results indicate that, this detection mechanism is more efficient than free carrier mechanism for NIR operation. An unoptimize...

2013
Wolfgang Jeitschko Reinhold Brink

UCr6 P4 was prepared from a tin flux in two forms at low (a) and high (ß) temperatures (880 °C and 1000 °C), respectively. The crystal structures o f both modifications were deter­ mined from single-crystal data. a-U Cr6 P4: P6m2 (N o. 187), a = 698.5(3) pm, c = 350.8(1) pm, Z = 1, R = 0.052 for 18 variable parameters and 410 structure factors; /?-UCr6 P4: Pmmn (No. 59), a = 698.6(1) pm, b = 35...

Journal: :Advanced composites and hybrid materials 2022

Transition metal phosphides as ideal anodes have been attracted a large number of interests due to their excellent performance for lithium-ion batteries. Nevertheless, CoMoP2 materials were rarely reported battery anode materials. Thereupon, excavate ability in LIBs, sandwich-like architecture was employed material, which heterostructured and MoP nanoparticles coated on N, P co-doped carbon mat...

Journal: :American Journal of Analytical Chemistry 2022

Lithium ion battery (LIB) is one of the promising power storage devices in today’s world. like other types electrochemical cell has anodic and cathodic electrode which lithium intercalated deinterclated during charging discharging process respectively. The capacity improved by development innovative kinds electrode. Carbon, metal/semiconductor, metal oxides phosphides/ nitrides/sulfides based n...

Journal: :Scientific Reports 2021

Abstract Precipitates in an austenitic stainless steel fabricated via any Additive Manufacturing (AM), or 3D printing, technique have been widely reported to be only Mn-Si-rich oxides. However, Transmission Electron Microscopy (TEM) studies on a 316L steel, we show that non-oxide precipitates (intermetallics, sulfides, phosphides and carbides) can also form when the is Laser Metal Deposition (L...

Journal: :Nano Research 2021

Abstract Tailoring the nanostructure/morphology and chemical composition is important to regulate electronic configuration of electrocatalysts thus enhance their performance for water urea electrolysis. Herein, nitrogen-doped carbon-decorated tricomponent metal phosphides FeP 4 nanotube@Ni-Co-P nanocage (NC-FNCP) with unique nested hollow architectures are fabricated by a self-sacrifice templat...

Journal: :Energies 2023

It is critical and challenging to develop high performance transition metal phosphides (TMPs) electrocatalysts for oxygen evolution reaction (OER) address fossil energy shortages. Herein, we report the synthesis of Co2P embedded in N-doped porous carbon (Co2P@N-C) via a facile one-step strategy. The obtained catalyst exhibits lower overpotential 352 mV OER at current density 10 mA cm−2 small Ta...

Journal: :Journal of composites science 2023

The search for new hydrogen evolution reaction (HER) electrocatalysts with lower cost and higher activity stability than noble metal catalysts is essential. In this regard cobalt phosphide considered one of the most promising nanomaterials. present work proposes a simple efficient method synthesis nanocomposite graphene–phosphorene structures decorated CoP nanoparticles 2–5 nm in size via elect...

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