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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1021/la404778p
|2 doi
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|a eng
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| 100 |
1 |
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|a Lin, Dongfeng
|e verfasserin
|4 aut
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1 |
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|a Real-time synchronous CCD camera observation and reflectance measurement of evaporation-induced polystyrene colloidal self-assembly
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|c 2014
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|a Text
|b txt
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|a ƒaComputermedien
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|a Date Completed 10.04.2015
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|a Date Revised 15.04.2014
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a A new monitoring technique, which combines real-time in-situ CCD camera observation and reflectance spectra measurement, has been developed to study the growing and drying processes of evaporation-induced self-assembly (EISA). Evolutions of the reflectance spectrum and CCD camera images both reveal that the entire process of polystyrene (PS) EISA contains three stages: crack-initiation stage (T1), crack-propagation stage (T2), and crack-remained stage (T3). A new phenomenon, the red-shift of stop-band, is observed when the crack begins to propagate in the monitored window of CCD camera. Deformation of colloidal spheres, which mainly results in the increase of volume fraction of spheres, is applied to explain the phenomenon. Moreover, the modified scalar wave approximation (SWA) is utilized to analyze the reflectance spectra, and the fitting results are in good agreement with the evolution of CCD camera images. This new monitoring technique and the analysis method provide a good way to get insight into the growing and drying processes of PS colloidal self-assembly, especially the crack propagation
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|a Journal Article
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1 |
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|a Wang, Jinze
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yang, Lei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Luo, Yanhong
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Dongmei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Meng, Qingbo
|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 30(2014), 14 vom: 15. Apr., Seite 3949-56
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|g volume:30
|g year:2014
|g number:14
|g day:15
|g month:04
|g pages:3949-56
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|u http://dx.doi.org/10.1021/la404778p
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