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Issue 63, 2017, Issue in Progress
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Synthesis, characterization and mechanism of formation of carbon aerogels incorporated with highly crystalline lanthanum oxychloride particles

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Abstract

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.

Graphical abstract: Synthesis, characterization and mechanism of formation of carbon aerogels incorporated with highly crystalline lanthanum oxychloride particles

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Article information


Submitted
14 May 2017
Accepted
06 Jul 2017
First published
14 Aug 2017

This article is Open Access

RSC Adv., 2017,7, 39635-39640
Article type
Paper

Synthesis, characterization and mechanism of formation of carbon aerogels incorporated with highly crystalline lanthanum oxychloride particles

X. Zhu, Y. Yu, J. Yuan, X. Zhang, H. Yu, W. Zhang, A. Du and B. Zhou, RSC Adv., 2017, 7, 39635
DOI: 10.1039/C7RA05454H

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