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Morphology Transformation of Nanoscale Magnesium Hydroxide: from Nanosheets to Nanodisks
Author(s) -
Jia Baoping,
Gao Lian
Publication year - 2006
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/j.1551-2916.2006.01319.x
Subject(s) - selected area diffraction , high resolution transmission electron microscopy , transmission electron microscopy , nanostructure , chemical engineering , materials science , magnesium , nanocrystal , nanoscopic scale , hydrothermal circulation , electron diffraction , hydroxide , morphology (biology) , hydrothermal synthesis , powder diffraction , nanotechnology , crystallography , chemistry , diffraction , metallurgy , physics , optics , biology , engineering , genetics
Nanoscale Mg(OH) 2 with different morphologies, from nanosheets, nanosquares, and nanodisks, have been successfully synthesized via a simple hydrothermal reaction of Mg(CH 3 COO) 2 and sodium hydroxide in the presence of citrate. Direct observation of transformation from nanosheets to nanodisks indicates clearly the growth of a Mg(OH) 2 nanocrystal. The structure and morphology of the resultant Mg(OH) 2 nanostructures were characterized by X‐ray powder diffraction (XRD), transmission electron microscopy (TEM), high‐resolution transmission electron microscopy (HRTEM), and selected area electron diffraction patterns (SAED). A possible formation mechanism of the Mg(OH) 2 nanostructures is proposed based on the oriented aggregation mechanism.