Synthesis and Properties of Nitrogen-Doped Mesoporous Carbon Materials Obtained by Templating of SBA-15 with Melamine-Formaldehyde Resin

2012 ◽  
Vol 554-556 ◽  
pp. 778-782 ◽  
Author(s):  
Chao Liu ◽  
Yong Qi Hu ◽  
Yi Feng Yu ◽  
Yue Zhang ◽  
Yan Yan Wang ◽  
...  

Nitrogen-doped mesoporous carbon materials have been synthesized by using melamine-formaldehyde resin as carbon precursor and SBA-15 as a removable template. The structure of the materials was investigated by X-ray diffraction, BET specific surface area analysis, Fourier transform infrared spectroscopy, and thermogravimetric analysis. X-ray and BET studies confirmed that a pore nanostructure is inherited from the silica templates. Fourier transform infrared spectroscopy analysis showed N atoms are strongly bonded in the carbon structure in heterocycles or nitrile functions. These mesoporous nitrogen-doped carbon materials exhibits textural properties with BET surface areas ranging between 400 and 600 m2/g and uniform pore size(3.9 nm). The mechanism of carbonization process is studied by thermogravimetric analysis. The ratio of melamine/formaldehyde plays an important role during the carbonization process for the surface areas and textural properties, and element analysis reveals that the nitrogen content of the mesoporous carbon materials is as high as 10wt%.

Materials ◽  
2019 ◽  
Vol 12 (8) ◽  
pp. 1207 ◽  
Author(s):  
Ruiping Wei ◽  
Xingchao Dai ◽  
Feng Shi

Nitrogen-doped carbon materials with enhanced CO2 adsorption were prepared by the salt and base co-activation method. First, resorcinol-formaldehyde resin was synthesized with a certain salt as an additive and used as a precursor. Next, the resulting precursor was mixed with KOH and subsequently carbonized under ammonia flow to finally obtain the nitrogen-doped carbon materials. A series of samples, with and without the addition of different salts, were prepared, characterized by XRD (X-ray powder diffraction), elemental analysis, BET (N2-adsorption-desorption analysis), XPS (X-ray photoelectron spectroscopy) and SEM (Scanning electron microscopy) and tested for CO2 adsorption. The results showed that the salt and base co-activation method has a remarkable enhancing effect on the CO2 capture capacity. The combination of KCl and KOH was proved to be the best combination, and 167.15 mg CO2 could be adsorbed with 1 g nitrogen-doped carbon at 30 °C under 1 atm pressure. The materials characterizations revealed that the introduction of the base and salt could greatly increase the content of doped nitrogen, the surface area and the amount of formed micropore, which led to enhanced CO2 absorption of the carbon materials.


2020 ◽  
Vol 58 ◽  
pp. 197-204
Author(s):  
Juan Du ◽  
Aibing Chen ◽  
Yue Zhang ◽  
Shuang Zong ◽  
Haixia Wu ◽  
...  

2018 ◽  
Vol 3 (45) ◽  
pp. 12960-12966 ◽  
Author(s):  
Shujun Qiu ◽  
Wei Gao ◽  
Hongliang Peng ◽  
Hailiang Chu ◽  
Zehao Li ◽  
...  

RSC Advances ◽  
2015 ◽  
Vol 5 (119) ◽  
pp. 98177-98183 ◽  
Author(s):  
Jiucun Chen ◽  
Yinqin Liu ◽  
Wenjun Li ◽  
Huan Yang ◽  
Liqun Xu

We used ZnO nanoparticles as a hard template and egg white as a precursor to successfully synthesize nitrogen-doped mesoporous carbon materials and the as-prepared material was further used as an electrode material for supercapacitor applications.


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