Sheath/core materials

Solvents

 Fiber diameters (nm)
Total (core)		 Reference
Sheath Core
PEO/PDT
PLA/Pd(OAc)2		 Chloroform
Chloroform		 Chloroform
THF		 1000 (200)
500 (60)		 Sun et al.
2003 [21]
PVA/PAni
PEO/Bombyx mori silk
PAN-co-PS/PAN		 Water
Water
DMF		 Water
Water
DMF		 310 (120)
800 (600)
500 to 2000
(65 to 105)		 Yu et al.
2004 [20]
PEO/ Bombyx mori silk Water Water 680 to 790
(170 to 660)		 Wang et al.
2006 [32]
PVP/MEH-PPV   Water +
ethanol		 Chloroform 150 to 500
(Core ribbon like with
thickness 30 nm)		 Li et al.
2004 [33]
Table 3: List of studies using co-axial electrospinning to form fibers from non-electrospinnable
materials.