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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
chemistry
Intercalation and stitching of graphite oxide with diaminoalkanes
Langmuir, Volume 23, No. 21, Year 2007
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Description
The intercalation reaction of graphite oxide with diaminoalkanes, with the general formula H 2N(CH 2) nNH 2 (n = 4-10), was studied as a method for synthesizing pillared graphite with tailored interlayer spacing. Interlayer spacings from 0.8 to 1.0 nm were tailored by varying the size of the intercalant from (CH 2) 4 to (CH 2) 10. X-ray diffraction and infrared spectroscopy were used to confirm intercalation, and the frequency of the CH 2 stretch confirmed that the intercalants are in a disordered state, with an important contribution from the gauche conformer. Sequential intercalation of diaminoalkanes followed by dodecylamine demonstrated the inability of these "stitched" systems to undergo expansion along the c-direction, indicative of cross-linking. Finally, the reaction of graphite oxide with diaminoalkanes under reflux and for extended periods (>72 h) resulted in the chemical reduction of the graphite oxide to a disordered graphitic structure. © 2007 American Chemical Society.
Authors & Co-Authors
Herrera-Alonso, Margarita
United States, Princeton
Princeton University
Abdala, Ahmed A.
United States, Princeton
Princeton University
United Arab Emirates, Abu Dhabi
Khalifa University of Science and Technology
McAllister, Michael J.
United States, Princeton
Princeton University
Aksay, Ilhan A.
United States, Princeton
Princeton University
Prud'Homme, Robert K.
United States, Princeton
Princeton University
Statistics
Citations: 236
Authors: 5
Affiliations: 2
Identifiers
Doi:
10.1021/la0633839
ISSN:
07437463