Syntheses and structures of two noncentro symmetric inorganic–organic composite materials based on metal sulfate and 4,4′-bipyridine (M=Ni, Fe)

Li, Yafeng; Lü, Jian; Cao, Rong

doi:10.1016/j.inoche.2008.11.015

Cited by 6 publications

(2 citation statements)

References 20 publications

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“…Specifically, the g-C 3 N 4 @ZnCo-ZIF composite was first obtained via complex interactions, e.g., electrostatic interaction and coordination bond, among Zn 2+ , Co 2+ , g-C 3 N 4 , and 2-methylimidazole. Subsequently, g-C 3 N 4 @ZnCo-ZIF was further complexed with a chain-like Fe(bpy)SO 4 polymer Figure S1 (Supporting Information) further shows the corresponding Zeta potential results, FT-IR and Raman spectra, suggesting that the g-C 3 N 4 @ZnCo-ZIF- x precursors were successfully obtained by step-by-step assembly.…”

Section: Resultsmentioning

confidence: 86%

“…Subsequently, g-C 3 N 4 @ZnCo-ZIF was further complexed with a chain-like Fe(bpy)SO 4 polymer. 37 Figure 1a 1 −d 1 displays SEM images of g-C 3 N 4 @ZnCo-ZIF/ Fe(bpy)SO 4 -x (x = 0.1, 0.2, 0.8, and 1.6). One observes that the in situ assembled ZnCo-ZIF nanoparticles, with an average particle size of ∼200 nm, are supported on the surface of g-C 3 N 4 nanosheets.…”

Section: Resultsmentioning

confidence: 99%

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Nitrogen-Doped Carbon-Encapsulated FeCo Alloy Nanostructures with Surface-Dangling Fe(Co)-N_x Active Sites for Oxygen Reduction in Alkaline and Acid Media

Song

Zhong

et al. 2022

ACS Appl. Nano Mater.

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Simultaneously increasing the activity and stability of the transition metal-based catalysts is critical for nonprecious metal catalysts toward oxygen reduction reaction (ORR). Herein, FeCo alloy nanoparticles encapsulated in nitrogen-doped carbon (NC) materials with surface-dangling M-N x active sites were fabricated, and the corresponding electrocatalytic performance was carefully investigated toward ORR in both alkaline and acid media. The coexistence of M-N x active species (Co 5.47 N or FeN 0.0324 ) and FeCo alloy makes the ORR reactivity strongly enhanced compared to the counterparts with only M-N x or FeCo species. Density functional theory calculations clearly reveal that the synergistic effect between FeCo, Fe-N x , and NC can induce the hybridization effect between d orbitals of Fe/Co and p orbitals of N/C atoms, and thus favor the desorption of *OH intermediates. Therefore, the FeN 0.0324 -FeCo@NC nanocatalyst with abundant mesopores and macropores shows enhanced electrocatalytic performance in both media (E 1/2 are 0.86 and 0.74 V, respectively).

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Section: Resultsmentioning

confidence: 86%

Section: Resultsmentioning

confidence: 99%

Nitrogen-Doped Carbon-Encapsulated FeCo Alloy Nanostructures with Surface-Dangling Fe(Co)-N_x Active Sites for Oxygen Reduction in Alkaline and Acid Media

Song

Zhong

et al. 2022

ACS Appl. Nano Mater.

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Four coordination polymers derived from 4-amino-3,5-bis(3-pyridyl)-1,2,4-triazole and copper sulfate

Liu

Zhu

et al. 2010

Inorganic Chemistry Communications

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Synthesis, characterization and magnetic properties of four new organically templated metal sulfates [C5H14N2][MII(H2O)6](SO4)2, (MII = Mn, Fe, Co, Ni)

et al. 2011

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(4)), have been successfully synthesized by slow evaporation and characterized by single-crystal X-ray diffraction as well as with infrared spectroscopy, thermogravimetric analysis and magnetic measurements. All compounds were prepared using a racemic source of the 2-methylpiperazine and they crystallized in the monoclinic systems, P2 1 /n for (1, 3)andP2 1 /c for (2,4). Crystal data are as follows: [C 5

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Syntheses and structures of two noncentro symmetric inorganic–organic composite materials based on metal sulfate and 4,4′-bipyridine (M=Ni, Fe)

Cited by 6 publications

References 20 publications

Nitrogen-Doped Carbon-Encapsulated FeCo Alloy Nanostructures with Surface-Dangling Fe(Co)-N_x Active Sites for Oxygen Reduction in Alkaline and Acid Media

Nitrogen-Doped Carbon-Encapsulated FeCo Alloy Nanostructures with Surface-Dangling Fe(Co)-N_x Active Sites for Oxygen Reduction in Alkaline and Acid Media

Four coordination polymers derived from 4-amino-3,5-bis(3-pyridyl)-1,2,4-triazole and copper sulfate

Synthesis, characterization and magnetic properties of four new organically templated metal sulfates [C5H14N2][MII(H2O)6](SO4)2, (MII = Mn, Fe, Co, Ni)

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Syntheses and structures of two noncentro symmetric inorganic–organic composite materials based on metal sulfate and 4,4′-bipyridine (M=Ni, Fe)

Cited by 6 publications

References 20 publications

Nitrogen-Doped Carbon-Encapsulated FeCo Alloy Nanostructures with Surface-Dangling Fe(Co)-Nx Active Sites for Oxygen Reduction in Alkaline and Acid Media

Nitrogen-Doped Carbon-Encapsulated FeCo Alloy Nanostructures with Surface-Dangling Fe(Co)-Nx Active Sites for Oxygen Reduction in Alkaline and Acid Media

Four coordination polymers derived from 4-amino-3,5-bis(3-pyridyl)-1,2,4-triazole and copper sulfate

Synthesis, characterization and magnetic properties of four new organically templated metal sulfates [C5H14N2][MII(H2O)6](SO4)2, (MII = Mn, Fe, Co, Ni)

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Nitrogen-Doped Carbon-Encapsulated FeCo Alloy Nanostructures with Surface-Dangling Fe(Co)-N_x Active Sites for Oxygen Reduction in Alkaline and Acid Media

Nitrogen-Doped Carbon-Encapsulated FeCo Alloy Nanostructures with Surface-Dangling Fe(Co)-N_x Active Sites for Oxygen Reduction in Alkaline and Acid Media