Journal
JOURNAL OF SOLID STATE CHEMISTRY
Volume 181, Issue 8, Pages 1738-1743Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2008.03.031
Keywords
yttrium nitrate hydroxide hydrate; yttrium oxide nitrate hydroxide; yttrium hydroxide; yttrium oxide; hydrothermal synthesis
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Y2O3 sheets, rods, needles and tubes were synthesized from three precursors through hydrothermal reactions followed by calcination. The phase distribution and decomposition behaviors of the three precursors, Y-2(OH)(5.14)(NO3)(0.86).H2O, Y4O(OH)(9)(NO3) and hexagonal Y(OH)(3), were investigated. The reaction temperature and initial pH value during the hydrothermal reaction showed great influence on the shape and particle size of the products. The precursors were converted to Y2O3 particles with the retained original morphology of the precursor's. (C) 2008 Elsevier Inc. All rights reserved.
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