Figure 12.4
 
 
 
 
1E–13
1E–11
1E–9
1E–7
1E–5
1E–3
0.1
10
Electrical Conductivity (S.cm –1
)
0
50
100
150
200
250

Reaction Time (min.)

(a)
3000

2500

Weight Increase (%)
2000

1500

1000

500

0

Reaction Time (min.)
(b)
0
50
100
150
200
250

 
Bacterial Nanocellulose as a Structured Platform for Conductive Biopolymers 247
Figure 12.4
The.effect.of.(a).reaction.time.on.electrical.conductivity.and.(b).weight.increase.for.0.03.mol.L-1.
pyrrole.(Py).concentration.by.using.FeCl3/Py.molar.ratio.of.1.3..(adapted.from.Muller.et.al..2011a).
which. is. responsible. for. the. high. electrical. conductivity. values.. The. mean.
diameter.of.BNC/PPy·FeCl 3 .fibers.is.fourfold.higher.than.that.of.the.uncoated.
BNC..Muller.et.al..(2011b).also.demonstrated.that.the.morphology.and.electrical. conductivity. of. BNC/PPy. blends. are. strongly. influenced. by. the. oxidizing.agent.(iron.III.hydrochloride.[FeCl 3 ·6H 2 O].or.ammonium.persulfate.
[APS])..As.also.observed.in.Figure 12.5,.the.morphology.of.the.dried.blends.
varies.according.to.the.oxidizing.agent..BNC/PPy·APS.micrographs.revealed.
that. deposited. PPy∙APS. particles. onto. BNC. have. a. spherical. shape. with. a.
mean. size. of. 0.16. ±. 0.03. μm,. differing. from. PPy·FeCl 3 . deposited. particles..