Anionic Indicators on the Surface of Submicrospheres Consisting of Ionic Palladium(II) Complex

Title
Anionic Indicators on the Surface of Submicrospheres Consisting of Ionic Palladium(II) Complex
Authors
김초롱노태환유경호유복렬정옥상
Keywords
Amphiphilic properties; Ionic palladium(II) complex; Submicrosphere; Surface modification
Issue Date
2009-12
Publisher
Bulletin of the Korean Chemical Society
Citation
VOL 30, NO 12, 3057-3060
Abstract
Ionic palladium(II) complex, [(Me4en)Pd(L)]2(ClO4)4 (Me4en = N,N,N’,N’-tetramethylethylenediamine; L = bis- (4-(4-pyridylcarboxyl)phenyl)methane), allows to form a monodisperse submicrosphere without any template or additive. Surface-perchlorates on the submicrosphere have been exchanged by anionic pH indicators such as thymol blue, bromothymol blue, and bromocresol green. The ionic and amphiphilic properties of the palladium(II) complex appear to be primarily associated with the formation and easy surface-anion exchange of submicrosphere. The surface-anion exchange through the electrostatic interaction is a very good tool for the surface-modification. The color of the pH indicator-exchanged submicrospheres is very sensitive to pH and Hg2+ cation, and thus they are promising to submicrospherical indicators.
URI
http://pubs.kist.re.kr/handle/201004/36924
ISSN
0253-2964
Appears in Collections:
KIST Publication > Article
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