Table 1. BET Surface Area, DA Pore Size, and BJH Pore Size Distribution of As-Synthesized Nanohierarchitectures.

sample	BET surface area (m2/g)	DA average pore size (Å)	BJH pore size distribution (Å)
NN	5.8	11.6	18.7
NN-1	6.8	13.3	18.8
NN-2	7	11.3	18.7
NN-3	9.2	11.1	18.8
NN-4	9.7	11.7	18.8