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. 2014 Jan 27;6(4):555–562. doi: 10.1016/j.jare.2014.01.009

Table 2.

Optical data determined for the studied samples.

Sample Peak position (nm)
 Eg (eV)
P1 P2
Pure PANI – 578 2.7
PANI-2.5 wt% NiFe2O4 558 808 1
PANI-5 wt% NiFe2O4 558 838 1
PANI-50 wt% NiFe2O4 590 876 1