基于表面增强拉曼光谱技术的陈皮年份检测

杨方; 钟莹; 周鸿昆; 褚赛赛; 刘海涛

doi:doi:10.3788/lop54.033001

激光与光电子学进展, 2017, 54 (3): 033001, 网络出版: 2017-03-08

基于表面增强拉曼光谱技术的陈皮年份检测下载： 688次

Detection of Years of Dried Tangerine Peels Based on Surface-Enhanced Raman Spectroscopy

论文大纲

杨方 ¹钟莹 ¹周鸿昆 ¹褚赛赛 ²刘海涛 ³

作者单位

¹ 天津大学精密仪器与光电子工程学院精密测试技术及仪器国家重点实验室, 天津 300072

² 北京大学物理学院人工微结构和介观物理国家重点实验室, 北京 100871

³ 南开大学电子信息与光学工程学院现代光学研究所，光学信息技术科学教育部重点实验室, 天津 300071

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摘要

采用表面增强拉曼光谱技术对8种不同储存年份的陈皮进行检测。测试分析了储存11年的陈皮样品于金膜、银纳米颗粒、金膜-银纳米颗粒增强基底上的拉曼光谱。在金膜-银纳米颗粒增强基底上的陈皮拉曼光谱特征峰最明显，对375、493、650 cm-1等12处的拉曼特征峰进行初步归属分析，据此对陈皮的生化成分进行初步判断，并探讨了陈皮在金膜-银纳米颗粒基底上拉曼信号的增强机理。此外，通过分析比较8种不同年份陈皮的表面增强拉曼光谱信息，区分出不同存储年份的陈皮。根据峰值位置信息的变化，得出与存放5年及以下的陈皮相比，存放7年及以上的陈皮产生了某些新成分的结论。

Abstract

Dried tangerine peels stored for eight different periods were measured by surface-enhanced Raman spectroscopy. Raman spectra on gold film substrate, silver nanoparticle substrate and gold film-silver nanoparticle substrate of dried tangerine peels stored for 11 years were detected and analyzed School. Raman spectra of dried tangerine peels tested on gold film-silver nanoparticle substrate show the most obvious Raman characteristic lines. 12 Raman characteristic peaks at 375, 493, 650 cm-1, etc. were initially assigned, which gave an experimental evidence to judge the biochemical components of dried tangerine peels. Probable enhancing mechanism of the Raman signal of dried tangerine peels on gold film-silver nanoparticle substrate was discussed. By comparing and analyzing the surface-enhanced Raman spectral information, dried tangerine peels of different storage periods were distinguished. According to the Raman spectral information of the eight samples, a conclusion can be drawn that the dried tangerine peels stored for more than 7 years (including 7 years) produce some new components compared with the dried tangerine peels stored for less than 5 years (including 5 years).

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杨方, 钟莹, 周鸿昆, 褚赛赛, 刘海涛. 基于表面增强拉曼光谱技术的陈皮年份检测[J]. 激光与光电子学进展, 2017, 54(3): 033001. Yang Fang, Zhong Ying, Zhou Hongkun, Chu Saisai, Liu Haitao. Detection of Years of Dried Tangerine Peels Based on Surface-Enhanced Raman Spectroscopy[J]. Laser & Optoelectronics Progress, 2017, 54(3): 033001.

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