海水养殖金色珍珠独特的吸收光谱及其微结构

doi:10.3969/j.issn.1007-2861.2014.01.024

上海大学学报(自然科学版) ›› 2014, Vol. 20 ›› Issue (6): 707-714.doi: 10.3969/j.issn.1007-2861.2014.01.024

海水养殖金色珍珠独特的吸收光谱及其微结构

严俊1, 刘培钧2, 张旭2, 俞丹燕2, 胡仙超3, 王小祥1

1. 浙江省质量检测科学研究院, 杭州310013; 2. 浙江大学材料科学与工程系, 杭州310027;3. 浙江工业大学分析测试中心, 杭州310014)

收稿日期:2013-10-21 出版日期:2014-12-23 发布日期:2014-12-23
作者简介:严俊(1981—), 男, 工程师, 博士, 研究方向为功能材料. E-mail: yanj_zjut@163.com
基金资助:
国家自然科学基金资助项目(21173193); 浙江省教育厅基金资助项目(Y201225711); 浙江省质量检测科学研究院博士科研启动基金资助项目(2013BS01); 浙江省质量检测科学研究院创新团队基金资助项目(KC-07)

Unique Absorption Spectrum and Microstructure Characteristics of Golden Seawater Cultured Pearl

YAN Jun1,2, LIU Pei-jun2, ZHANG Xu2, YU Dan-yan2,HU Xian-chao3, WANG Xiao-xiang1

1. Zhejiang Institute of Quality Inspection Science, Hangzhou 310013, China;2. Department of Material Science and Engineering, Zhejiang University, Hangzhou 310027, China;3. Research Center of Analysis and Measurement, Zhejiang University of Technology,Hangzhou 310014, China

Received:2013-10-21 Online:2014-12-23 Published:2014-12-23

摘要/Abstract

摘要： 通过紫外-可见(ultraviolet-visible, UV-VIS)吸收光谱、场发射扫描电镜(field emissionscanning electron microscope, FE-SEM)与傅里叶变换红外(Fourier transform infrared,FTIR)光谱对海水养殖金色珍珠(golden seawater cultured pearl, gold CP)的微结构及其吸收光谱特征进行了较系统的研究. 结果表明: 海水养殖金色珍珠外表面珍珠层“叠瓦状”结构的疏密程度在其表面的不同区域存在不同, 该特征可能是导致金色珍珠不同区域的紫外-可见吸收光谱存在差异的因素之一; 在由内向外的方向上, 接近珍珠核心处的珍珠层中未见单一的文石板片或棱柱结构, 而在珍珠层的中部及外侧区域均为文石板片结构; 珍珠层的外表面由多级结构构成, 其中单个珍珠层微米级的文石板片由纳米级文石小颗粒组成.

关键词: 光子带隙结构, 海水养殖金色珍珠, 微结构, 珍珠层, 紫外-可见吸收光谱

Abstract: A systematic study on the golden seawater cultured pearl (gold CP) were carried out using ultraviolet-visible (UV-VIS) absorption spectrum, field emission scanning electron microscope (FE-SEM) and Fourier transform infrared (FTIR) spectra. The following results were obtained. Density of imbricate structure on the surface of gold CP is different, maybe a result of the slight varied UV-VIS absorption spectrum. From inside to outside of nacreous layer in the cross-section, aragonite sheet or prism structure has not been found in the region near the nucleus. In contrast, aragonite crystal exists in a form of sheet structure in the middle and the outer part of the nacreous layer. The surface of nacreous layer displays the characteristic of multistage structural units, and a micro-sheet existing in the surface of nacreous layer is composed of many aragonite nano-particles.

Key words: golden seawater cultured pearl (gold CP), microstructure;UV-VIS absorption spectrum, nacreous layer, photonic band gap structure

中图分类号:

Q 954
P 574

严俊1, 刘培钧2, 张旭2, 俞丹燕2, 胡仙超3, 王小祥1. 海水养殖金色珍珠独特的吸收光谱及其微结构[J]. 上海大学学报(自然科学版), 2014, 20(6): 707-714.

YAN Jun-1, LIU Pei-Jun-2, ZHANG Xu-2, SHU Dan-Yan-2, HU Xian-Chao-3, WANG Xiao-Xiang-1. Unique Absorption Spectrum and Microstructure Characteristics of Golden Seawater Cultured Pearl[J]. Journal of Shanghai University（Natural Science Edition）, 2014, 20(6): 707-714.

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海水养殖金色珍珠独特的吸收光谱及其微结构

Unique Absorption Spectrum and Microstructure Characteristics of Golden Seawater Cultured Pearl

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