scholarly journals Synthesis and characterization of boron-doped ordered mesoporous carbon by evaporation induced self-assembly under HCl conditions

RSC Advances ◽  
2017 ◽  
Vol 7 (14) ◽  
pp. 8250-8257 ◽  
Author(s):  
Yan Zhang ◽  
Wenwen Dai ◽  
Yujian Liu ◽  
Binge Ma
Keyword(s):  
Self Assembly ◽  
Driving Force ◽  
Mesoporous Carbon ◽  
Boron Content ◽  
Mesoporous Structure ◽  
Synthesis And Characterization ◽  
Boron Doped ◽  
Ordered Mesoporous ◽  
Evaporation Induced Self Assembly

With double-layer hydrogen bonding and electrostatic Coulomb forces acting as the driving force, the obtained B-OMC has the well-ordered mesoporous structure, highest surface area (689.85 m2 g−1) and boron content (1.96 wt%) when pH = 4.

Ordered mesoporous carbon in solid-phase microextraction for analysis of volatile organic compounds in water samples

2019 ◽  
Vol 11 (29) ◽  
pp. 3741-3749
Author(s):  
Bo Liu ◽  
Yaqiong Hao ◽  
Lixiao Wang ◽  
Mengyun Li ◽  
Hui Jiang
Keyword(s):  
Self Assembly ◽  
Mesoporous Carbon ◽  
Solid Phase ◽  
Dip Coating ◽  
Ordered Mesoporous Carbon ◽  
Ordered Mesoporous ◽  
Volatile Organic ◽  
Coating Method ◽  
Evaporation Induced Self Assembly ◽  
Dip Coating Method

An ordered mesoporous carbon (OMC) film supported on graphite fiber was prepared by a dip-coating method combined with a solvent evaporation induced self-assembly (EISA) strategy.

scholarly journals Ni-containing catalysts based on ordered mesoporous MgO–Al2O3for methane dry reforming

2018 ◽  
Vol 5 (1) ◽  
pp. 59-66 ◽  
Author(s):  
Svetlana Pavlova ◽  
Yuliya Fedorova ◽  
Arkadii Ishchenko ◽  
Maxim Melgunov ◽  
Elena Melgunova ◽  
...  
Keyword(s):  
Self Assembly ◽  
Mesoporous Structure ◽  
Dry Reforming ◽  
One Pot ◽  
Methane Dry Reforming ◽  
Pluronic P123 ◽  
Ordered Mesoporous ◽  
Evaporation Induced Self Assembly ◽  
The One ◽  
Adsorption Desorption

Abstract The ordered mesoporous Mg- and Ni-Mg-alumina samples of general formula xwt%Mg-Al2O3 and ywt%Nixwt% Mg-Al2O3(x, y = 5, 10 % wt) have been prepared by the one-pot evaporation induced self-assembly (EISA) method using Pluronic P123 as a template. The textural and structural properties of the prepared samples have been characterized by N2adsorption-desorption analysis, BET, XRD, TEM with EDX, HAADF-STEM, and H2-TPR. The samples calcined at 700°C had an ordered mesoporous structure with a SSA of 170-250 m2/g, a pore volume of 0.5-0.64 cm3/g and a narrow distribution of the pore size (mean 12-16 nm). For the catalysts prepared by the one-pot EISA method, the size of the metal Ni particles was in the range of 3-12 nm and was conditioned by their confinement in the mesopores and the interaction with MgO and Al2O3. Testing in methane dry reforming in the 15v.% CH4+ 15v.%CO2feed, with He balance, at 650-750°C and the contact time of 0.015 s has shown the higher activity and stability of the ordered mesoporous 10w%Ni- 10w%Mg-Al2O3catalysts prepared by the one-pot method as compared with the catalyst of the same composition obtained by impregnation.

One-pot self-assembly synthesis of Ni-doped ordered mesoporous carbon for quantitative hydrogenation of furfural to furfuryl alcohol

2021 ◽  
Vol 23 (4) ◽  
pp. 1861-1870
Author(s):  
Yiwei Tang ◽  
Mo Qiu ◽  
Jirui Yang ◽  
Feng Shen ◽  
Xiaoqi Wang ◽  
...  
Keyword(s):  
Self Assembly ◽  
Furfuryl Alcohol ◽  
Mesoporous Carbon ◽  
High Catalytic Activity ◽  
Carbon Precursor ◽  
Assembly Process ◽  
One Pot ◽  
Ordered Mesoporous ◽  
Furfural Hydrogenation ◽  
Evaporation Induced Self Assembly

Ni-Doped OMC with high catalytic activity and stability for furfural hydrogenation to furfuryl alcohol was prepared by a one-pot evaporation-induced self-assembly process with biomass-derived gallic acid as carbon precursor and Ni2+ as crosslinker.

Synthesis and Characterization of Magnetic Mesoporous Ɣ-FE2O3/SIO2

2014 ◽  
Vol 879 ◽  
pp. 128-133
Author(s):  
Nur Shuhada Shaari ◽  
Suhaina Mohd Ibrahim ◽  
Farinaa Md Jamil ◽  
Zuhana Ahmad Zubir ◽  
A.M. Abdullah ◽  
...  
Keyword(s):  
Magnetic Properties ◽  
Iron Oxide ◽  
Self Assembly ◽  
Quantum Interference ◽  
Silica Matrix ◽  
Synthesis And Characterization ◽  
Vibrating Sample Magnetometer ◽  
Superconducting Quantum Interference Device ◽  
Evaporation Induced Self Assembly

Magneticmesoporousɣ-Fe2O3/SiO2 synthesized using an evaporation-induced self-assembly (EISA) approach. The non-ionictriblock copolymer P123 was used as surfactant template with various amounts of iron oxide (1.8g-2.4g) and varied during the synthesis. Characterizations of the surface area and magnetic properties for prepared materials were done using N2-sorption analyses, and a superconducting quantum interference device interfaced with a vibrating sample magnetometer (SQUID-VSM) respectively. From this study, N2-sorption analysis indicated that most of the ɣ-Fe2O3domains of several nanometres were embedded in the silica matrix. In addition, the obtained magneticmesoporouscomposite which contains 2.3g amount ofiron oxide has revealedhigher magnetism saturation value of (4.564 emu/g) compared to other prepared samples which been evaluated by VSM analysis.

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