[1]高 颖,刘伟强,李 毅,等.模拟叶片反射的光散射仿生膜光谱分析[J].常州大学学报(自然科学版),2023,35(06):11-18.[doi:10.3969/j.issn.2095-0411.2023.06.002]
　GAO Ying,LIU Weiqiang,LI Yi,et al.Spectral analysis of light scattering biomimetic film simulating leaf reflection[J].Journal of Changzhou University(Natural Science Edition),2023,35(06):11-18.[doi:10.3969/j.issn.2095-0411.2023.06.002]
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模拟叶片反射的光散射仿生膜光谱分析()
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常州大学学报(自然科学版)[ISSN:2095-0411/CN:32-1822/N]

卷:
第35卷
期数:
2023年06期
页码:
11-18
栏目:
材料科学与工程
出版日期:
2023-11-28

文章信息/Info

Title:
Spectral analysis of light scattering biomimetic film simulating leaf reflection
文章编号:
2095-0411(2023)06-0011-08
作者:
高 颖;  刘伟强;  李 毅;  陈娅君;  唐 波;  陆蓓蓓;  周海军
(常州大学 石油与天然气工程学院, 江苏 常州 213164)
Author(s):
GAO Ying;  LIU Weiqiang;  LI Yi;  CHEN Yajun;  TANG Bo;  LU Beibei;  ZHOU Haijun
(School of Petroleum and Natural Gas Engineering, Changzhou University, Changzhou 213164, China)
关键词:
仿生膜;  叶绿素;  叶绿素铜钠盐;  二氧化钛;  反射率
Keywords:
biomimetic film;  chlorophyll;  sodium copper chlorophyllin;  TiO2;  reflectance
分类号:
Q 43
DOI:
10.3969/j.issn.2095-0411.2023.06.002
文献标志码:
A
摘要:
为应对高光谱成像侦察,设计了2种模拟植物叶片反射谱的光散射膜并分别命名为TiO2/Chl和TiO2/SCC仿生膜。两类膜的基体均为亲水的聚乙烯醇/氯化锂薄膜,散射微粒均为二氧化钛(TiO2),色素分别为叶绿素(Chl)和叶绿素铜钠盐(SCC)。采用分光光度计分别测量了样品和桂花树叶片的反射率及桂花树叶片色素提取液、Chl和SCC溶液的吸光度。结果表明,在430～2 500 nm内,TiO2具有强散射特性,增强了基体膜的反射辐射。在TiO2的散射作用下,由于Chl和SCC具有与植物叶片色素相似的吸收特性,且基体膜含水,仿生膜反射谱均呈现与绿色叶片反射谱相似的4个基本特征,即“绿峰”“红边”“近红外高原”和水吸收带。TiO2/Chl和TiO2/SCC仿生膜的反射谱与桂花树叶片的相关系数分别为0.90和0.95。
Abstract:
To deal with hyperspectral imaging reconnaissance, two types of light scattering films simulating the reflection spectra of plant leaves were designed and named TiO2/Chl and TiO2/SCC biomimetic films, respectively. The substrates of the two types of the above films are both hydrophilic polyvinyl alcohol/lithium chloride films; the scattered particles are both titanium dioxide(TiO2); the pigments are chlorophyll(Chl)and sodium copper chlorophyllin(SCC), respectively. The reflectances of samples and an Osmanthus fragrans leaf, and the absorbances of solutions of pigment extracted from the Osmanthus fragrans leaf,Chl and SCC were measured by spectrophotometer. The results show that the reflected radiation of the substrate film is enhanced by TiO2 due to the strong scattering characteristics in the range of 430—2 500 nm; under the scattering action of TiO2, because Chl and SCC have absorption characteristics similar to plant leaf pigments, and the substrate film contains water, the reflection spectra of the biomimetic films show four basic characteristics similar to that of green plant leaves, namely “green peak”, “red edge”, “near-infrared plateau” and water absorption bands. The correlation coefficients between the reflection spectra of TiO2/Chl and TiO2/SCC biomimetic films and the Osmanthus fragrans leaf are 0.90 and 0.95, respectively.

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备注/Memo

备注/Memo:
收稿日期: 2023-04-29。
基金项目: 江苏省高等学校自然科学研究面上资助项目(22KJB470009); 江苏省研究生培养创新工程科研与实践创新计划资助项目(SJCX22_1439); 江苏省自然科学基金资助项目(BK20180957)。
作者简介: 高颖(1989—), 女, 天津人, 博士, 讲师。E-mail: gydyx@cczu.edu.cn
更新日期/Last Update: 1900-01-01