18 August 2005 Multilayer two-dimensional arrays of organic nanocrystals for 3-D optical data storage
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Abstract
We have developed a new type of hybrid organic-inorganic materials constituted of organic nanocrystals embedded in silicate matrices. They are prepared by a generic process based on the confined nucleation of molecular crystals in the pores of sol-gel matrices, bulk or thin films. In this study, we have controlled the spatial distribution of organic nanocrystals in sol-gel thin films prepared by spin-coating. This spatial control of nucleation is obtained by assisting the nanocrystallisation process through nanostructured substrates. Substrates exhibit arrays of wells where the dye nucleates when the initial solution is deposited. The 3-D spatial control is achieved through a multilayer process. This nucleation control gives an opportunity to design new 3-D optical data storage or 2-D arrays of luminescent crystals for chemical or biological sensor applications.
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Patrice L. Baldeck, Patrice L. Baldeck, Estelle Botzung-Appert, Estelle Botzung-Appert, Nathalie Sanz, Nathalie Sanz, Alain Ibanez, Alain Ibanez, } "Multilayer two-dimensional arrays of organic nanocrystals for 3-D optical data storage", Proc. SPIE 5931, Nanoengineering: Fabrication, Properties, Optics, and Devices II, 593112 (18 August 2005); doi: 10.1117/12.616447; https://doi.org/10.1117/12.616447
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