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. 2015 Mar 19;10:144. doi: 10.1186/s11671-015-0850-2

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© Li et al. ; licensee Springer. 2015

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.

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TEM images of La(OH) ₃ nanorods. Prepared under different reaction times and water/ethanol volume ratios: (a-d) 6, 12, 18, and 24 h while DDA volume and water/ethanol volume ratio are fixed at 5 mL and 1/1, respectively; (e-h) water/ethanol volume ratio of 100/0, 80/20, 20/80, and 0/100 while DDA and reaction time are fixed at 5 mL and 18 h, respectively.