IMR OpenIR
Plasmonic AgAl Bimetallic Alloy Nanoparticle/Al2O3 Nanocermet Thin Films with Robust Thermal Stability for Solar Thermal Applications
Gao, JH; Wang, XY; Yang, B; Tu, CJ; Liang, LY; Zhang, HL; Fei, ZG; Cao, HT; Zou, YS; Yu, K; Xia, F; Han, YY; Cao, HT (reprint author), Chinese Acad Sci, Key Lab Addit Mfg Mat Zhejiang Prov, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China.
2016-08-19
发表期刊ADVANCED MATERIALS INTERFACES
ISSN2196-7350
卷号3期号:16
摘要Developing plasmonic materials as cermet composites is desirable for selective solar absorbers. Silver nanoparticles/alumina (Ag-Al2O3) cermet possesses reasonable resistance to high-temperature oxidation; however, an inherent long-range diffusion of Ag element limits their applications at elevated temperatures. In this work, a well-designed AgAl-Al2O3 nanocermet, after low-temperature pretreatment in air, exhibits stable plasmonic absorption feature with negligible degradation at 500 degrees C for 990 h in nitrogen ambient. Based on this cermet, an Al2O3/low metal volume fraction AgAl-Al2O3/high metal volume fraction AgAl-Al2O3/Al2O3/AgAl tandem absorber was successfully constructed, demonstrating a high solar absorptance of approximate to 95% and a low infrared emittance of approximate to 11%@673 K after annealing at 500 degrees C for 1002 h in nitrogen ambient. It is believed that thermal-induced out-diffusion of Al atoms from AgAl bimetallic nanoparticles and their consequent oxidation afford an opportunity to generate self-organized alumina-capped Ag nanoparticles. The alumina-capped Ag particles and unalloyed Ag agglomerations are mixed together to form mosaic structure, suppressing the long-distance diffusion of active Ag and wild growth of particle agglomerations so as to guarantee the microstructural integrity and plasmon absorption stability. These results demonstrate that the proposed AgAl-Al2O3-based solar absorber is remarkably promising to be used in high-temperature solar thermal conversion.
部门归属[gao, junhua ; wang, xiaoyu ; tu, chengjun ; liang, lingyan ; zhang, hongliang ; fei zhuge ; cao, hongtao] chinese acad sci, key lab addit mfg mat zhejiang prov, ningbo inst mat technol & engn, ningbo 315201, zhejiang, peoples r china ; [yang, bing] chinese acad sci, inst met res, shenyang natl lab mat sci, shenyang 110016, peoples r china ; [zou, yousheng] nanjing univ sci & technol, sch mat sci & engn, nanjing 210094, jiangsu, peoples r china ; [yu, ke ; xia, fei ; han, yingying] royal tech csp ltd, changzhou 213163, peoples r china
关键词Alloy Nanoparticles Nanocermet Thin Films Solar Absorbers Surface Plasmon Resonance Thermal Stability
学科领域Chemistry, Multidisciplinary ; Materials Science, Multidisciplinary
资助者National Nature Science Foundation of China [51302277, 61274095]; Applied Research Funds for Public Welfare Project of Zhejiang Province [2014C31148]; Chinese National Program on Key Basic Research Project [2012CB933003]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/76305
专题中国科学院金属研究所
通讯作者Cao, HT (reprint author), Chinese Acad Sci, Key Lab Addit Mfg Mat Zhejiang Prov, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China.
推荐引用方式
GB/T 7714
Gao, JH,Wang, XY,Yang, B,et al. Plasmonic AgAl Bimetallic Alloy Nanoparticle/Al2O3 Nanocermet Thin Films with Robust Thermal Stability for Solar Thermal Applications[J]. ADVANCED MATERIALS INTERFACES,2016,3(16).
APA Gao, JH.,Wang, XY.,Yang, B.,Tu, CJ.,Liang, LY.,...&Cao, HT .(2016).Plasmonic AgAl Bimetallic Alloy Nanoparticle/Al2O3 Nanocermet Thin Films with Robust Thermal Stability for Solar Thermal Applications.ADVANCED MATERIALS INTERFACES,3(16).
MLA Gao, JH,et al."Plasmonic AgAl Bimetallic Alloy Nanoparticle/Al2O3 Nanocermet Thin Films with Robust Thermal Stability for Solar Thermal Applications".ADVANCED MATERIALS INTERFACES 3.16(2016).
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