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Direct and template‐free synthesis of one‐dimensional nanostructures of sodium trititanate and sodium hexatitanate
Author(s) -
Bumajdad Ali
Publication year - 2017
Publication title -
journal of the american ceramic society
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.9
H-Index - 196
eISSN - 1551-2916
pISSN - 0002-7820
DOI - 10.1111/jace.15017
Subject(s) - materials science , nanowire , nanostructure , hydrothermal synthesis , sodium , chemical engineering , hydrothermal circulation , raman spectroscopy , morphology (biology) , trigonal crystal system , crystal structure , nanotechnology , crystallography , chemistry , metallurgy , optics , engineering , physics , biology , genetics
One‐dimensional (1D), pure phases of sodium trititanate and sodium hexatitanate (Na 2 Ti 3 O 7 and Na 2 Ti 6 O 13 ) nanowires (Na‐TNW) were synthesized via a direct hydrothermal approach. The effect of the variation in growth parameters (NaOH concentration and reaction duration) on the morphology and structure of the Na‐TNW has been investigated using bulk (RAMAN and XRD) and surface (TEM, SEM and N 2 sorptiometry) techniques. By varying the NaOH concentration, the particle size decreases without variation in the obtained trititanate structure. Also by varying the growth duration, the nanowires were elongated with reduced aggregation accompanied by structural conversion from trititanate to hexatitanate. Therefore, this study provides a full concept for the direct preparation of Na‐TNW with controlled characteristics.