Fabrication of Three-Dimensional Surface Structures with Highly Fluorescent Quantum Dots by Surface-Templated Layer-by-Layer Assembly

Fabrication of Three-Dimensional Surface Structures with Highly Fluorescent Quantum Dots by Surface-Templated Layer-by-Layer Assembly

A facile, parallel, and controllable approach to fabricating three‐dimensional microscale structures with highly fluorescent quantum dots (QDs) over centimeter‐sized surface regions is presented. Highly selective layer‐by‐layer assembly on a surface patterned by microcontact printing produces featur...

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Veröffentlicht in:Advanced materials (Weinheim) 2005-05, Vol.17 (10), p.1243-1248
Hauptverfasser: Zhou, D., Bruckbauer, A., Abell, C., Klenerman, D., Kang, D.-J.
Format: Artikel
Sprache:eng
Schlagworte:
Layer-by-layer assembly
Microcontact printing
Nanocrystals
Nanocrystals, semiconductor
Nanostructures
semiconductor
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Beschreibung
Zusammenfassung:A facile, parallel, and controllable approach to fabricating three‐dimensional microscale structures with highly fluorescent quantum dots (QDs) over centimeter‐sized surface regions is presented. Highly selective layer‐by‐layer assembly on a surface patterned by microcontact printing produces features of up to twenty QD/polymer bilayers. Hierarchical structures such as (green‐QD/red‐QD)n (see Figure) and (QD1/polymer)n(QD1/QD2)m are also fabricated.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.200401520