量子电子学报2012，Vol.29Issue(3)：357-361,5.DOI:10.3969/j.issn.1007-5461.2012.03.017
癸烷硫醇修饰的金/银SERS衬底用于PCB-77检测的研究
Decanethiol-modified Au/Ag SERS substrates for detection of polychlorinated biphenyl-77
摘要
Abstract
A " sphere plus plate " -composed Au/Ag nanostructure arrays with strong surface-enhanced Raman scattering (SERS) activity are fabricated through the templated method, and the SERS spectrum of polychlorinated biphenyl-77(PCB-77) based on this nanostructure is investigated. The results indicate that the characteristic Raman-shift peaks of PCB-77 may be observed with the bare SERS substrate, but the signal-to-noise ratio of SERS spectrum is too low. By functionalization-modifying decanethiol (DT) on the surface of the bare SERS substrate with the help of the interaction between the SH group of DT and novel metals, the SERS spectrum of PCB-77 is obviously improved. With the optimal functionalization-modified SERS substrate which is soaked in the DT solution for 36 h, the characteristic Raman-shift peaks' intensity of the SERS spectrum of PCB-77 gets enhanced greatly.关键词
光谱学/纳米阵列/表面增强拉曼散射/功能化修饰/多氯联苯-77Key words
spectroscopy/ nano-structured arrays/ surface-enhanced Ramam scattering/ functionalization-modifled/ polychlorinated biphenyl-77分类
数理科学引用本文复制引用
张袁芸,张兴坊,曹杰,毛庆和..癸烷硫醇修饰的金/银SERS衬底用于PCB-77检测的研究[J].量子电子学报,2012,29(3):357-361,5.基金项目
国家重点基础研究发展计划(973计划)(2007CB936603)、国家高技术研究发展计划(863计划)(2011AA030203)资助 （973计划）
