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Materials 2018, 11(1), 159; doi:10.3390/ma11010159

Nitrogen-Containing Functional Groups-Facilitated Acetone Adsorption by ZIF-8-Derived Porous Carbon

School of Energy Science and Engineering, Central South University, Changsha 410083, China
College of Engineering and Applied Science, University of Cincinnati, Cincinnati, OH 45221, USA
Author to whom correspondence should be addressed.
Received: 19 December 2017 / Revised: 17 January 2018 / Accepted: 18 January 2018 / Published: 19 January 2018
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Nitrogen-doped porous carbon (ZC) is prepared by modification with ammonia for increasing the specific surface area and surface polarity after carbonization of zeolite imidazole framework-8 (ZIF-8). The structure and properties of these ZCs were characterized by Transmission electron microscopy, X-ray diffraction, N2 sorption, X-ray photoelectron spectroscopy and Fourier transform infrared spectroscopy. Through static adsorption tests of these carbons, the sample obtained at 600 °C was selected as an excellent adsorbent, which exhibited an excellent acetone capacity of 417.2 mg g−1 (25 °C) with a very large surface area and high-level nitrogen doping (13.55%). The microporosity, surface area and N-containing groups of the materials, pyrrolic-N, pyridinic-N, and oxidized-N groups in particular, were found to be the determining factors for acetone adsorption by means of molecular simulation with density functional theory. These findings indicate that N-doped microporous carbon materials are potential promising adsorbents for acetone. View Full-Text
Keywords: ZIF-8; porous carbon; nitrogen-containing functional groups; acetone adsorption ZIF-8; porous carbon; nitrogen-containing functional groups; acetone adsorption

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Li, L.; Ma, X.; Chen, R.; Wang, C.; Lu, M. Nitrogen-Containing Functional Groups-Facilitated Acetone Adsorption by ZIF-8-Derived Porous Carbon. Materials 2018, 11, 159.

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