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231224s2012 xx |||||o 00| ||eng c |
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|a 10.1021/la203886b
|2 doi
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|a eng
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1 |
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|a Sikora, Mateusz
|e verfasserin
|4 aut
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|a Geometrical and electrical properties of indium tin oxide clusters in ink dispersions
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|c 2012
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|a Text
|b txt
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|a ƒaComputermedien
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|a Date Completed 01.05.2012
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|a Date Revised 17.01.2012
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a © 2011 American Chemical Society
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|a The analysis of the TEM images of indium tin oxide (ITO) clusters in ink solutions deposited from ink dispersions reveals that their geometry arises from a diffusion limited cluster aggregation (DLCA) process. We model films of ITO clusters as built through deposition of DLCA clusters made of primary spherical nanoparticles of 13 nm in diameter. The deposition is then followed by a further compactification process that imitates sintering. We determine the conductivity of the sintered films by mapping the problem to that of the resistor network in which the contact regions between the touching spheres provide the dominant electric resistance. For a given volume fraction, conductivity of the sintered films is shown to be larger than that for the randomly packed spheres. However, the larger a typical radius of gyration of the clusters the smaller the enhancement. We also provide numerical tests for the routines used in the interpretation of the TEM images
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|a Journal Article
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|a Adam, Dieter
|e verfasserin
|4 aut
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|a Korczyk, Piotr M
|e verfasserin
|4 aut
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1 |
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|a Prodi-Schwab, Anna
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Szymczak, Piotr
|e verfasserin
|4 aut
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|a Cieplak, Marek
|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 28(2012), 2 vom: 17. Jan., Seite 1523-30
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|g volume:28
|g year:2012
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|g day:17
|g month:01
|g pages:1523-30
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