![]() |
个人信息Personal Information
教授 博士生导师
招生学科专业:
化学 -- 【招收硕士研究生】 -- 材料科学与技术学院
材料科学与工程 -- 【招收博士、硕士研究生】 -- 材料科学与技术学院
材料与化工 -- 【招收博士、硕士研究生】 -- 材料科学与技术学院
能源动力 -- 【招收博士、硕士研究生】 -- 材料科学与技术学院
性别:男
学历:南京大学
学位:理学博士学位
所在单位:材料科学与技术学院
办公地点:江宁校区1号楼14楼408A
联系方式:18005152399
电子邮箱:
Strong Electromagnetic Wave Response Derived from the Construction of Dielectric/Magnetic Media Heterostructure and Multiple Interfaces
点击次数:
所属单位:材料科学与技术学院
发表刊物:ACS APPLIED MATERIALS & INTERFACES
关键字:carbonyl iron heterostructure multiple interfaces yolk-shell electromagnetic wave absorbing
摘要:A novel yolk shell structure of cobalt nanoparticle embedded nano porous carbon@carbonyl iron (Co/NPC@Void@CI) was synthesized via metal organic chemical vapor deposition (MOCVD) and subsequent calcination treatment. The in situ generation of void layer, which originated from the shrink of a Co-based zeolitic imidazolate framework (ZIF-67) during carbonization, embodies distinct advantage compared to the conventional template method. Thanks to the introduction of custom designed dielectric/magnetic media heterostructure and multiple interfaces, the composites filled with 40 wt % of Co/NPC@Void@CI samples in paraffin exhibit a maximum reflection loss of -49.2 dB at 2.2 mm; importantly, a broad absorption bandwidth (RL < -10 dB) of 6.72 GHz can be obtained, which covers more than one-third of the whole frequency region from 10.56 to 17.28 GHz. This study not only develops the application of carbonyl iron as a high-efficiency light absorber but also initiates a fire-new avenue for artificially designed heterostructures with target functionalities.
ISSN号:1944-8244
是否译文:否
发表时间:2017-03-22
合写作者:权斌,梁小会,马建娜,欧阳佩仪,宫赫,徐国跃,都有为
通讯作者:姬广斌