Document Detail


The langmuir-blodgett approach to making colloidal photonic crystals from silica spheres.
MedLine Citation:
PMID:  20589747     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
The area of colloidal photonic crystal research has attracted enormous attention in recent years as a result of the potential of such materials to provide the means of fabricating new or improved photonic devices. As an area where chemistry still predominates over engineering the field is still in its infancy in terms of finding real applications being limited by ease of fabrication, reproducibility and 'quality'- for example the extent to which ordered structures may be prepared over large areas. It is our contention that the Langmuir-Blodgett assembly method when applied to colloidal particles of silica and perhaps other materials, offers a way of overcoming these issues. To this end the assembly of silica and other particles into colloidal photonic crystals using the Langmuir-Blodgett (LB) method is described and some of the numerous papers on this topic, which have been published, are reviewed. It is shown that the layer-by-layer control of photonic crystal growth afforded by the LB method allows for the fabrication of a range of novel, layered photonic crystals that may not be easily assembled using any other approach. Some of the more interesting of these structures, including so-called heterostructured photonic crystals comprising of layers of spheres having different diameters are presented and their optical properties described. Finally, we offer our comments as to future applications of this interesting technology.
Authors:
Maria Bardosova; Martyn E Pemble; Ian M Povey; Richard H Tredgold
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't; Review    
Journal Detail:
Title:  Advanced materials (Deerfield Beach, Fla.)     Volume:  22     ISSN:  1521-4095     ISO Abbreviation:  Adv. Mater. Weinheim     Publication Date:  2010 Aug 
Date Detail:
Created Date:  2010-08-10     Completed Date:  2010-11-24     Revised Date:  2011-03-29    
Medline Journal Info:
Nlm Unique ID:  9885358     Medline TA:  Adv Mater     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  3104-24     Citation Subset:  IM    
Affiliation:
Tyndall National Institute, Lee Maltings, Cork, Ireland. maria.bardosova@tyndall.ie
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MeSH Terms
Descriptor/Qualifier:
Colloids / chemistry*
Crystallization
Photons*
Silicon Dioxide / chemistry*
Surface Properties
Chemical
Reg. No./Substance:
0/Colloids; 7631-86-9/Silicon Dioxide
Comments/Corrections
Erratum In:
Adv Mater. 2010 Dec 1;22(45):5081

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