Abstract：
:Herein, a facile strategy to fabricate the novel manganese oxide-imprinted mesoporous carbons (MOPCx, x presents for pyrolysis temperature) was described via the direct pyrolysis of Mn2(BDC)2(DMF)2 (BDC = 1,4-benzenedicarboxylate, DMF = N,N-dimethylformamide) as a self-sacrificed template at various temperatures (x = 550, 750, and 950 °C). The characterization results demonstrated the existence of MnO embedded in carbon structures with different morphologies, and enhancing surface areas (249.86-294.67 m2/g) compared with their precursor (3.59 m2/g). For methylene blue adsorption experiments, the MOPC pyrolyzed at 950 °C (MOPC950) revealed the best candidate with maximum uptake capacity (124.1 mg/g), so far higher than other MOPCx and Mn2(BDC)2(DMF)2 materials. Finally, adsorption mechanisms involving H-bond, and π-π interaction were proposed via the chemisorption between surface functional groups (carboxyl, phenol, lactone, and base).
journal_name
Chemospherejournal_title
Chemosphereauthors
Van Tran T,Nguyen DTC,Le HTN,Duong CD,Bach LG,Nguyen HT,Nguyen TDdoi
10.1016/j.chemosphere.2019.04.079subject
Has Abstractpub_date
2019-07-01 00:00:00pages
455-461eissn
0045-6535issn
1879-1298pii
S0045-6535(19)30726-Xjournal_volume
227pub_type
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