Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 780, Issue -, Pages 718-726Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.11.411
Keywords
Graphene-organics composites; Metal-organic frameworks; Porous structure; Multiple interfaces; Electromagnetic wave absorption
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Funding
- National Natural Science Foundation of China [51572051]
- Natural Science Foundation of Heilongjiang Province [E2016023]
- Fundamental Research Funds for the Central Universities [HEUCF201708]
- Open Project Program of Key Laboratory for Photonic and Electric Bandgap Materials, Ministry of Education, Harbin Normal University [PEBM 201703, PEBM201704]
- 111 project of Ministry Education of China [B13015]
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Most of metal-organic frameworks (MOFs) themselves have low electrical conductivities, leading to bad electromagnetic wave (EMW) absorption properties. Herein we found that the EMW absorption property of zeolitic imidazolate frameworks-8 (ZIF-8) particles was improved unexpectedly after coupling them with graphene sheets. Experimental results and theoretical calculations indicated that well-defined interfaces between ZIF-8 and the graphene sheets were crucial to the improvement of EMW absorption property. Our strategy presented here may open a new way for designing other MOFs based hybrids for high-performance EMW absorbers. (C) 2018 Elsevier B.V. All rights reserved.
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