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  Synthesis of a giant 222 carbon graphite sheet

Simpson, C. D., Brand, J. D., Berresheim, A. J., Przybilla, L., Räder, H. J., & Müllen, K. (2002). Synthesis of a giant 222 carbon graphite sheet. Chemistry-A European Journal, 8(6), 1424-1429.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-6659-1 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-000F-665B-E
Genre: Journal Article

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 Creators:
Simpson, C. D.1, Author              
Brand, J. D., Author
Berresheim, A. J., Author
Przybilla, L.1, Author              
Räder, Hans Joachim1, Author              
Müllen, Klaus1, Author              
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              

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Free keywords: carbon; cyclodehydrogenation; graphite; mass spectrometry; polycycles
 Abstract: In this paper we present the synthesis and characterization of the so far largest polycyclic aromatic hydrocarbon (PAH), containing 222 carbon atoms or 37 separate benzene units. First a suitable three-dimensional oligophenylene precursor molecule is built up by a sequence of Diels-Alder and cyclotrimerization reactions and then planarized in the final step by oxidative cyclodehydrogenation to the corresponding hexagonal PAH. Structural proof is based on isotopically resolved MALDI-TOF mass spectra and electronic characteristics are studied by UV/Vis spectroscopy.

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Language(s): eng - English
 Dates: 2002-03-15
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: No review
 Identifiers: eDoc: 28521
ISI: 000174555400018
 Degree: -

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Title: Chemistry-A European Journal
  Alternative Title : Chem.-Eur. J.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: -
Pages: - Volume / Issue: 8 (6) Sequence Number: - Start / End Page: 1424 - 1429 Identifier: ISSN: 0947-6539