期刊
RSC ADVANCES
卷 7, 期 9, 页码 5093-5100出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra27000j
关键词
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资金
- Natural Science Foundation of China [21671173]
- Zhejiang Provincial Natural Science Foundation of China [LR14B010001]
- Zhejiang Provincial Public Welfare Project [2016C31015]
In this work, we have developed a facile sacrificial template method to prepare one-dimensional (1D) porous CdO/CdFe2O4 hybrid nanoneedles (HNNs) with uniform pore size distribution and structural stability for the first time. The solid 1D Cd2Fe(CN)(6) NNs with a smooth surface are first synthesized and used as sacrificial templates through a simple low-temperature hydrothermal process. After thermal treatment, the solid precursor NNs can be transformed into the corresponding porous CdO/CdFe2O4 HNNs. Due to the large-scale production and unique structural features, the as-prepared porous CdO/CdFe2O4 HNNs can serve as a highly efficient adsorbent towards removal of Congo red (CR) from aqueous solution with a maximum adsorption capacity of 1491 mg g(-1). Furthermore, the adsorption process of CR on porous CdO/CdFe2O4 HNNs was systematically carried out, indicating that the Langmuir model and the pseudo-second-order kinetics model can describe well the adsorption behavior. The result demonstrates that the as-prepared porous CdO/CdFe2O4 HNNs may be a promising candidate in dye effluent treatment.
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