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231223s2006 xx ||||| 00| ||eng c |
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Carn, Florent
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Three-dimensional opal-like silica foams
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|c 2006
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|2 rdacarrier
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|a Date Completed 24.07.2007
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|a Date Revised 30.05.2006
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The synthesis of novel meso-/macroporous SiO2 monoliths by combining a nano-building-blocks-based approach with the confined geometry of a tailored air-liquid foam structure is described. The resulting macrostructure in which ordered close-packed colloidal silica nanoparticles constitute the monolith's scaffolds very closely resembles the tailored periodic air-liquid foam template. The void spaces between adjacent particles create textural mesoporosity; therefore, the as-prepared silica networks are characterized by hierarchical porosity at the macroscopic and mesoscopic length scales. The fine-tuning of both the liquid foam's fraction and the bubble size allows a rational design over the macroscopic cell morphologies (shape, Plateau border's length, and width). Striking results of this approach are the weak shrinkage of the as-synthesized opal-like scaffolds during the thermally induced sintering process and, in contrast with previous studies, the formation of closed-cell structures. Particle organization and the foam film surface roughness are investigated by atomic force microscopy (AFM), showing the influence of the liquid flow, within the foams' Plateau borders and films, on the final assemblies
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|a Journal Article
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|a Saadaoui, Hassan
|e verfasserin
|4 aut
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1 |
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|a Massé, Pascal
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Ravaine, Serge
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Julian-Lopez, Beatriz
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sanchez, Clément
|e verfasserin
|4 aut
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|a Deleuze, Hervé
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Talham, Daniel R
|e verfasserin
|4 aut
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| 700 |
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|a Backov, Rénal
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 22(2006), 12 vom: 06. Juni, Seite 5469-75
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:22
|g year:2006
|g number:12
|g day:06
|g month:06
|g pages:5469-75
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