NIMTE OpenIR  > 2014专题
Silver Nanoparticles with an Armor Layer Embedded in the Alumina Matrix To Form Nanocermet Thin Films with Sound Thermal Stability
Gao, Junhua; Tu, Chengjun; Liang, Lingyan; Zhang, Hongliang; Zhuge, Fei; Liang Wu; Cao, Hongtao; Yu, Ke
2014
Source PublicationACS APPLIED MATERIALS & INTERFACES
Volume6Issue:14Pages:11550
AbstractIn this article, we demonstrate that the Al-alloyed Ag nanoparticle-embedded alumina nanocermet films lead to excellent thermal stability, even at 500 degrees C for 130 h under an ambient nitrogen atmosphere. The outward diffusion of Al atoms from the AgAl bimetallic alloy nanoparticles and their easy oxidation create an armor layer to suppress the mobility of Ag atoms. Then, the AlAg particles or/and agglomerates with a uniform spherical shape favor higher dispersion concentration within the host matrix, which is beneficial both for high absorptance in the visible range and for the solid localized surface plasmon absorption features in the AgAl-Al2O3 nanocermet films. Based on the AgAl-Al2O3 absorbing layer with sound optical and microstructural stability, we successfully constructed a high-temperature-endurable solar selective absorber. The multilayer stacked absorber demonstrates a high solar absorptance of similar to 94.2% and a low thermal emittance of similar to 15% (@ 673 K) after annealing at 450 degrees C for 70 h in an ambient nitrogen atmosphere.
Document Type期刊论文
Identifierhttp://ir.nimte.ac.cn/handle/174433/11804
Collection2014专题
Recommended Citation
GB/T 7714
Gao, Junhua,Tu, Chengjun,Liang, Lingyan,et al. Silver Nanoparticles with an Armor Layer Embedded in the Alumina Matrix To Form Nanocermet Thin Films with Sound Thermal Stability[J]. ACS APPLIED MATERIALS & INTERFACES,2014,6(14):11550.
APA Gao, Junhua.,Tu, Chengjun.,Liang, Lingyan.,Zhang, Hongliang.,Zhuge, Fei.,...&Yu, Ke.(2014).Silver Nanoparticles with an Armor Layer Embedded in the Alumina Matrix To Form Nanocermet Thin Films with Sound Thermal Stability.ACS APPLIED MATERIALS & INTERFACES,6(14),11550.
MLA Gao, Junhua,et al."Silver Nanoparticles with an Armor Layer Embedded in the Alumina Matrix To Form Nanocermet Thin Films with Sound Thermal Stability".ACS APPLIED MATERIALS & INTERFACES 6.14(2014):11550.
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