3D derived N-doped carbon matrix from 2D ZIF-L as an enhanced stable catalyst for chemical fixation

• Published in: Microporous and mesoporous materials Vol. 285; pp. 80 - 88
• Main Authors: Ciprian, Matteo, Ruiz, Karla Hernandez, Kassymova, Meruyert, Wang, Tingting, Zhuiykov, Serge, Chaemchuen, Somboon, Tu, Rong, Verpoort, Francis
• Format: Journal Article
• Language: English
• Published: Elsevier Inc 01.09.2019
• Subjects: Carbonates; CO2 fixation; Heterogeneous catalyst; Pyrolysis; ZIF-L; ZIF-L; Pyrolysis; Heterogeneous catalyst; CO2 fixation; Carbonates
• ISSN: 1387-1811; 1873-3093
• DOI: 10.1016/j.micromeso.2019.04.053

3D metal N-doped carbon frameworks (M-NCFs) are produced from the direct pyrolysis of 2D zeolitic imidazolate frameworks (ZIF-L Zn and Co) in a reducing atmosphere. The effects of the thermal treatment were studied in order to achieve the desired catalyst. The results show that metal nanoparticles and N-doping species present in the carbon matrix have a direct influence on the catalytic performance. Zn/NCF-1000 displayed quantitative conversion and selectivity towards the chemical fixation of carbon dioxide through the cycloaddition with epoxides. Furthermore, the magnetic property of the newly synthesized Co/NCF-600 was used to demonstrate its superior stability and recyclability, retaining the same catalytic activity for more than 10 cycles. [Display omitted] •3D Zn/NCFs and Co/NCFs derived from 2D ZIF-L crystals were easily prepared.•Comparative study of the different M/NCFs as function of the thermal treatment.•Zn/NCF-1000 and Co/NCF-600 are excellent catalysts for CO2 fixation.•Enhanced structural stability ensures 10 recycles without activity loss.