ICCAS OpenIR
Acidification and Assembly of Porphyrin at an Interface: Counterion Matching, Selectivity, and Supramolecular Chirality
Zhang, Yiqun; Chen, Penglei; Ma, Yanping; He, Shenggui; Liu, Minghua
2009-09-01
Source PublicationACS APPLIED MATERIALS & INTERFACES
ISSN1944-8244
Volume1Issue:9Pages:2036-2043
AbstractThe interfacial diprotonation and assemblies of a Free-base achiral porphyrin. 5,10,15,20-tetrakis(3,5-dimethoxyphenyl)-21H,23H-porphine, on various acidic subphases were investigated. It has been shown that the compound could be diprotonated in situ on an acidic subphase and can form assemblies. The interfacially organized supramolecular assemblies were transferred onto a solid substrate, and the assemblies showed supramolecular chirality. Interestingly, the supramolecular chirality OF the assemblies OF the diprotonated species showed a counterion-dependent behavior. For the assemblies Fabricated, from the aqueous HCl subphases, a strong Cotton effect (CE) could be observed, although the porphyrin itself is achiral. When an aqueous HBr solution was used as the subphase, the assemblies showed a weak CE, whereas no CE could be detected for the assemblies formulated from the HNO(3) or HI subphase. Interestingly, when a mixture of HBr and NaCl, or HNO(3) and NaCl, was employed as the subphase, the formed assemblies displayed chiral features similar to those Fabricated on the HCl subphase, suggesting that the Cl(-) could be preferentially visualized in terms of supramolecular chirality, although the system itself is composed of achiral species. On the basis of the experimental facts and a theoretical calculation, an explanation with regard to the different sizes OF the counterions and the distinct binding affinities of the counteranions to the diprotonated porphyrin species has been proposed. Our findings provide new insights into the assembly of the diprotonated porphyrins as well as the interfacially occurring symmetry breaking.
KeywordPorphyrinoids Diprotonation Counterion Interfacial Assembly Supramolecular Chirality Symmetry Breaking
DOI10.1021/am900399w
Indexed BySCI
Language英语
WOS IDWOS:000270363600030
PublisherAMER CHEMICAL SOC
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/67170
Collection中国科学院化学研究所
Corresponding AuthorChen, Penglei
AffiliationChinese Acad Sci, Inst Chem, Beijing Natl Lab Mol Sci, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Yiqun,Chen, Penglei,Ma, Yanping,et al. Acidification and Assembly of Porphyrin at an Interface: Counterion Matching, Selectivity, and Supramolecular Chirality[J]. ACS APPLIED MATERIALS & INTERFACES,2009,1(9):2036-2043.
APA Zhang, Yiqun,Chen, Penglei,Ma, Yanping,He, Shenggui,&Liu, Minghua.(2009).Acidification and Assembly of Porphyrin at an Interface: Counterion Matching, Selectivity, and Supramolecular Chirality.ACS APPLIED MATERIALS & INTERFACES,1(9),2036-2043.
MLA Zhang, Yiqun,et al."Acidification and Assembly of Porphyrin at an Interface: Counterion Matching, Selectivity, and Supramolecular Chirality".ACS APPLIED MATERIALS & INTERFACES 1.9(2009):2036-2043.
Files in This Item:
There are no files associated with this item.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Google Scholar
Similar articles in Google Scholar
[Zhang, Yiqun]'s Articles
[Chen, Penglei]'s Articles
[Ma, Yanping]'s Articles
Baidu academic
Similar articles in Baidu academic
[Zhang, Yiqun]'s Articles
[Chen, Penglei]'s Articles
[Ma, Yanping]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Zhang, Yiqun]'s Articles
[Chen, Penglei]'s Articles
[Ma, Yanping]'s Articles
Terms of Use
No data!
Social Bookmark/Share
All comments (0)
No comment.
 

Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.