Size-dependent specific surface area of nanoporous film assembled by core-shell iron nanoclusters

被引：24
|
作者：
Antony, Jiji [1 ]
Nutting, Joseph [1 ]
Baer, Donald R. [2 ]
Meyer, Daniel [1 ]
Sharma, Amit [1 ]
Qiang, You [1 ]
机构：
[1] Univ Idaho, Dept Phys, Moscow, ID 83844 USA
[2] Pacific NW Natl Lab, EMSL, Richland, WA 99352 USA
来源：
JOURNAL OF NANOMATERIALS | 2006年 / 2006卷
关键词：
D O I：
10.1155/JNM/2006/54961
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Nanoporous films of core-shell iron nanoclusters have improved possibilities for remediation, chemical reactivity rate, and environmentally favorable reaction pathways. Conventional methods often have difficulties to yield stable monodispersed core-shell nanoparticles. We produced core-shell nanoclusters by a cluster source that utilizes combination of Fe target sputtering along with gas aggregations in an inert atmosphere at 7 degrees C. Sizes of core-shell iron- iron oxide nanoclusters are observed with transmission electron microscopy (TEM). The specific surface areas of the porous films obtained from Brunauer-Emmett-Teller (BET) process are size-dependent and compared with the calculated data. Copyright (c) 2006.
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页数：4
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