Table 1: Grain size ( ) and dislocation density ( ) of Bi2Se3 nanostructures.

CMethodParticle (diameter)D (nm)δ (nm)−2

95SEMNeedles960.00011
165SEMRods1020.00010
SEMNeedles680.00022
SEMTubes (inner)/needles193/59
SEMFibers640.00024
SEM Fiber bundlesUndefined
SEMFlowers/needles136/31