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PDF_3 - inquimae

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Peliculas de Langmuir-Blodgett<br />

(Langmuir-Blodgett films)<br />

La tecnica de Langmuir-Blodgett permite el ensamblado de multicapas<br />

anfifilicas sobre un sustrato inorganico hidrofilico (mica, silicio, SiO 2, …)<br />

Substance in<br />

a volatile<br />

solvent<br />

Dispersion en<br />

subfase acuosa<br />

Control<br />

sobre:<br />

1 era transferencia<br />

hidrofilica<br />

1 era transferencia<br />

hidrofobica<br />

2 da transferencia<br />

hidrofilica<br />

• Espesor (desde monocapa hasta multicapas de ~ 500 nm)<br />

• Hidrofobicidad / Hidrofilicidad<br />

• Transporte electronico<br />

• Propiedades opticas y magneticas

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