Toward a quantitative model for suspended particle devices: Optical scattering and absorption coefficients

被引：59

作者：

Barrios, David ^{[1
]}

Vergaz, Ricardo ^{[1
]}

Sanchez-Pena, Jose M. ^{[1
]}

Granqvist, Claes G. ^{[2
]}

Niklasson, Gunnar A. ^{[2
]}

机构：

[1] Univ Carlos III Madrid, Dept Tecnol Elect, Grp Displays & Aplicac Foton, E-28911 Madrid, Spain

[2] Uppsala Univ, Angstrom Lab, Dept Engn Sci, SE-75121 Uppsala, Sweden

来源：

SOLAR ENERGY MATERIALS AND SOLAR CELLS | 2013年 / 111卷

基金：

瑞典研究理事会;

关键词：

Suspended particle device; Optical properties; Diffuse transmittance and reflectance; Scattering and absorption coefficients; Two-flux theory; INTEGRATING SPHERE; TRANSFER EQUATION; 4-FLUX MODELS; SOLAR-ENERGY; REFLECTANCE; DIFFUSE; TRANSMITTANCE; RANGE; SOLVE;

D O I：

10.1016/j.solmat.2012.12.012

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

Suspended particle devices (SPDs) allow rapid voltage-controlled modulation of their optical transmittance and are of interest for solar-energy-related and other applications. We investigated the spectral total and diffuse transmittance of an SPD, including its angular dependence. The optical modulation was large for visible light but almost nil in the infrared, and the devices had noticeable haze. A theoretical two-flux model was formulated and provided a quantitative description of the absorption and scattering coefficients and thereby of the detailed optical performance. This analysis gives a benchmark for assessing improvements of the SPD technology as well as for comparing it with alternative technologies for optical modulation. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：115 / 122

页数：8

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