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Fluorine-induced in situ crystallization route to mesoporous Li2Si2O5 hydrate dumbbell-like structures
Author(s) -
Hui Zhang,
Jinxiao Wang,
Jianfeng Yang
Publication year - 2019
Publication title -
boletín de la sociedad española de cerámica y vidrio
Language(s) - Spanish
Resource type - Journals
SCImago Journal Rank - 0.462
H-Index - 24
eISSN - 2173-0431
pISSN - 0366-3175
DOI - 10.1016/j.bsecv.2019.09.004
Subject(s) - mesoporous material , materials science , nanotechnology , crystallization , chemical engineering , chemistry , catalysis , engineering , organic chemistry
espanolAqui, un hidrato de Li2Si2O5 mesoporoso en forma de mancuernas fue obtenido por primera vez usando una ruta de cristalizacion in situ inducida por fluor. Las mancuernas obtenidas, formadas por el ensamblaje de nanoparticulas en forma de nanohilos, presentaron una porosidad elevada, con mesoporos por debajo de los 13nm, habilitando un area superficial particularmente grande, de 76,71m2·g−1, siendo este valor 4,09 veces el de las estructuras obtenidas sin el empleo de NH4F, lo que representa uno de los valores mas altos descritos hasta la fecha en estructuras de Li2Si2O5. Las nuevas estructuras mesoporosas revelaron una estrategia novedosa para mejorar la adsorcion de azul de metileno a 66,09mg·g−1, lo que supone una prometedora aplicacion en el tratamiento de efluentes. EnglishHerein, mesoporous Li2Si2O5 hydrate dumbbell-like structures were for the first time fabricated by a fluorine-induced in situ crystallization route. The obtained dumbbells assembled by nanowire-nanoparticles featured highly porous structures with mesoporous pores below 13nm, enabling a remarkably large surface area of 76.71m2·g−1 which was 4.09 times that of the structures in NH4F-free solution and represented one of highest values reported to date on Li2Si2O5 structures. The novel mesoporous structures revealed a new strategy to enhance the methylene blue adsorbance to 66.09mgg−1, allowing for their promising functional application in effluent treatment.

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