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The hollow carbon nanospheres (HCNs) are synthesized by self-catalyzed method. The amino-functionalized silica nanospheres (NH2–SiO2) play the roles of template and catalyst. As a basic group, the amino provides slight alkaline conditions which can catalyze the polymerization of resorcinol-formaldehyde (RF) resin. Additionally, the amino group covering the outer surface of SiO2 turns to be slight...
In this study, the hollow MoO3 microcages were successfully synthesized using a one-step hydrothermal route, and their gas-sensing properties towards ethanol were further investigated. It was found that such MoO3 microcages possessed excellent ethanol gas response, which benefited from their unique hollow structure with a less stacking aggregation, offering sufficient pathways for gas diffusion as...
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