Abstract Selective reduction of ketone/aldehydes to alcohols is great importance in green chemistry and chemical engineering. Highly efficient catalysts are still demanded work under mild conditions, especially at room temperature. Here we present a synergistic function single-atom palladium (Pd 1 ) nanoparticles NPs on TiO 2 for highly hydrogenation Compared simple but inferior Pd /TiO catalysts, more than twice activity enhancement achieved with the 1+NPs catalyst that integrates both...

Abstract An aerosol‐spray‐assisted approach (ASAA) is proposed and confirmed as a precisely controllable continuous method to fabricate amorphous mixed metal oxides for electrochemical water splitting. The proportion of elements can be accurately controlled within (5±5) %. products sustainably obtained, which highly suitable industrial applications. ASAA was used show that Fe 6 Ni 10 O x the best catalyst among investigated Fe‐Ni‐O series with an overpotential low 0.286 V (10 mA cm −2 )...

In this paper, we successfully fabricate a stable and highly efficient direct sunlight plasmonic photocatalyst Ag-AgBr through facile hydrothermal subsequently sunlight-induced route. The diffuse reflectance spectra of indicate strong absorption in both UV visible light region. obtained shows excellent sunlight-driven photocatalytic performance. It can decompose organic dye within several minutes under irradiation maintain high level even though used five times. addition, the scanning...

A mesoporous MnCo2 O4 electrode material is made for bifunctional oxygen electrocatalysis. The exhibits both Co3 -like activity evolution reaction (OER) and Mn2 O3 performance reduction (ORR). potential difference between the ORR OER of as low 0.83 V. By XANES XPS investigation, notable results from preferred MnIV - CoII -rich surface. can be obtained on large-scale with precise chemical control components at relatively temperature. surface state engineering may open a new avenue to optimize...

Abstract Carbon‐based transition‐metal oxides are considered as an appropriate anode material candidate for lithium‐ion batteries. Herein, a simple and scalable dry production process is developed to produce carbon‐encapsulated 3D net‐like FeO x /C materials. The simply associated with the pyrolysis of solid carbon source, such filter paper, adsorbed ferrite nitrate. derived from paper induces carbothermal reduction form metallic Fe, addition iron increase conductivity this material. As...

In this paper, single-crystalline α-Fe2O3 oblique nanoparallelepipeds are fabricated in high yield via a facile surfactant-free hydrothermal method, which involves oriented aggregation and Ostwald ripening. The obtained nanocrystals have exposed facets of {012}, {01-4} {-210} with rhombohedral structure. gas sensors based on the as-synthesized nanostructures exhibit sensitivity, short recovery time, good reproducibility ethanol acetone. superiority gas-sensing properties should be attributed...

This paper reported a facile template-free route to prepare hierarchical Fe3O4–Co3O4 yolk–shell nanostructures. These highly porous architectures, with diameter of about 2 μm, were assembled from Co3O4 flower-like shells and Fe3O4 sphere core. A series experiments different conditions carried out determine the key factors in this typical solvothermal synthesis that led formation obtained nanostructures, possible growth mechanism was proposed. Sequentially, some other similar metal oxide...

In this article, AgVO3@AgBr@Ag nanobelt heterostructures were fabricated as an efficient visible-light photocatalyst through a hydrothermal process, anion-exchange reaction, and light-induced reduction. SEM TEM characterization revealed that anion exchange followed by reduction is method to synthesize well-dispersed AgBr@Ag nanoparticles on the surface of AgVO3 nanobelts. The composite efficiently combines active AgBr with plasmon resonance (SPR) effect Ag nanoparticles. obtained catalyst...

A facile one-step solution reaction route for growth of novel MoS2 nanorose cross-linked by 3D rGO network, in which the is constructed single-layered or few-layered nanosheets, presented. Due to assembled hierarchical architecture ultrathin nanosheets and interconnection as well synergetic effects rGO, as-prepared MoS2-NR/rGO nanohybrids delivered high specific capacity, excellent cycling good rate performance when evaluated an anode material lithium-ion batteries. Moreover, also show...

Formic acid is receiving intensive attention as being one of the most progressive chemical fuels for electrochemical reduction carbon dioxide. However, majority catalysts suffer from low current density and Faraday efficiency. To this end, an efficient catalyst In/Bi-750 with InOx nanodots load prepared on a two-dimensional nanoflake Bi2 O2 CO3 substrate, which increases adsorption * CO2 due to synergistic interaction between bimetals exposure sufficient active sites. In H-type electrolytic...

It is a known fact that Pd-based bimetallic nanostructures possess unique properties and excellent catalytic performance. In this work, the Au-Pd alloy core-shell have been prepared by simple one-pot hydrothermal coreduction route, their formation process mechanism are discussed in detail. A reducing capacity-induced controlled proposed for of nanostructures. CTAB plays key role When absent, products typical Moreover, as-prepared exhibit electrocatalytic ORR performance alkaline media,...

In this communication, we prepare a Au-Pt yolk-shell structure through galvanic displacement strategy and explore its electrocatalytic properties for methanol oxidation. It exhibits high activity with notable CO-tolerance.

Abstract Abundant iron group metal oxides and their composites possess great potential in the application of electrochemical energy storage conversion. In this work, we obtained Co–Fe–O composites/reduced graphene (CFO/rGO) hybrid structures, engineered compositions, phase, structures by a facile hydrothermal route, studied composition‐dependent activity for oxygen evolution reaction (OER) alkaline media. It is found that synergetic effects bring clear decrease overpotential Tafel slope...

In this work, Ag–Au bimetallic nanostructures with various component ratios were successfully synthesized through a simple kinetic controlled co-reduction route at room temperature. The structure and composition of the as-obtained products has been adjusted characterized by scanning electron microscopy (SEM), transmission (TEM), energy dispersive spectrometer (EDX) elemental mapping, inductively coupled plasma-atomic emission spectroscopy (ICP-AES) UV-visible spectra. Meanwhile, Ag67.3Au32.7...

Abstract Herein we report a gentle seedless and surfactant‐free method for the preparation of clean‐surface porous platinum nanoparticles. In terms electrocatalytic CH 3 OH oxidation, exhibited better performance than nanoparticles commercial Pt/C catalyst. The nanostructures 2.26‐fold higher mass activity 2.8‐fold greater specific More importantly, three typical surfactants, cetyltrimethylammonium bromide/chloride (CTAB/C), poly(vinylpyrrolidone), sodium dodecyl sulfate, were chosen to...

Abstract A mesoporous MnCo 2 O 4 electrode material is made for bifunctional oxygen electrocatalysis. The exhibits both Co 3 ‐like activity evolution reaction (OER) and Mn performance reduction (ORR). potential difference between the ORR OER of as low 0.83 V. By XANES XPS investigation, notable results from preferred IV ‐ II ‐rich surface. can be obtained on large‐scale with precise chemical control components at relatively temperature. surface state engineering may open a new avenue to...

Abstract An aerosol‐spray‐assisted approach (ASAA) is proposed and confirmed as a precisely controllable continuous method to fabricate amorphous mixed metal oxides for electrochemical water splitting. The proportion of elements can be accurately controlled within (5±5) %. products sustainably obtained, which highly suitable industrial applications. ASAA was used show that Fe 6 Ni 10 O x the best catalyst among investigated Fe‐Ni‐O series with an overpotential low 0.286 V (10 mA cm −2 )...

Pt-based nanocomposites have been of great research interest. In this paper, we design an efficient MO/rGO/Pt sandwich nanostructure as anodic electrocatalyst for DMFCs with combination the merits rigid structure metallic oxides (MOs) and excellent electronic conductivity reduced oxidized graphene (rGO) well overcoming their shortcomings. case, CeO2/rGO/Pt is successfully fabricated through a facile hydrothermal approach in presence oxide CeO2 nanoparticles. This has unique building...

Abstract Preparing nonprecious metal catalysts with high activity in the oxygen reduction reaction (ORR) can promote development of energy conversion devices. Support‐free porous Mn 2 O 3 was synthesized by a facile aerosol‐spray‐assisted approach (ASAA) and subsequent thermal treatment, exhibited ORR that is comparable to commercial Pt/C The catalyst also exhibits notably higher than other Mn‐based oxides, such as 4 MnO . rotating ring disk electrode (RRDE) study indicates typical...

ADVERTISEMENT RETURN TO ISSUEPREVCommunicationNEXTAtomically Dispersed Pt/Metal Oxide Mesoporous Catalysts from Synchronous Pyrolysis–Deposition Route for Water–Gas Shift ReactionLong Kuai*Long KuaiSchool of Chemical and Biological Engineering, Anhui Polytechnic University, Beijing Middle Road, Wuhu 241000, China*L. Kuai. E-mail: [email protected]More by Long Kuaihttp://orcid.org/0000-0002-8633-0320, Shoujie LiuShoujie LiuCollege Chemistry Materials Science, The Key Laboratory Functional...