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Complementos 2009

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Resultados-Absorción UV-Visible<br />

1.2<br />

Espectros de absorción UV<br />

Q-Dots ZnS<br />

4<br />

Espectros de absorción UV<br />

Q-Dots PbS<br />

1.0<br />

Absorbancia (u.A)<br />

0.8<br />

0.6<br />

0.4<br />

0.2<br />

W=0<br />

W=6<br />

W=12<br />

Absorbancia (uA)<br />

3<br />

2<br />

1<br />

W=0<br />

W=3<br />

W=6<br />

W=12<br />

0.0<br />

400 600 800<br />

Longitud de onda (nm)<br />

0<br />

400 600 800<br />

Longitud de onda (nm)<br />

E g<br />

Bulk<br />

= 3.60eV<br />

ZnS<br />

W λ (nm) Eg (eV) R (nm)<br />

0 311.7 3.98 1.63<br />

6 312.4 3.97 1.65<br />

12 317.2 3.91 1.75<br />

E g<br />

Bulk<br />

= 0.37eV<br />

PbS<br />

W λ (nm) Eg (eV) R (nm)<br />

0 544,8 2,28 2,04<br />

3 535,7 2,31 2,02<br />

6 564,1 2,20 2,09<br />

12 407,1 3,05 1,7

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