Rapid self-assembly of oligo(o-phenylenediamine) into one-dimensional structures through a facile reprecipitation route

The self-assembly of oligo(o-phenylenediamine) (OPD) into 1-D nanostructures on a macroscopic length scale was found when they were transferred from N-methyl pyrrolidone to deionized water. Field emission scanning electron microscopy and confocal fluorescence microscopy were used to investigate the...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1992. - 22(2006), 7 vom: 28. März, Seite 3358-61
1. Verfasser: Jiang, Heqing (VerfasserIn)
Weitere Verfasser: Sun, Xuping, Huang, Minghua, Wang, Yuling, Li, Dan, Dong, Shaojun
Format: Aufsatz
Sprache:English
Veröffentlicht: 2006
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article
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520 |a The self-assembly of oligo(o-phenylenediamine) (OPD) into 1-D nanostructures on a macroscopic length scale was found when they were transferred from N-methyl pyrrolidone to deionized water. Field emission scanning electron microscopy and confocal fluorescence microscopy were used to investigate the morphology of the precipitates. Results showed that large amounts of OPD 1-D supertructures could be obtained through the simple reprecipitation route, and the length of the fibers could be tuned from microscale to macroscale by adjusting the ratio of two solvents. X-ray diffraction patterns and UV-vis spectra revealed that pi-pi interactions between OPD molecules that facilitated the formation of 1-D structures became predominant when they were transferred from a good solvent to a bad one. Accordingly, a possible formation mechanism was proposed 
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700 1 |a Sun, Xuping  |e verfasserin  |4 aut 
700 1 |a Huang, Minghua  |e verfasserin  |4 aut 
700 1 |a Wang, Yuling  |e verfasserin  |4 aut 
700 1 |a Li, Dan  |e verfasserin  |4 aut 
700 1 |a Dong, Shaojun  |e verfasserin  |4 aut 
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