ICCAS OpenIR
Multisignaling detection of cyanide anions based on an iridium(III) complex: remarkable enhancement of sensitivity by coordination effect
Lou, Bin; Chen, Zhu-Qi; Bian, Zu-Qiang; Huang, Chun-Hui
2010
Source PublicationNEW JOURNAL OF CHEMISTRY
ISSN1144-0546
Volume34Issue:1Pages:132-136
AbstractA new molecule, (Z)-4-(4-(dimethylamino)benzylidene)-3-methyl-1-(pyridin-2-yl)-1H-pyrazol-5(4H)-one (dmpp), and its novel heteroleptic iridium(III) complex, [(ppy)(2)Ir(dmpp)]PF(6), were synthesized and characterized. Both dmpp and [(ppy)(2)Ir(dmpp)]PF(6) could be used as highly selective and sensitive chemodosimeters for the cyanide anion by the naked eye, owing to the addition of the CN(-) to the vinyl group of dmpp. The addition of CN(-) to a solution of dmpp induced a change in the solution color from yellow to colorless, and to [(ppy)(2)Ir(dmpp)]PF(6) induced a change in the solution color from pink to colorless. Moreover, [(ppy)(2)Ir(dmpp)]PF(6) could also act as a phosphorescent and electrochemical probe of CN(-). The green phosphorescence band at 520 nm and a new irreversible oxidation wave at 0.423 V showed up upon the addition of CN(-), indicating that [(ppy)(2)Ir(dmpp)]PF(6) was an excellent multisignaling chemodosimeter of CN(-). Importantly, the Ir complex-based cyanide chemodosimeter [(ppy)(2)Ir(dmpp)]PF(6) has much easier and faster detection of CN than pure organic molecule dmpp.
DOI10.1039/b9nj00442d
Indexed BySCI ; IC
Language英语
WOS IDWOS:000272959800017
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:32[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/69866
Collection中国科学院化学研究所
Corresponding AuthorBian, Zu-Qiang
AffiliationPeking Univ, Beijing Natl Lab Mol Sci, State Key Lab Rare Earth Mat Chem & Applicat, Coll Chem & Mol Engn, Beijing 100871, Peoples R China
Recommended Citation
GB/T 7714
Lou, Bin,Chen, Zhu-Qi,Bian, Zu-Qiang,et al. Multisignaling detection of cyanide anions based on an iridium(III) complex: remarkable enhancement of sensitivity by coordination effect[J]. NEW JOURNAL OF CHEMISTRY,2010,34(1):132-136.
APA Lou, Bin,Chen, Zhu-Qi,Bian, Zu-Qiang,&Huang, Chun-Hui.(2010).Multisignaling detection of cyanide anions based on an iridium(III) complex: remarkable enhancement of sensitivity by coordination effect.NEW JOURNAL OF CHEMISTRY,34(1),132-136.
MLA Lou, Bin,et al."Multisignaling detection of cyanide anions based on an iridium(III) complex: remarkable enhancement of sensitivity by coordination effect".NEW JOURNAL OF CHEMISTRY 34.1(2010):132-136.
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