کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
11004241 | 1469333 | 2018 | 8 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Ultra-small Co/CNTs nanohybrid from metal organic framework with highly efficient microwave absorption
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
سایر رشته های مهندسی
مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The application of composites of carbon matrix and ferromagnetic nanoparticles as electromagnetic wave absorption materials has received extensive attention. In this study, we successful synthesized metal organic framework (MOF) with dodecahedron shape by the decomposition of Co-based precursor of zeolitic imidazolate framework (ZIF -67). And to further improve the absorbing performance, acetylene was introduced to obtain ultra-small Co/CNTs nanohybrids. During CVD process, Co nanoparticles of MOF cracked into Co nanocrystals catalyzing the growth of carbon nanotubes (CNTs). Among three composites of ZIF-67, MOF and Co/CNTs, the Co/CNTs presented the better performance for electromagnetic wave absorption. Particularly, the maximum reflection loss (RL) of Co/CNTs reached â49.16â¯dB in case of the absorber thickness of 2.5â¯mm. The excellent absorbing performance is more likely attributed to the novel structure and the double losses of magnetic Co and dielectric CNTs.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Part B: Engineering - Volume 152, 1 November 2018, Pages 316-323
Journal: Composites Part B: Engineering - Volume 152, 1 November 2018, Pages 316-323
نویسندگان
Xiangyun Xiao, Wenjun zhu, Zhen Tan, Wei Tian, Yang Guo, Hong Wang, Jianan Fu, Xian Jian,