ICCAS OpenIR
A facile and efficient method for rapid detection of trace nitroaromatics in aqueous solution
Tao, Shengyang1; Li, Yan1; Li, Guangtao1; Yu, Cailan2
2008
Source PublicationJOURNAL OF MATERIALS CHEMISTRY
ISSN0959-9428
Volume18Issue:37Pages:4426-4432
AbstractA novel photoluminescence (PL) quenching-based optical chemosensor has been developed for the sensing of nitroaromatic contaminants in aqueous solutions. ZnO clusters have been easily doped into mesoporous silica films. The presence of nitroaromatic compounds such as 2,4,6-trinitrotoluene (TNT) and nitrophenol can be rapidly detected from the quenching of the visible emission of the ZnO semiconductor doped in the mesoporous films. The emission quenching is quantitative and can be analyzed on the basis of the Stern-Volmer model relation with the quenching process of ZnO and organic molecules. Due to the good permeability and adsorptive properties, the PL mesoporous films exhibit remarkable sensitivity for the detection of these organic molecules at low concentration levels. These results suggest that these new mesostructured composite films are potentially useful chemosensory materials for detecting nitroaromatic pollutants in water.
DOI10.1039/b802655f
Indexed BySCI
Language英语
WOS IDWOS:000259380700007
PublisherROYAL SOC CHEMISTRY
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/63460
Collection中国科学院化学研究所
Corresponding AuthorLi, Guangtao
Affiliation1.Tsinghua Univ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China
2.Chinese Acad Sci, Inst Chem, Key Lab Photochem, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Tao, Shengyang,Li, Yan,Li, Guangtao,et al. A facile and efficient method for rapid detection of trace nitroaromatics in aqueous solution[J]. JOURNAL OF MATERIALS CHEMISTRY,2008,18(37):4426-4432.
APA Tao, Shengyang,Li, Yan,Li, Guangtao,&Yu, Cailan.(2008).A facile and efficient method for rapid detection of trace nitroaromatics in aqueous solution.JOURNAL OF MATERIALS CHEMISTRY,18(37),4426-4432.
MLA Tao, Shengyang,et al."A facile and efficient method for rapid detection of trace nitroaromatics in aqueous solution".JOURNAL OF MATERIALS CHEMISTRY 18.37(2008):4426-4432.
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