煅烧
吸附
微球
材料科学
碳纤维
亚甲蓝
化学工程
热液循环
模板方法模式
朗缪尔吸附模型
比表面积
朗缪尔
纳米技术
催化作用
化学
复合材料
有机化学
光催化
复合数
工程类
标识
DOI:10.1016/j.cplett.2019.07.017
摘要
Carbon microsphere was synthesized from glucose via hydrothermal method, and then alumina hollow microsphere was prepared using carbon template. At reaction time of 6 h, the carbon sphere displayed uniform diameter of 800 nm. After removal of carbon core during calcination, it obtained 600 nm of γ-Al2O3 hollow sphere with shell thickness of 80 nm and surface area of 186 m2/g. For adsorption of methylene blue, material exhibited adsorption capacity of 26.5 ± 1.2 mg/g, fitting well with Langmuir isotherm. It is demonstrated that calcining carbon template was an effective and facile approach to obtain hollow sphere material.
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