氮化硼
多孔性
硼
材料科学
氮化物
化学工程
纳米技术
化学
复合材料
工程类
有机化学
图层(电子)
作者
Guanhui Wang,Yu Gaosheng,Runlin Han
标识
DOI:10.1016/j.dwt.2024.100024
摘要
The structure of hexagonal boron nitride (h-BN) is similar to that of graphite, which has strong reducibility and adsorbability. In this study, boron nitride precursor was made using melamine as a nitrogen source and boric acid as a source of boron under hydrothermal conditions, and the precursor was subsequently burned to create porous BN at a certain temperature. Effect of NH4HCO3 content on the porosity and structure of the materials was investigated to improve the adsorption performance of h-BN. The morphology, composition and structure of the materials were analyzed by scanning electron microscope, energy spectrum analyzer and X-ray diffraction. According to the findings, BN has a greater specific surface area of 169.29 m2/g under optimal preparation circumstances, which increases its capacity for adsorption. When the concentration of methylene blue was 200 mg/L, the adsorption capacity of the material reached to 377 mg/g in 120 min. In addition, the remarkable anti-oxidation and structural stability of the employed BN materials make it simple to regenerate them through burning or ethanol elution. In five cycles, the adsorption performance did not decrease.
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