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  Redox Route from Inorganic Precursor Li2C2 to Nanopatterned Carbon

Simon, P., Feng, X.-J., Bobnar, M., Höhn, P., Schwarz, U., Carrillo-Cabrera, W., et al. (2017). Redox Route from Inorganic Precursor Li2C2 to Nanopatterned Carbon. ACS Nano, 11(2), 1455-1465. doi:10.1021/acsnano.6b06721.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-E05E-F Version Permalink: http://hdl.handle.net/21.11116/0000-0001-01FF-F
Genre: Journal Article

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 Creators:
Simon, Paul1, Author              
Feng, Xian-Juan2, Author              
Bobnar, Matej2, Author              
Höhn, Peter3, Author              
Schwarz, Ulrich4, Author              
Carrillo-Cabrera, Wilder2, Author              
Baitinger, Michael5, Author              
Grin, Yuri6, Author              
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              
2Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863405              
3Peter Höhn, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863419              
4Ulrich Schwarz, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863423              
5Michael Baitinger, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863416              
6Juri Grin, Chemical Metal Science, Max Planck Institute for Chemical Physics of Solids, Max Planck Society, ou_1863413              

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 Abstract: We present the synthesis route to carbon with hierarchical morphology on the nanoscale. The structures are generated using crystalline orthorhombic lithium carbide (Li2C2) as precursor with nanolamellar organization. Careful treatment by SnI4 oxidizes carbon at the fairly low temperature of 80 degrees C to the elemental state and keeps intact the initial crystallite shape, the internal lamellar texture of particles, and the lamellae stacking. The reaction product is amorphous but displays in the microstructure parallel band-like arrangements with diameters in the range of 200-500 nm. These bands exhibit internal fine structure made up by thin strips of about 60 nm width running inclined with respect to the long axis of the band. The stripes of neighboring columns sometimes meet and give rise to arrow like arrangements in the microstructure. This is an alternative preparation method of nanostructured carbon from an inorganic precursor by a chemical redox route without applying physical methods such as ion implantation, printing, or ablation. The polymerization reaction of the triple bond of acetylide anions gives rise to a network of carbon sp(2) species with statistically sized and distributed pores with diameters between 2 and 6 angstrom resembling zeolite structures. The pores show partially paracrystal-like ordering and may indicate the possible formation of carbon species derived from graphitic foams.

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Language(s): eng - English
 Dates: 2017-02-102017-02-10
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: ISI: 000395357300036
DOI: 10.1021/acsnano.6b06721
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Title: ACS Nano
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 11 (2) Sequence Number: - Start / End Page: 1455 - 1465 Identifier: ISSN: 1936-0851
CoNE: /journals/resource/1936-0851