In this paper, a facile synthetic route of cobalt ferrite nanocrystals with narrow size distribution was reported. The key feature method involved very rapid mixing reducible metal cations sodium borohydride and simultaneous reduction in colloid mill, which is followed by slow oxidation separate hydrothermal treatment. microstructural magnetic characteristics the materials were characterized powder X-ray diffraction (XRD), chemical analysis, photoelectron spectroscopy (XPS), scanning...

The present work reported the synthesis of visible-light-induced cobalt-doped zinc ferrite (Zn1-xCoxFe2O4) photocatalysts via a facile reduction–oxidation route, which involved rapid reduction Fe3+ and Co2+ cations in colloid mill reactor, followed by oxidation iron cobalt nuclei structural transformation under hydrothermal conditions. optical properties materials were characterized powder X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission (TEM), photoelectron...

Constructing surface defective structures (e.g., oxygen vacancies) on metal catalysts may alter their electronic properties, thus controlling the absorption and activation of reactant molecules resultantly governing catalytic activity. Herein, a series bimetallic CoNi nanocatalysts were fabricated to be employed in hydrodeoxygenation (HDO) lignin-derived vanillin produce methylcyclohexanol (MCYL). It was demonstrated that CoOx-decorated nanoparticles (NPs) could generated from...

In this paper, graphene-supported Ni nanocatalyst (Ni/G) was prepared via self-reduction of a hybrid Ni–Al layered double hydroxide/graphene (NiAl-LDH/G) composite precursor. NiAl-LDH/G nanocomposite assembled facile one-step coprecipitation route, which involved the nucleation and growth NiAl-LDH, simultaneously accompanied by reduction graphene oxide without addition any reducing agents. The characterization results demonstrated that NiAl-LDH nanoplatelets were homogeneously dispersed on...

As a promising renewable alternative to the production of petroleum-derived chemicals and energy, biomass transformation is attracting increasing attention in terms green chemical processes sustainable development. Specifically, selective aerobic oxidation cellulose-derived 5-hydroxymethylfurfural (HMF) into high value-added 2,5-furandicarboxylic acid (FDCA) regarded as one most attractive transformations due wide range its application prospects. Herein, we report synthesis highly efficient...

Highly efficient electrocatalytic oxygen evolution reactions over a hierarchical necklace-like nanohybrid fabricated <italic>via</italic> assembling Ni–Co phosphide hollow nanocages and nanosheets with carbon nanotubes.

Currently, the rational design of non-noble metal catalysts for highly efficient biomass upgrading into biofuels and chemicals is quite desired. In this regard, tuning oxophilic property can significantly impact their activity selectivities to target deoxygenated products in hydrodeoxygenation (HDO) lignin-derived phenolics. Herein, MoOx-decorated bimetallic Ni-Mo with a unique hierarchical flower-like micro/nanostructure were fabricated via facile dopamine-assisted hydrothermal approach...

Currently, direct catalytic CO2 hydrogenation to produce ethanol is an effective and feasible way for the resource utilization of CO2. However, constructing non-precious metal catalysts with satisfactory activity desirable selectivity remains a huge challenge. Herein, we reported gallium-promoted CuCo-based derived from single-source Cu-Co-Ga-Al layered double hydroxide precursors. It was manifested that introduction Ga species could strengthen strong interactions between Cu Co oxide...

Currently, the economic and environmental benefits of a C–C coupling technique for upgrading ethanol to produce higher alcohols call improved performance catalysts due limitations such as low reaction efficiency, high byproduct selectivity, easy catalyst deactivation. Meanwhile, there exists lack understanding roles active sites on catalysts, especially surface acid sites, in conversion. Herein, we developed new cost-effective metal phosphate-supported copper catalysts. Cu-support...

In the present work, hybrid nanocomposites of Zn-Cr layered double hydroxide (ZnCr-LDH) and graphene were assembled successfully via a simple one-step coprecipitation method. The assembly process included nucleation growth ZnCr-LDH crystals simultaneous reduction GO in absence additional reducing agents. experimental results revealed that nanoplatelets with diameter size ∼6 nm well dispersed on surface, as-assembled ZnCr-LDH/graphene exhibited significantly improved visible-light-driven...

Abstract The synthesis of highly efficient supported metal catalysts is vital importance for the modern development production chemicals. In this regard, biomass‐based chemical transformation holds potential promise through many heterogeneous catalytic processes. Herein, we report surface defect engineering on a carbon‐supported, Ru‐based catalyst by two‐step hybridization–self‐reduction route, which involves assembly hybrid composite ternary Co‐Al‐Ru layered double hydroxide (CoAlRu‐LDH)...

Presently, realizing high ethanol selectivity in CO2 electroreduction remains challenging due to difficult C–C coupling and fierce product competition. In this work, we report an innovative approach for improving the efficiency of Cu-based electrocatalysts generation from electrocatalytic reduction using a crystal plane modification strategy. These novel were fabricated by electrochemically activating three-dimensional (3D) flower-like CuO micro/nanostructures grown situ on copper foils...