New Synthesis of Mo2C 14 nm in Average Size Supported on a High Specific Surface Area Carbon Material

1998 ◽  
Vol 141 (1) ◽  
pp. 114-120 ◽  
Author(s):  
Delphine Mordenti ◽  
Dominique Brodzki ◽  
Gérald Djéga-Mariadassou
Keyword(s):  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
Carbon Material ◽  
High Specific Surface Area ◽  
New Synthesis ◽  
Average Size

Carbon material with high specific surface area and high pseudocapacitance: Possible application in supercapacitors

2021 ◽  
Vol 319 ◽  
pp. 111063
Author(s):  
Yury M. Volfkovich ◽  
Valentin E. Sosenkin ◽  
Alexei Y. Rychagov ◽  
Alexandr V. Melezhik ◽  
Alexei G. Tkachev ◽  
...  
Keyword(s):  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
Carbon Material ◽  
High Specific Surface Area

A new synthesis methodology for SiO2 gel-based nanostructures and their application for elimination of dye pollutants

2020 ◽  
Vol 44 (14) ◽  
pp. 5386-5395
Author(s):  
Mehrdad Farjood ◽  
M. A. Zanjanchi
Keyword(s):  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
High Specific Surface Area ◽  
Dye Pollutants ◽  
New Synthesis ◽  
Synthesis Methodology

A new procedure for preparation of a high specific surface area silica-based nanostructure and its copper-containing active photocatalyst is described.

Amorphous Calcium Phosphate Biomaterials with High Specific Surface Area

2021 ◽  
Author(s):  
◽  
Jana Vecstaudža
Keyword(s):  
Calcium Phosphate ◽  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
Amorphous Calcium Phosphate ◽  
Synthesis Method ◽  
High Specific Surface Area ◽  
Structure Stability ◽  
Tissue Replacement ◽  
New Synthesis

The Doctoral Thesis is devoted to synthesis and characterization of amorphous calcium phosphate materials with emphasis on their specific surface area. Ways of optimization of an existing synthesis method are investigated experimentally as well as the development of a new synthesis method for obtaining amorphous calcium phosphate with specific surface area value close to the biological calcium phosphate (>100 m2/g). Amorphous calcium phosphate obtained with the developed method is studied for its structure, stability, thermal properties, furthermore, dense amorphous calcium phosphate bioceramics has been developed using the principles of cold sintering process. The developed biomaterials are intended for bone tissue replacement and regeneration. The Thesis is prepared as a collection of articles. It contains a summary and four publications.

scholarly journals Efficient Removal of Methylene Blue from Aqueous Solutions Using a High Specific Surface Area Porous Carbon Derived from Soybean Dreg

Materials ◽  
2021 ◽  
Vol 14 (7) ◽  
pp. 1754
Author(s):  
Zhiwei Ying ◽  
Lu Huang ◽  
Lili Ji ◽  
He Li ◽  
Xinqi Liu ◽  
...  
Keyword(s):  
Electron Microscopy ◽  
Methylene Blue ◽  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
Porous Carbon ◽  
Carbon Material ◽  
High Specific Surface Area ◽  
Maximum Adsorption Capacity ◽  
X Ray

Porous carbon material with high specific surface area was prepared from soybean dreg by a simple and effective two-step method (high temperature pyrolysis and activation). The structural characteristics of the synthesized carbon were evaluated by Brunauer–Emmett–Teller (BET), N2 adsorption/desorption measurements/techniques, an elemental analyzer (EA), scanning electron microscopy equipped with energy dispersive X-ray spectroscopy (SEM-EDS), transmission electron microscopy (TEM), an X-ray diffractometer (XRD), Raman spectroscopy (Raman), a Fourier transform infrared spectrometer (FTIR), and X-ray photoelectron spectroscopy (XPS). The specific surface area of SDB-6-K was 2786 m2 g−1, the pore volume was 2.316 cm3 g−1, and the average pore size was 3.326 nm. The high specific surface area and effective functional groups of carbon material promoted the adsorption of methylene blue. The maximum adsorption capacity of SDB-6-K to methylene blue was 2636 mg g−1 at 318 K. The adsorption kinetic and isotherm data were most suitable for pseudo-second-order and Langmuir equations. The results showed that the adsorbent had excellent adsorptive ability and had good practical application potential in the field of dye wastewater treatment in the future.

scholarly journals Nanoporous Quasi-High-Entropy Alloy Microspheres

Metals ◽  
2019 ◽  
Vol 9 (3) ◽  
pp. 345 ◽  
Author(s):  
Lianzan Yang ◽  
Yongyan Li ◽  
Zhifeng Wang ◽  
Weimin Zhao ◽  
Chunling Qin
Keyword(s):  
Mechanical Properties ◽  
Solid Solution ◽  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
High Specific Surface Area ◽  
High Entropy Alloy ◽  
Face Centered Cubic ◽  
High Entropy ◽  
Hierarchical Porous

High-entropy alloys (HEAs) present excellent mechanical properties. However, the exploitation of chemical properties of HEAs is far less than that of mechanical properties, which is mainly limited by the low specific surface area of HEAs synthesized by traditional methods. Thus, it is vital to develop new routes to fabricate HEAs with novel three-dimensional structures and a high specific surface area. Herein, we develop a facile approach to fabricate nanoporous noble metal quasi-HEA microspheres by melt-spinning and dealloying. The as-obtained nanoporous Cu30Au23Pt22Pd25 quasi-HEA microspheres present a hierarchical porous structure with a high specific surface area of 69.5 m2/g and a multiphase approximatively componential solid solution characteristic with a broad single-group face-centered cubic XRD pattern, which is different from the traditional single-phase or two-phase solid solution HEAs. To differentiate, these are named quasi-HEAs. The synthetic strategy proposed in this paper opens the door for the synthesis of porous quasi-HEAs related materials, and is expected to promote further applications of quasi-HEAs in various chemical fields.

KCl-assisted activation: Moringa oleifera branch-derived porous carbon for high performance supercapacitor

2021 ◽  
Vol 45 (12) ◽  
pp. 5712-5719
Author(s):  
Yongxiang Zhang ◽  
Peifeng Yu ◽  
Mingtao Zheng ◽  
Yong Xiao ◽  
Hang Hu ◽  
...  
Keyword(s):  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
Porous Carbon ◽  
High Performance ◽  
Moringa Oleifera ◽  
High Specific Surface Area ◽  
Porous Carbons

Porous carbons with a high specific surface area (2314–3470 m2 g−1) are prepared via a novel KCl-assisted activation strategy for high-performance supercapacitor.

Efficient conversion of CO2 to methane using thin-layer SiOx matrix anchored nickel catalysts

2019 ◽  
Vol 43 (33) ◽  
pp. 13217-13224 ◽  
Author(s):  
Xieyi Huang ◽  
Peng Wang ◽  
Zhichao Zhang ◽  
Shaoning Zhang ◽  
Xianlong Du ◽  
...  
Keyword(s):  
Thin Layer ◽  
Specific Surface ◽  
Surface Area ◽  
Specific Surface Area ◽  
Geometric Structure ◽  
Nickel Catalysts ◽  
High Specific Surface Area ◽  
Efficient Conversion

Thin-layer SiOx matrix anchored nickel catalysts with high specific surface area and a unique electronic/geometric structure were fabricated for efficient CO2 methanation.

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