Table 1

Morphology, BET surface area, and rate constant of products synthesized with various acid conditions
Acid condition Unit morphologya Sizeb(nm) BET surface area (m2·g−1) Rate constantk(min−1)
0.68 M HCl NR 13.5 ± 1.4 40.3 0.135
0.90 M HCl NR 15.1 ± 1.3 38.1 0.095
1.12 M HCl NR 17.8 ± 1.7 28.2 0.083
1.35 M HCl NR 19.8 ± 1.8 18.7 0.074
0.90 M HNO3 NP 5.0 ± 0.5 190.9 0.104
0.90 M HAc NP 8.2 ± 0.9 153.7 0.091

aThe morphology of the unit in the hierarchical structure where NR and NP refer to nanorod and nanoparticle, respectively; bthe average diameter of the nanorods or nanoparticles estimated from the FESEM and TEM images.

Zhou et al.

Zhou et al. Nanoscale Research Letters 2012 7:217   doi:10.1186/1556-276X-7-217

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