Jump to main content
Jump to site search

Issue 42, 2016
Previous Article Next Article

Facile synthesis of nitrogen-doped, hierarchical porous carbons with a high surface area: the activation effect of a nano-ZnO template

Author affiliations

Abstract

Hierarchical porous carbons have recently attracted much attention due to their unique features in practical applications, but suffer from the complex and costly synthesis procedure. In this work, a simple but very effective method was proposed to synthesize nitrogen-doped, hierarchical porous carbons with a high surface area by one-step pyrolysis of nano-ZnO/gelatin composites. During pyrolysis, zinc oxide nanoparticles act as not only a hard template to create mesopores, but also an activating agent to create micropores as well as enlarge the pore sizes of the mesopores, making the carbon possess a developed hierarchical porous structure with a high BET surface area of 2412 m2 g−1 and a large pore volume of 3.436 cm3 g−1. The activation effect of nano-ZnO was investigated by thermogravimetric analysis, carbon yield, nitrogen adsorption–desorption measurements, SEM, TEM and so on. The pyrolysis temperature has an important influence on the properties of the carbon materials. Both the BET surface area and pore volume increase dramatically with the pyrolysis temperature. Being used as an electrode material for supercapacitors, the developed hierarchical porous structure endows the carbon with superior rate capability.

Graphical abstract: Facile synthesis of nitrogen-doped, hierarchical porous carbons with a high surface area: the activation effect of a nano-ZnO template

Back to tab navigation
Please wait while Download options loads

Supplementary files

Publication details

The article was received on 17 Aug 2016, accepted on 02 Sep 2016 and first published on 05 Sep 2016


Article type: Paper
DOI: 10.1039/C6TA07047G
Citation: J. Mater. Chem. A, 2016,4, 16341-16348
  •   Request permissions

    Facile synthesis of nitrogen-doped, hierarchical porous carbons with a high surface area: the activation effect of a nano-ZnO template

    S. Yu, H. Wang, C. Hu, Q. Zhu, N. Qiao and B. Xu, J. Mater. Chem. A, 2016, 4, 16341
    DOI: 10.1039/C6TA07047G

Search articles by author