Template-assisted synthesis of single-crystalline Mn3O4 nanoframes and hollow octahedra

Liu, Yi; Gao, Zhao-Fen; Sun, Qingbo; Zeng, Yu‐Ping

doi:10.1016/j.solidstatesciences.2012.08.014

Cited by 11 publications

(6 citation statements)

References 37 publications

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“…There are several reports on the preparation of hollow Mn 3 O 4 nanoparticles. ,− Attributes of hollow nanoparticles include storage and delivery of reagents − and the “cage effect” for reactions within the hollow interior. − Conceptually, the most direct path toward the synthesis of hollow metal oxide nanocrystals occurs upon oxidation of a metal nanocrystal followed by Kirkendall growth of the metal oxide; however, as of yet there are no reports of well-defined metallic Mn nanocrystals in the literature. A related strategy for the preparation of hollow oxide nanoparticles is galvanic replacement reaction in metal oxide nanocrystals .…”

Section: Introductionmentioning

confidence: 99%

Kirkendall Growth of Hollow Mn₃O₄ Nanoparticles upon Galvanic Reaction of MnO with Cu²⁺ and Evaluation as Anode for Lithium-Ion Batteries

et al. 2017

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We report the formation of high surface area hollow Mn 3 O 4 nanoparticles that form as a result of the galvanic reaction of Cu 2+ with MnO nanocrystals concomitant with a nanoscale Kirkendall effect. The MnO nanocrystals were prepared according to the ultralarge scale synthesis reported by Hyeon, which allowed the preparation of hollow Mn 3 O 4 in multigram quantities. Ex-situ analyses with transmission electron microscopy and powder X-ray diffraction show the morphology and phase stability of the hollow particles correlate with DSC-TGA data and show collapse of the hollow particles at temperatures greater than 200 °C. Electrodes fabricated from hollow Mn 3 O 4 exhibited excellent initial Li ion storage capability (initial discharge capacity = 1324 mAh/g) but poor cycling performance (97% loss of discharge capacity after 10th cycle), whereas Mn 3 O 4 -MWCNT electrodes exhibited good reversibility and discharge capacity of 760 mAh/g after 100 cycles.

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Section: Introductionmentioning

confidence: 99%

Kirkendall Growth of Hollow Mn₃O₄ Nanoparticles upon Galvanic Reaction of MnO with Cu²⁺ and Evaluation as Anode for Lithium-Ion Batteries

et al. 2017

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“…The presence of Mn 3 þ ions in octahedral coordination leads to tetragonal distortion of the normal spinel structure along the c axis due to the Jahn-Teller effect [4,5]. Mn 3 O 4 has been widely used in the field of catalysis [6][7][8][9][10][11][12], as a precursor for the synthesis of soft magnetic materials used as cores of transformers [9,13] and high density magnetic storage [6,11]. Another important application of Mn 3 O 4 and its derivatives is in the area of rechargeable lithium batteries [9,14].…”

Section: Introductionmentioning

confidence: 99%

Structure, cation valence states and electrochemical properties of nanostructured Mn3O4

Bose

Biju

2015

Materials Science in Semiconductor Processing

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“…Accordingly, the microscopic images in Fig. 12 show that the hollow dimension sizes, the single-crystalline phase and the lattice fringes of the tetragonal phase of Mn 3 O 4 were achieved via KMnO 4 reduction [119]. According to the general approaches to Mn-oxide nanostructures, there is evidence that potassium permanganate as a raw material is likely to have prepared Mn-oxides with novel nanostructures.…”

Section: Mn 3 O 4 Nanostructuresmentioning

confidence: 96%

“…12. SEM, TEM and HR-TEM images of the as-prepared Mn 3 O 4 nanoframes and nanohollows using a polyethylene glycol templateassisted route under hydrothermal conditions [119]. potassium ions is crucial for the crystalline manganese oxide formation.…”

Section: Mn 2 O 3 Nanostructuresmentioning

confidence: 99%

Exploitation of KMnO₄material as precursors for the fabrication of manganese oxide nanomaterials

Ahmed

2016

Journal of Taibah University for Science

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Since the first synthesis of KMnO 4 using pyrolusite mineral and potassium carbonate, the experimental synthesis of manganese oxide nanostructures and their application to multiple scientific disciplines have been undertaken extensively. In this review, potassium permanganate raw materials were shown to be more effective and versatile than other addition materials; therefore, they have been widely used to synthesize a variety of manganese oxide nanomaterials, including manganese dioxides, trioxides, tetraoxides, oxyhydroxides and metal-incorporated oxide nanomaterials. Recent progress focused on the synthesis and analysis of the novel characteristics of Mn-oxide nanostructures, emphasizing critical experiments to determine the chemical and physical parameters and the interplay between synthetic conditions and nanoscale morphologies. The Crystal Maker Demo program was applied to estimate the anisotropic transformations from KMnO 4 to Mn-oxide nanomaterials.

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Template-assisted synthesis of single-crystalline Mn3O4 nanoframes and hollow octahedra

Cited by 11 publications

References 37 publications

Kirkendall Growth of Hollow Mn₃O₄ Nanoparticles upon Galvanic Reaction of MnO with Cu²⁺ and Evaluation as Anode for Lithium-Ion Batteries

Kirkendall Growth of Hollow Mn₃O₄ Nanoparticles upon Galvanic Reaction of MnO with Cu²⁺ and Evaluation as Anode for Lithium-Ion Batteries

Structure, cation valence states and electrochemical properties of nanostructured Mn3O4

Exploitation of KMnO₄material as precursors for the fabrication of manganese oxide nanomaterials

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Template-assisted synthesis of single-crystalline Mn3O4 nanoframes and hollow octahedra

Cited by 11 publications

References 37 publications

Kirkendall Growth of Hollow Mn3O4 Nanoparticles upon Galvanic Reaction of MnO with Cu2+ and Evaluation as Anode for Lithium-Ion Batteries

Kirkendall Growth of Hollow Mn3O4 Nanoparticles upon Galvanic Reaction of MnO with Cu2+ and Evaluation as Anode for Lithium-Ion Batteries

Structure, cation valence states and electrochemical properties of nanostructured Mn3O4

Exploitation of KMnO4material as precursors for the fabrication of manganese oxide nanomaterials

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Kirkendall Growth of Hollow Mn₃O₄ Nanoparticles upon Galvanic Reaction of MnO with Cu²⁺ and Evaluation as Anode for Lithium-Ion Batteries

Kirkendall Growth of Hollow Mn₃O₄ Nanoparticles upon Galvanic Reaction of MnO with Cu²⁺ and Evaluation as Anode for Lithium-Ion Batteries

Exploitation of KMnO₄material as precursors for the fabrication of manganese oxide nanomaterials