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首页> 外文期刊>RSC Advances >Synthesis, characterization and mechanism of formation of carbon aerogels incorporated with highly crystalline lanthanum oxychloride particles
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Synthesis, characterization and mechanism of formation of carbon aerogels incorporated with highly crystalline lanthanum oxychloride particles

机译：含高结晶氧氯化镧颗粒的碳气凝胶的合成，表征和形成机理

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摘要

Low-density monolithic carbon aerogels incorporated with highly crystalline lanthanum oxychloride (LaOCl) particles were successfully synthesized using a novel facile sol–gel method. The LaOCl-doped carbon aerogels were experimentally determined to be inorganic porous materials with a density of ～260 mg cm?3, specific surface area of 465 m2 g?1, and average pore diameter of 28 nm. The embedded LaOCl particles were highly crystalline, having formed a tetragonal phase structure, and constituted up to 28.58% of the mass of the carbon aerogel. A sol–gel mechanism was proposed for the formation of the aerogel and included the acidity of a an aqueous lanthanum chloride solution and ring opening of propylene oxide as two key factors promoting the formation of wet La-doped resorcinol-formaldehyde gels and highly crystalline LaOCl particles.
机译：低密度整体碳气凝胶与高度结晶的三氯氧化镧（LaOCl）颗粒结合在一起，是使用一种新型的溶胶-凝胶法成功合成的。实验确定掺LaOCl的碳气凝胶是无机多孔材料，密度为260 mg cm ？3 ，比表面积为465 m 2 g ？1 ，平均孔径为28 nm。包埋的LaOCl颗粒是高度结晶的，已形成四方相结构，占碳气凝胶质量的28.58％。提出了一种溶胶-凝胶机理来形成气凝胶，其中包括氯化镧水溶液的酸度和环氧丙烷的开环，这是促使形成湿的掺La的间苯二酚-甲醛凝胶和高度结晶的LaOCl的两个关键因素。粒子。

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