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[1]陈乐,陆春华,房正刚,等.Sm1-xSrxCoO3陶瓷的制备及O2气氛热处理对光热转换性能的影响[J].南京工业大学学报(自然科学版),2014,36(02):7-13.[doi:10.3969/j.issn.1671-7627.2014.02.002]
 CHEN Le,LU Chunhua,FANG Zhenggang,et al.Preparation of Sm1-xSrxCoO3 ceramic and effect of heat treatment on solar photo-thermal conversion property under oxygen atmosphere[J].Journal of NANJING TECH UNIVERSITY(NATURAL SCIENCE EDITION),2014,36(02):7-13.[doi:10.3969/j.issn.1671-7627.2014.02.002]
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Sm1-xSrxCoO3陶瓷的制备及O2气氛热处理对光热转换性能的影响()
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《南京工业大学学报(自然科学版)》[ISSN:1671-7627/CN:32-1670/N]

卷:
36
期数:
2014年02期
页码:
7-13
栏目:
出版日期:
2014-03-30

文章信息/Info

Title:
Preparation of Sm1-xSrxCoO3 ceramic and effect of heat treatment on solar photo-thermal conversion property under oxygen atmosphere
文章编号:
1671-7627(2014)02-0007-07
作者:
陈乐陆春华房正刚陆依倪亚茹许仲梓
南京工业大学 材料科学与工程学院,江苏 南京 210009
Author(s):
CHEN LeLU ChunhuaFANG ZhenggangLU Yi NI YaruXU Zhongzi
College of Materials Science and Engineering,Nanjing Tech University, Nanjing 210009,China
关键词:
钙钛矿 O2气氛 热稳定性 发射率 光热转换
Keywords:
perovskite oxygen atmosphere thermal stability emissivity solar photo-thermal conversion
分类号:
TK512
DOI:
10.3969/j.issn.1671-7627.2014.02.002
文献标志码:
A
摘要:
研究不同Sr掺量Sm1-xSrxCoO3陶瓷材料的制备及O2气氛热处理温度对产物光热转换性能的影响。研究表明:不同Sr2+掺杂浓度所合成的样品均为单一的钙钛矿结构,Sr掺量x为0.5时的发射率达到最小值(0.25)。Sm0.5Sr0.5CoO3样品经800 ℃ O2气氛热处理后,产物能保持稳定的钙钛矿结构,且呈现较好的光谱选择性吸收性能,对应的温升效果最显著(15 min升高至400 ℃)。
Abstract:
Perovskite-type Sm1-xSrxCoO3 oxides were prepared with different Sr concentrations and temperatures under oxygen atmosphere to evaluate the solar thermal conversion property. Results indicated that the single perovskite structure was obtained with the Sr concentration ranged from 0 to 0.8. The minimum value of spectral emissivity reached 0.25 when x was 0.5. For Sm0.5Sr0.5CoO3 sintered at 800 ℃ under oxygen atmosphere, it maintained stable perovskite structure, and exhibited outstanding visible and near-infrared light absorption and low emissivity properties. On the basis of the remarkable temperature rise performance with 400 ℃ achieved in 15 min, it could be used as a solar selective absorbing material at mid- and high-temperatures.

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备注/Memo

备注/Memo:
收稿日期:2013-04-27
基金项目:江苏省普通高校研究生科研创新计划(CXZZ11_0329); 江苏高校优势学科建设工程
作者简介:陈乐(1987—),女,江苏靖江人,博士生,主要研究方向为光电功能复合材料; 陆春华(联系人),教授,E-mail:chhlu@njtech.edu.cn..
更新日期/Last Update: 2014-03-20