ICCAS OpenIR
Assemblies of tris(2,2'-bipyridyl) ruthenium(II) into zirconium phosphate layered materials and their photophysical properties
Peng Yan-Li1; Shi Shi-Kao1; Ye Jian-Ping2
2008-04-28
Source PublicationACTA CHIMICA SINICA
ISSN0567-7351
Volume66Issue:8Pages:937-942
AbstractLayered materials of zirconium phosphate containing Zr(HPO4)(2)center dot 6H(2)O (hydrated alpha-ZrP) and Zr(HPO4)(2)center dot butylammonium (alpha-ZrP center dot BA), which have similar interlayer distance, were prepared. The incorporation of the luminescent metal complex tris(2,2'-bipyridyl)ruthenium(II) [Ru(bpy)(3)(2+)] within the layered materials expands the interlayer distance from 1.04 to 1.52 nm. When the metal complex assembled to the layered frameworks, the absorption band of the complex was red shifted from 452 to 462 nm. In the hydrated alpha-ZrP framework, the emission intensity of the complex was over 2-fold compared to that of the same system in aqueous solution and the position of the maximum emission was blue shifted from 610 (aqueous solution) to 604 nm. After the assembly suspension deposited for 4 h, the emission intensity of Ru(bpy)(3)(2+) was reduced by only 4%. However, in alpha-ZrP center dot BA, the luminescence intensity of the complex had a little increase and the emission peak was shifted to 595 nm. The emission intensity of Ru(bpy)(3)(2+) decreased by 29% when the suspension was deposited for 4 h. Time-resolved studies manifest that the excited state lifetime of Ru(bpy)(3)(2+) was extended from 415 to 787 ns (similar to 95%) in the hydrated alpha-ZrP, whereas the 3 lifetime is 747 ns (similar to 89%) in the alpha-ZrP center dot BA. These results imply that the hydrated alpha-ZrP framework provides favorable microenvironment to improve the photophysical properties of Ru(bpy)(3)(2+).
KeywordRu(Bpy)(3)(2+) Zirconium Phosphate Assembly Luminescence
Indexed BySCI
Language英语
WOS IDWOS:000255762700017
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63266
Collection中国科学院化学研究所
Corresponding AuthorPeng Yan-Li
Affiliation1.Hebei Normal Univ, Coll Chem & Mat Sci, Shijiazhuang 050016, Peoples R China
2.Chinese Acad Sci, Inst Chem, Key Lab Photochem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Peng Yan-Li,Shi Shi-Kao,Ye Jian-Ping. Assemblies of tris(2,2'-bipyridyl) ruthenium(II) into zirconium phosphate layered materials and their photophysical properties[J]. ACTA CHIMICA SINICA,2008,66(8):937-942.
APA Peng Yan-Li,Shi Shi-Kao,&Ye Jian-Ping.(2008).Assemblies of tris(2,2'-bipyridyl) ruthenium(II) into zirconium phosphate layered materials and their photophysical properties.ACTA CHIMICA SINICA,66(8),937-942.
MLA Peng Yan-Li,et al."Assemblies of tris(2,2'-bipyridyl) ruthenium(II) into zirconium phosphate layered materials and their photophysical properties".ACTA CHIMICA SINICA 66.8(2008):937-942.
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