Static light scattering properties of a ZnO nanosphere aqueous suspension at visible and near-infrared wavelengths

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英文篇名：Static light scattering properties of a ZnO nanosphere aqueous suspension at visible and near-infrared wavelengths 作者：武浩鹏 ; 史久林 ; 严峰 ; 杨俊杰 ; 张余宝 ; 何兴道 英文作者：Haopeng Wu;Jiulin Shi;Feng Yan;Junjie Yang;Yubao Zhang;Xingdao He;Jiangxi Engineering Laboratory for Optoelectronics Testing Technology, Nanchang Hangkong University;National Engineering Laboratory for Nondestructive testing and Optoelectric Sensing Technology and Application,Nanchang Hangkong University; 中文刊名：GXKB 英文刊名：中国光学快报(英文版) 机构：Jiangxi Engineering Laboratory for Optoelectronics Testing Technology, Nanchang Hangkong University;National Engineering Laboratory for Nondestructive testing and Optoelectric Sensing Technology and Application,Nanchang Hangkong University; 出版日期：2017-01-10 出版单位：Chinese Optics Letters 年：2017 期：v.15 基金：supported by the National Natural Science Foundation of China(Nos.41666004,41576033,and 61465009);; the Graduate Student Innovation Foundation of Jiangxi Province(No.YC2015-S331) 语种：英文; 页：GXKB201701022 页数：6 CN：01 ISSN：31-1890/O4 分类号：108-113

摘要

The scattering properties of ZnO nanospheres with four different particle diameters of 10, 50, 100, and 200 nm suspended in water are investigated theoretical and experimentally in the spectral range of the entire visible range and part of the near-infrared region. The scattering properties of ZnO nanospheres suspended in water are described by employing three main parameters: the angular distribution of the scattering intensity I, the scattering extinction coefficient αscat, and the scattering cross section σscat. The results indicate that(i) at a certain wavelength, the angular distribution of the scattering intensity appears as an obviously forwardpropagating feature, and the forward-scattering intensity is dominant gradually when the particle diameter increases from 10 to 200 nm, and(ii) the scattering extinction coefficient and cross section can be determined by using the measured transmittance changes of a pure water sample and a given ZnO sample; they all are shown to be dependent on the particle size and incident wavelength. The experimental results of four different scattering samples agree well with the theoretical predictions within the given wavelength range.
        The scattering properties of ZnO nanospheres with four different particle diameters of 10, 50, 100, and 200 nm suspended in water are investigated theoretical and experimentally in the spectral range of the entire visible range and part of the near-infrared region. The scattering properties of ZnO nanospheres suspended in water are described by employing three main parameters: the angular distribution of the scattering intensity I, the scattering extinction coefficient αscat, and the scattering cross section σscat. The results indicate that(i) at a certain wavelength, the angular distribution of the scattering intensity appears as an obviously forwardpropagating feature, and the forward-scattering intensity is dominant gradually when the particle diameter increases from 10 to 200 nm, and(ii) the scattering extinction coefficient and cross section can be determined by using the measured transmittance changes of a pure water sample and a given ZnO sample; they all are shown to be dependent on the particle size and incident wavelength. The experimental results of four different scattering samples agree well with the theoretical predictions within the given wavelength range.

引文

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