TY - JOUR
T1 - Controlled synthesis and characterization of large-scale, uniform sheet-shaped dysprosium hydroxide nanosquares by hydrothermal method
AU - Jin, Junyang
AU - Ni, Yaru
AU - Huang, Wenjuan
AU - Lu, Chunhua
AU - Xu, Zhongzi
PY - 2013/3/15
Y1 - 2013/3/15
N2 - In this study, we succeed in synthesizing the sheet-shaped dysprosium hydroxide (Dy(OH)3) nanomaterials via a facile hydrothermal method without using any catalysts or templates. The advantages of the method are rapid synthesis at air atmosphere, 100% productive ratio and low cost with a great potential for scale-up. Analytical method such as XRD, FESEM, TEM, HRTEM, SAED, EDS, FT-IR, TG-DSC were employed to characterize the morphology and microstructure of the as-synthesized products. The results reveal that nanosheets could be obtained by using ammonia and sodium hydroxide, and the Dy(OH)3 obtained by adding ammonia possesses uniform sheet-shaped nanosquare morphology with the side length of 200-300 nm and thickness of 20-40 nm. The growth of (0 0 1) plane of nanosheets was confined. The presence of a two dimensional (2D) growth trend was suggested. The role of the alkaline sources and the formation mechanism of such sheet-shaped Dy(OH)3 were discussed.
AB - In this study, we succeed in synthesizing the sheet-shaped dysprosium hydroxide (Dy(OH)3) nanomaterials via a facile hydrothermal method without using any catalysts or templates. The advantages of the method are rapid synthesis at air atmosphere, 100% productive ratio and low cost with a great potential for scale-up. Analytical method such as XRD, FESEM, TEM, HRTEM, SAED, EDS, FT-IR, TG-DSC were employed to characterize the morphology and microstructure of the as-synthesized products. The results reveal that nanosheets could be obtained by using ammonia and sodium hydroxide, and the Dy(OH)3 obtained by adding ammonia possesses uniform sheet-shaped nanosquare morphology with the side length of 200-300 nm and thickness of 20-40 nm. The growth of (0 0 1) plane of nanosheets was confined. The presence of a two dimensional (2D) growth trend was suggested. The role of the alkaline sources and the formation mechanism of such sheet-shaped Dy(OH)3 were discussed.
KW - Controlled synthesis
KW - Hydrothermal
KW - Nanosquares
KW - Sheet-shaped
UR - http://www.scopus.com/inward/record.url?scp=84873847713&partnerID=8YFLogxK
U2 - 10.1016/j.jallcom.2012.11.068
DO - 10.1016/j.jallcom.2012.11.068
M3 - 文章
AN - SCOPUS:84873847713
SN - 0925-8388
VL - 553
SP - 333
EP - 337
JO - Journal of Alloys and Compounds
JF - Journal of Alloys and Compounds
ER -