Results 21 to 30 of about 1,785,034 (337)
Unraveling sulfur chemistry in interstellar carbon oxide ices
Nature Communications, 2022 The authors report photolytic H atom transfer reactions of HOSO• in astronomical CO & CO2 ices, forming reactive acyl radicals & molecular complexes with SO & SO2.
Xiaolong Li +7 more
doaj +1 more source
Scientific Reports, 2022 In this study, a heterogeneous nanocatalyst is presented that is capable to efficiently catalyze the synthetic reactions of amide bond formation between the amino acids. This nanocatalyst which is named Fe3O4@SiO2/TABHA (TABHA stands for thio-aza-bicyclo-
Reza Taheri-Ledari +4 more
doaj +1 more source
Well-defined silica-supported olefin metathesis catalysts [PDF]
, 2009 Two triethoxysilyl-functionalized N-heterocyclic carbene ligands have been synthesized and used to prepare the corresponding second-generation ruthenium olefin metathesis catalysts.
Allen, Daryl P. +2 more
core +1 more source
Scientific Reports, 2023 In this research, mesoporous carbon (MC) with high efficiency (0.65 g yield from 1.0 g MCM-41 and 1.25 g sucrose) was successfully prepared by adding carbon precursor (sucrose) in a single step with ultrasonic waves, which reduces time and energy cost ...
Hossein Ghafuri +4 more
doaj +1 more source
Electro-oxidation of Ethanol on Carbon Supported PtSn and PtSnNi Catalysts [PDF]
, 2016 Even though platinum is known as an active electro-catalyst for ethanol oxidation at low temperatures (< 100 oC), choosing the electrode material for ethanol electro-oxidation is a crucial issue.
Hidayati, Nur, Scott, Keith
core +2 more sources
Single-Atom Catalysts across the Periodic Table.
Chemical Reviews, 2020 Isolated atoms featuring unique reactivity are at the heart of enzymatic and homogeneous catalysts. In contrast, although the concept has long existed, single-atom heterogeneous catalysts (SACs) have only recently gained prominence.
S. Kaiser +4 more
semanticscholar +1 more source
Polyoxometalate-intercalated layered double hydroxides as efficient and recyclable bi-functional catalysts for cascade reactions [PDF]
, 2016 The polyoxometalate (POM) intercalated-layered double hydroxides (LDHs) have been widely used as heterogeneous catalysts. However, the application of POM-LDHs as bi-functional catalysts for cascade reaction has seldom been studied comparing with the ...
Angelescu +41 more
core +1 more source
Chemically Ordered Pt–Co–Cu/C as Excellent Electrochemical Catalyst for Oxygen Reduction Reaction [PDF]
, 2020 This paper reveals the ordered structure and composition effect to electrochemical catalytic activity towards oxygen reduction reaction (ORR) of ternary metallic Pt–Co–Cu/C catalysts. Bimetallic Pt-Co alloy nanoparticles (NPs) represent an emerging class
Fu, Richard +5 more
core +1 more source
Scientific Reports, 2022 The tubular magnetic agar supported ZnS/CuFe2O4 nanocomposite was fabricated via a simple procedure. Next, various properties of this nanocomposite were studied by employing multiple characterization techniques including FT-IR, EDX, SEM, TEM,VSM, XRD ...
Fereshte Hassanzadeh-Afruzi +4 more
doaj +1 more source
Pyrolysis-catalytic reforming/gasification of waste tires for production of carbon nanotubes and hydrogen [PDF]
, 2015 The production of high-value carbon nanotubes and hydrogen from the two-stage pyrolysis catalytic-steam reforming/gasification of waste tires have been investigated. The catalysts used were Co/Al₂ O₃ , Cu/Al₂ O₃ , Fe/Al₂ O₃ and Ni/Al₂ O₃ .
Nahil, Mohamad A. +3 more
core +3 more sources