Application of N-doped NiCo2O4/NiO/Co3O4 composites rich in oxygen vacancies in electromagnetic wave absorption

被引：0

作者：

Li, Junkang ^{[1
]}

Yang, Yiqing ^{[3
]}

Ma, Yongqing ^{[1
]}

Zhu, Chuhong ^{[1
]}

Wang, Meiling ^{[1
]}

Dai, Zhenxiang ^{[2
]}

Zheng, Ganhong ^{[1
]}

Ding, Wei ^{[3
]}

Sheng, Zhigao ^{[4
]}

机构：

[1] Anhui Univ, Sch Mat Sci & Engn, Hefei 230601, Peoples R China

[2] Anhui Univ, Sch Phys & Optoelect Engn, Hefei 230601, Peoples R China

[3] Anhui Univ, Inst Phys Sci & Informat Technol, Hefei 230601, Peoples R China

[4] Chinese Acad Sci, High Magnet Field Lab, Hefei 230031, Peoples R China

来源：

NANOTECHNOLOGY | 2024年 / 35卷 / 44期

基金：

中国国家自然科学基金;

关键词：

NiCo2O4/NiO/Co3O4; composites; N-doped; oxygen vacancy; microwave absorption; PERFORMANCE; MORPHOLOGY; FRAMEWORKS;

D O I：

10.1088/1361-6528/ad6c57

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

In this work, N-doped and oxygen vacancy-rich NiCo2O4/NiO/Co3O4 composites are synthesized by the direct calcination method. Noticeably, by changing the additive concentrations of urea dissolved in DMF (N-N dimethylformamide), the electromagnetic wave (EMW) absorption abilities of NiCo2O4/NiO/Co3O4 composite effectively. A maximum reflection loss (RLmax) value at 12.94 GHz for a 2.8 mm thick sheet is -29.76 dB, while its effective absorption bandwidth (RL < -10 dB) reaches 4.21 GHz. In-depth research of possible mechanisms of EMW absorption enhancement. Owing to its simple preparation method and superb EMW absorption properties, the NiCo2O4/NiO/Co3O4 composites have a chance to be suitable candidates for high-property EMW absorbers.

引用

页数：11

共 50 条

[1] Hierarchical NiCo2O4/Co3O4/NiO porous composite: a lightweight electromagnetic wave absorber with tunable absorbing performance
Liu, Xiaofang
Hao, Chengcheng
Jiang, He
Zeng, Min
Yu, Ronghai
JOURNAL OF MATERIALS CHEMISTRY C, 2017, 5 (15) : 3770 - 3778
[2] Facile synthesis and magneto-alignment effect on the microwave absorption property of NiCo2O4/NiO/Co3O4 composites
Dong, Haoqi
Yun, Zhiqiang
Zheng, Ganhong
Ding, Wei
Sheng, Zhigao
APPLIED SURFACE SCIENCE, 2024, 660
[3] N-doped and oxygen vacancy-rich NiCo2O4 nanograss for supercapacitor electrode
Wei, Song
Wan, Caichao
Zhang, Luyu
Liu, Xinyi
Tian, Wenyan
Su, Jiahui
Cheng, Wenjie
Wu, Yiqiang
CHEMICAL ENGINEERING JOURNAL, 2022, 429
[4] MECHANISM OF ELECTROREDUCTION OF OXYGEN ON THIN CO3O4 AND NICO2O4 FILMS
SINGH, RN
TIWARI, SK
CHARTIER, P
INDIAN JOURNAL OF CHEMISTRY SECTION A-INORGANIC BIO-INORGANIC PHYSICAL THEORETICAL & ANALYTICAL CHEMISTRY, 1990, 29 (09): : 837 - 840
[5] N-doped nanoporous Co3O4 nanosheets with oxygen vacancies as oxygen evolving electrocatalysts
Xu, Lei
Wang, Zhimin
Wang, Jialu
Xiao, Zhaohui
Huang, Xiaobing
Liu, Zhigang
Wang, Shuangyin
NANOTECHNOLOGY, 2017, 28 (16)
[6] Synthesis of compositionally graded nanocast NiO/NiCo2O4/Co3O4 mesoporous composites with tunable magnetic properties
Cabo, Moises
Pellicer, Eva
Rossinyol, Emma
Estrader, Marta
Lopez-Ortega, Alberto
Nogues, Josep
Castell, Onofre
Surinach, Santiago
Dolors Baro, Maria
JOURNAL OF MATERIALS CHEMISTRY, 2010, 20 (33) : 7021 - 7028
[7] Enhanced electromagnetic wave absorption property of binary ZnO/NiCo2O4 composites
Bin DU
Mei CAI
Xuan WANG
Junjie QIAN
Chao HE
Anze SHUI
Journal of Advanced Ceramics , 2021, (04) : 832 - 842
[8] Enhanced electromagnetic wave absorption property of binary ZnO/NiCo2O4 composites
Du, Bin
Cai, Mei
Wang, Xuan
Qian, Junjie
He, Chao
Shui, Anze
JOURNAL OF ADVANCED CERAMICS, 2021, 10 (04) : 832 - 842
[9] Microwave synthesis and effect of CTAB on ferromagnetic properties of NiO, Co3O4 and NiCo2O4 nanostructures
Babu, G. Anandha
Ravi, G.
Hayakawa, Y.
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING, 2015, 119 (01): : 219 - 232
[10] Exploring Energy Storage Capabilities: A Comparative Investigation of NiO and Co3O4 with Their Nanocomposite of NiCo2O4
Goel, Anshika
Mashangva, Tim Tim
Prasher, Sangeeta
Mishra, Amodini
Mishra, Ashok Kumar
Kumar, Mukesh
TOPICS IN CATALYSIS, 2024,

← 1 2 3 4 5 →