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orresponding

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peak at 203 nm

omers reported

ld be completel

re the mass ratio

h=0.7

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ρ=37.6

Ele

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polypyrr

ngyuan Chen

Author: qso

aph of rGO-PPy

m.

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before,1, 2 whi

ly polymerized

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75cm

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Song*,a and X

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absorption spec

rresponding to

rrole is polyme

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nductive

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Xuetong Zha

@yahoo.com

ctra of the yello

the character ab

erized by graph

O nanosheets in

(b

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bsorbance of py

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the reaction sy

b)

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yrrole

yrrole

ystem

Electronic Supplementary Material (ESI) for Nanoscale.This journal is © The Royal Society of Chemistry 2014

 

 

The

condu

by m

by pr

show

 

 

 

 

conductivity o

ductivity of 0.97

more Py monom

roton dissociati

ws conductivity

of rGO-PPy ae

7 S/m due to un

mers, which resu

ion from GO if

with the value

Fig. SI3 Ram

Fig. SI2 Condu

erogels was ev

ncompletely red

ults higher cond

f more Py adde

of 1.65, 1.56, 0

man spectra of G

 

uctivity of rGO

valuated by fou

duction of GO.

ductivity of GP

ed in to reaction

0.91, 0.75, 0.61

GO, rGO, pure

O-PPy aerogels.

ur point probe

With the incre

P3 (2.87 S/m). H

n mixture. Thu

S/m respective

PPy and rGO-P

e tester. GP5 a

easing of Py, GO

However, PPy

s, GP1, GP3, G

ely.

PPy aerogels.

aerogel exhibit

O is further red

would not be d

GP5, GP7 and G

ts the

duced

doped

GP20

Fig. S

spec

 

SI4 (a) XPS sp

ctra of C 1s of

Fig

pectrs of GO a

f PG5 and (d)

g. SI5 SEM ima

and rGO‐PPy

 XPS spectra 

ages of rGO-PP

    (PG5), (b) 

of N 1s of PG

Py aerogels (PG

XPS spectra o

G5. 

G5) with differen

of C 1s of GO,

nt magnificatio

, (c) XPS surv

ons.

 

ey 

Fig.

distri

The t

area

main

nano

ratio

show

the sy

GO w

areas

SI6 (a) Nitroge

ibution. (b) BET

type of hystere

167 m2/g for rG

nly vest in 2.4

sheets, respecti

of GO to Py h

wn in Fig. SI5b,

ynergetic betwe

will effectively

s results from th

en adsorption-d

T specific surfa

sis loop of rGO

GO aerogel, wh

nm and 3.9 n

ively. Furtherm

have been inve

GP3 exhibits t

een GO and Py

y prevents the o

he best optimum

desorption isoth

ace area of rGO

O aerogel is ves

hich is much sm

nm (the insert

more, the BET

estigated to exp

the highest BET

y monomer. The

overlap of rGO

m combination o

herm of rGO a

O-PPy aerogels w

st to H4, indica

maller than 408

of Fig. SI5a),

specific surfac

plore the effect

T specific area i

he existence of P

O nanosheets re

of rGO and PPy

aerogel. The ins

with different m

ting slit porous

m2/g of rGO-P

resulting from

ce area of rGO

t of mass ratio

in all of the con

PPy polymerize

educed by Py

y.

sert is the corre

mass ratio of GO

s in rGO aeroge

PPy aerogels (G

m stacking and

-PPy aerogels

on BET speci

ncerned aerogel

ed by oxygen-c

monomer. The

responding pore

O to Py.

el. The BET sp

GP3). The pore-

coalescing of

with different

ific surface are

ls, which attribu

containing grou

e maximized su

e-size

ecific

-sizes

f rGO

mass

a. As

ute to

ups of

urface

Fig

 

g. SI8 TEM ima

Fig. S

ages of GO nan

SI7 SEM-EDS

osheets (a-c) an

spectra of rGO

nd the rGO-PPy

O-PPy aerogel (P

y aerogel (PG5)

PG5).

) (d-f) at differeent magnificatioons.

Fig.

charg

range

Fig. S

circu

Fig.

A/g.

SI9 The CV cu

ge−discharge cu

e of -1~0 V vs S

SI10 Nyquist p

uit model in the

SI11 Cycle stab

urves of GP3, r

urves of GP3,

SCE.

lots of rGO-P

insert of Fig. 6

bility of GP3 a

GO, PPy aerog

rGO, PPy aero

PPy aerogels an

d by using Zvie

aerogel during t

gels and GO at

ogels and GO a

nd rGO aerogel

ew software.

the long-term c

the scan rate o

at the current d

with the fitting

charge-discharg

of 5 mV/s and (

density of 0.5 A

g results matchin

ge process at a

(b) the galvano

A/g in the pot

ng by the equiv

current density

ostatic

ential

valent

y of 1

Tab

Table

rGO

Table

Refe

1 Y.

2 K.

bles

e SI1 Variation

aerogel has bee

e SI2 Rs and Rc

Samp

GP5

GP3

GP1

PG3

PG5

rGO

erences

F. Fan, Y. S. L

E. Hnida, R.

in the specific

en made by L-a

ct values of var

ples

5

3

1

3

5

O

Liu, Q. Cai, Y.

P. Socha and G

capacitance of

ascorbic acid as

ious samples.

Y. Z. Liu and J.

G. D. Sulka, J

f rGO-PPy aero

s the reducing a

Rs

0.42327

0.34696

0.37685

0.39496

0.39984

0.3362

. M. Zhang, Sy

J Phys Chem C

gels with differ

gent)

ynthetic Met,

C, 2013, 117,

rent mass ratio

R

37

7.8

18

22

56

2.1

2012, 162, 18

19382-19392

of GO to Py. (N

Rct

7.94

814

.89

2.12

6.22

125

815-1821.

2.

Note: