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利用傅里叶红外光谱仪-衰减全反射技术对不同棕树叶的太赫兹光谱进行了测量, 利用扫描电子显微镜及中红外光谱表征了样品的物理形貌与化学成分. 给出了叶绿素及类胡萝卜素的太赫兹指纹谱峰, 发现植物叶子的化学成分对光学响应的影响强于其物理形貌的影响. 在棕树叶的主要化学成分中, 叶绿素的太赫兹响应强于类胡萝卜素. 提出了植物光学研究以及太赫兹有机敏感材料研究的新方法, 获得了一些重要结果. 研究结果不仅有助于人们更加深入地了解植物的一些生理行为, 并可以从中得到启发, 为设计性能更高、针对性更强、应用更广的器件功能材料创造条件, 推动理论及应用研究的发展.Terahertz (THz) spectra for different palm leaves are measured by Fourier transformed infrared spectroscopy-attenuated total reflection, and the physical morphologies and chemical compositions of the leaves are characterized by scanning electron microscopy and infrared spectroscopy, respectively. Accordingly, the THz fingerprint peaks of chlorophyll and carotenoid are experimentally identified. In addition, the results indicate that the influence of the chemical composition in plant leave on optical response is significantly stronger than that of the physical morphology. Moreover, among the main chemical components of palm leave, the THz response of chlorophyll is stronger than that of carotenoid. In this work, new methods of investigating the optical properties of the planes and of developing novel THz sensitive organic materials are also proposed. Particularly, some important results are reported for the first time in this article. These valuable results will be helpful not only for an in-depth understanding of the physiological behavior of the plants, but also for the obtaining of inspiration for designing functional materials of device with higher performance, higher pertinency and wider applications, and thus promoting the development of related theories and applications.
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Keywords:
- plant /
- physical morphologies /
- chemical compositions /
- spectral features
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[1] Zuo Z G, Wang P, Ling F R, Liu J S, Yao J Q 2013 Chin. Phys. B 22 097304
[2] Chen H T, Padilla W J, Zide J M O, Gossard A C, Taylor A J, Averitt R D 2006 Nature 444 597
[3] Mo M M, Wen Q Y, Chen Z, Yang Q H, Li S, Jing Y L, Zhang H W 2013 Acta Phys. Sin. 62 237801 (in Chinese) [莫漫漫, 文岐业, 陈智, 杨青慧, 李胜, 荆玉兰, 张怀武 2013 62 237801]
[4] Oda N, Yoneyama H, Sasaki T, Sano M, Kurashina S, Hosako I, Sekine N, Sudoh T, Irie T 2008 Proc. SPIE Orlando, FL March 16, 2008 6940 69402Y
[5] Wang R L, Parameswaran S, Hastings G 2007 Vib. Spectrosc. 44 357
[6] Wan W B, Hua D X, Le J, Liu M X, Cao N 2013 Acta Phys. Sin. 62 190601 (in Chinese) [万文博, 华灯鑫, 乐静, 刘美霞, 曹宁 2013 62 190601]
[7] Ferruzzi M G, Blakeslee J 2007 Nut. Res. 27 1
[8] Chen M, Schliep M, Willows R D, Cai Z L, Neilan B A, Scheer H 2010 Science 329 1318
[9] Ma S H, Shi Y L, Xu X L, Yan W, Yang Y P, Wang L 2006 Acta Phys. Sin. 55 4091 (in Chinese) [马士华, 施宇蕾, 徐新龙, 严伟, 杨玉平, 汪力 2006 55 4091]
[10] Wang W N, Wang G, Zhang Y 2011 Chin. Phys. B 20 123301
[11] Ma C Q, Xu X D, Zou R J, Liu Y K, Ding L, Luo M J, He Q, Huang R, Wen Y J, Sun Z Q 2015 Spectrosc. Spectr. Anal. (Accept) (in Chinese) [马春前, 许向东, 邹蕊矫, 刘一客, 丁廉, 罗梦佳, 何琼, 黄锐, 温粤江, 孙自强 2015 光谱学与光谱分析 35 (已接收)]
[12] Tong Y, Gao L J, Xiao G M, Pan X M 2012 J. Food. Process. Eng. 35 792
[13] Zuo J, Zhang L, Yu F, Zhang Z W, Zhang C L 2010 Proc. SPIE Beijing, China October 18, 2010 7854 785439
[14] Korus A 2013 J. Food. Process. Preserv. 37 335
[15] Qu Y, Chen H, Qin X, Li L, Wang L, Kuang T 2007 Biochim. Biophys. Acta 1774 1614
[16] Liu H L 2011 M. S. Dissertation (Wuhan: Huazhong University of Science and Technology) (in Chinese) [刘红利 2011 硕士学位论文 (武汉: 华中科技大学)]
[17] Zhao H Y, Zhu Y Z, Chen C, He L, Zheng J Y 2012 Carbon 50 4894
[18] Xu K W, Rankin J G, Lash T D 1998 Vib. Spectrosc. 18 157
[19] Huang H X, Liu J, Cai Y Q 2013 J. Luminesc. 143 447
[20] Balantseva E, Miletto I, Coluccia S, Berlier G 2014 Micropor. Mesopor. Mater. 193 103
[21] Poursaberi T, Hassanisadi M, Torkestani K, Zare M 2012 Chem. Eng. J. 189 117
[22] Noguchi T, Mitsuka T, Inoue Y F 1994 FEBS. Lett. 356 179
[23] Shanmugam V, Manoharan S, Anandan S, Murugan R 2013 Spectrochim. Acta Pt. A: Mol. Bio. 104 35
[24] Shimizu M, Saito T, Isogai A 2014 Biomacromolecules 15 1904
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