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“Nanocompósitos Formados por Nanotubos de Carbono ...

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Na Figura 63 temos os voltamogramas das amostras obtidas com tempo <strong>de</strong> 120h <strong>de</strong><br />

reação, juntamente com o dos NTCs previamente tratados.<br />

I/A<br />

I/A<br />

150<br />

100<br />

50<br />

0<br />

-50<br />

-100<br />

A'<br />

A<br />

I/A<br />

150<br />

100<br />

50<br />

0<br />

-50<br />

-100<br />

-150<br />

B C D<br />

C' D'<br />

-150<br />

-0.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2<br />

E/V vs Ag/AgCl<br />

150<br />

100<br />

50<br />

0<br />

-50<br />

-100<br />

A'<br />

-150<br />

-0.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2<br />

E/V vs Ag/AgCl<br />

A<br />

B<br />

D<br />

A<br />

A'<br />

-0,2 0,0 0,2 0,4 0,6 0,8 1,0 1,2<br />

A<br />

E/V vs Ag/AgCl<br />

I/A<br />

I/A<br />

150<br />

100<br />

50<br />

0<br />

-50<br />

-100<br />

-150<br />

150<br />

100<br />

50<br />

0<br />

-50<br />

-100<br />

-150<br />

A'<br />

A<br />

C<br />

B C<br />

C' E'<br />

-0.2 0.0 0.2 0.4 0.6 0.8 1.0 1.2<br />

D'<br />

E/V vs Ag/AgCl<br />

-0,2 0,0 0,2 0,4 0,6 0,8 1,0 1,2<br />

E/V vs Ag/AgCl<br />

Figura 63: Voltamogramas cíclicos dos NTCs tratados (a) e dos nanocompósitos, (b) An1Ag0,1Ac++120, (c)<br />

An1Ag0,1Ac+120, (d) An1Ag0,1Ac-120, (e) An1Ag0,1Ac--120, coletados em HNO3 1 mol.L -1 , com velocida<strong>de</strong><br />

<strong>de</strong> varredura <strong>de</strong> 10 mV -1 .<br />

A'<br />

E<br />

A<br />

B'<br />

B<br />

D<br />

81

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