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Sensors 2011, 11(12), 11510-11515; doi:10.3390/s111211510

Contrastive Analysis of the Raman Spectra of Polychlorinated Benzene: Hexachlorobenzene and Benzene

1
Advanced Materials Laboratory, Department of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
2
Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing 100084, China
*
Author to whom correspondence should be addressed.
Received: 17 November 2011 / Revised: 1 December 2011 / Accepted: 5 December 2011 / Published: 8 December 2011
(This article belongs to the Special Issue Sensing of Organic Pollution in Soil, Air, Water and Food)
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Abstract

Detection of persistent pollutants such as polychlorinated benzene in environment in trace amounts is challenging, but important. It is more difficult to distinguish homologues and isomers of organic pollutantd when present in trace amounts because of their similar physical and chemical properties. In this work we simulate the Raman spectra of hexachlorobenzene and benzene, and figure out the vibration mode of each main peak. The effect on the Raman spectrum of changing substituents from H to Cl is analyzed to reveal the relations between the Raman spectra of homologues and isomers of polychlorinated benzene, which should be helpful for distinguishing one kind of polychlorinated benzene from its homologues and isomers by surface enhanced Raman scattering.
Keywords: persistent pollutants; polychlorinated benzene; homologue; isomer; hexachlorobenzene; vibration mode persistent pollutants; polychlorinated benzene; homologue; isomer; hexachlorobenzene; vibration mode
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Zhang, X.; Zhou, Q.; Huang, Y.; Li, Z.; Zhang, Z. Contrastive Analysis of the Raman Spectra of Polychlorinated Benzene: Hexachlorobenzene and Benzene. Sensors 2011, 11, 11510-11515.

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