期刊
RSC ADVANCES
卷 4, 期 3, 页码 1469-1475出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ra45354e
关键词
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资金
- Program for Changjiang Scholar and Innovative Research Team in University [IRT0972]
- National Natural Science Foundation of China [20971094, 21176169, 51152001]
- Ph.D. Programs Foundation of Ministry of Education of China [20101402110007]
- International S&T Co-operation Program of Shanxi Province [2010081017]
- Shanxi Scholarship Council of China [2012-038]
- Hundred Talent Program of the Chinese Academy of Sciences
Molecularly imprinted polymers on GO nanosheets (MIPs/GO) for desulfurization are synthesized using dibenzothiophene (DBT) as template, methacrylic acid (MAA) as monomer and ethylene glycol dimethacrylate (EGDMA) as cross-linker. The formation of this hybrid material is verified by Fourier transform infrared spectroscopy, thermal gravimetric and atomic force microscopy analysis. The adsorption results show that the prepared MIPs/GO exhibit excellent adsorption capacity (up to 181.9 mg g(-1) at 298 K) and fast mass transfer and binding kinetics for DBT. The kinetics and isotherm data can be well described by the pseudo-first-order kinetic model and the Freundlich isotherm, respectively. Competitive adsorption experiments demonstrate that MIPs/GO show higher affinity toward target molecule DBT than toward structural analogue benzothiophene.
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