Preparation and Thermal Insulation Performance of High Near-Infrared Reflectance (Ni, Sb)–Co-Doped Rutile Yellow/Silica Aerogel Hybrid Pigment

被引：0
作者：
Xiao J. [1 ]
Pan Z. [1 ]
Lu Y. [2 ]
Wang Y. [1 ,2 ]
机构：
[1] School of Materials Science and Engineering, South China University of Technology, Guangzhou
[2] School of Material Science and Engineering, North Minzu University, Yinchuan
来源：
Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society | 2023年 / 51卷 / 12期
关键词：
near infrared reflectance; pigment; silica aerogel; thermal insulation;
D O I：
10.14062/j.issn.0454-5648.20230437
中图分类号：
学科分类号：
摘要：
(Ni, Sb)-codoped rutile yellow (NiSb–RTi) pigment with a high near-infrared (Near infrared, NIR) reflectance was prepared by a solid–phase method, and then (Ni, Sb)-codoped rutile/silica aerogel (NiSb-RTi/silica aerogel) hybrid pigment with a high NIR reflectance and a network structure was prepared with SiO2 aerogel substrate. The structural characteristics, color rendering performance, NIR reflectance, and thermal insulation performance of the hybrid pigment were characterized. The results show that NiSb–RTi pigment synthesized at 1% (in mass fraction) NaF as a sintering aid has superior color rendering performance (b*=54.24) and NIR reflectance. NiSb–RTi/silica aerogel hybrid pigment with a network structure has a good color rendering performance, a low transmittance, a high NIR reflectance (i.e., 96.60%) and a low thermal conductivity (i.e., 0.068 54 W/(m·K)), indicating a superior thermal insulation performance. In addition, the preparation process and thermal insulation mechanism of the hybrid pigment with a network structure were also discussed. © 2023 Chinese Ceramic Society. All rights reserved.
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页码：3177 / 3188
页数：11
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