Cu/NC@Co/NC composites derived from core-shell Cu-MOF@Co-MOF and their electromagnetic wave absorption properties

Texture Regulation of Metal–Organic Frameworks, Microwave Absorption Mechanism‐Oriented Structural Optimization and Design Perspectives

“…Reproduced with permission. [ 103 ] Copyright 2022, Elsevier. e) Schematic illustration for the preparation of hollow multishell ZIF‐8@ZIF‐67 and derivative NC@Co/NC.…”

“…[91] Because the chemical structures of these MAMs are identical, their EMW absorption properties can assist in clarifying the dependence of EMW absorption on topography. For example, Chen et al used two supramolecular MOF isomers (MIL-101-Fe and MIL-88B-Fe) as precursors for preparing Fe/C-based EMW absorption ZnOC@CoC@PAN ZIF-8@ZIF-67 Core-shell −50.62 5.86 [95] ZnO/NPC@Co/NPC ZIF-8@ZIF-67 −28.80 4.20 [96] Co/MnO/CNTs ZIF-8@ZIF-67 −58.00 4.50 [97] ZnO@C/Co 3 ZnC ZIF-8@ZIF-67 −62.90 5.50 [98] Co@C@NPC ZIF-8@ZIF-67 −57.20 5.70 [99] CoNi/TiO 2 MIL-125@ZIF-67 −65.3 4.40 [100] CoFe@C ZIF-67@PBA −44.10 5.20 [101] Co@ZnO/Ni@NC ZIF-67@ZIF-8 Yolk-shell −55.00 ≈3.60 [102] Co@NC ZIF-8@ZIF-67 Hollow multishell −52.50 4.40 [47] Cu/NC@Co/NC Cu-HKUST@ZIF-67 Core-satellite −54.13 5.19 [103] CoFe/FeZr 2 /CoZr 2 /ZrO 2 DUT-52@MIL-88B −65.2 4.80 [104] FeCoZn@C MIL-88B@MOF-5 −53.10 6.00 [105] composites (Figure 5d). [88] Additionally, different polar solvents have been used for MOF self-assembly to create supramolecular isomers (Figure 5c).…”

“…For example, a series of core–satellite Cu‐HKUST@ZIF‐67 has been fabricated by in situ epitaxial growth of ZIF‐67 on Cu‐HKUST (Figure 6d ). [ 103 ]…”

Molecular engineering guided dielectric resonance tuning in derived carbon materials

“…6(i) and Table S1 (ESI †), MAPC-6 should be the most promising candidate for the new generation of lightweight and high-performance EMA materials due to its wide absorption bandwidth, low filler loading ratio, and adjustable absorption frequency. [35][36][37][38][39][40][41][42][43] For comprehensive investigation, the RL curves of MAPCs with 5 wt% and 15 wt% filler loading ratios are listed in Fig. S11 and S12 (ESI †).…”

Enhanced electromagnetic wave absorption of Fe3O4@MnO2@Ni–Co/C composites derived from Prussian blue analogues

“…Nowadays, metal–organic frameworks (MOFs) have become a research hotspot in the field of EMW absorption owing to their diverse structural topologies, large specific surface area and plentiful porosity. 26–29 MOFs are hybrids composed of metal ions and organic ligands with periodic coordination. The etching and exchange of central metal ions can regulate the EMW absorption of MOF-derived microwave absorbing materials not only by constructing hollow structures but also by introducing heterometal atoms or interfaces.…”