Intercalation and stitching of graphite oxide with diaminoalkanes

Margarita Herrera-Alonso; Ahmed A. Abdala; Michael J. McAllister; Ilhan A. Aksay; Robert Krafft Prud'homme

doi:10.1021/la0633839

Intercalation and stitching of graphite oxide with diaminoalkanes

Margarita Herrera-Alonso, Ahmed A. Abdala, Michael J. McAllister, Ilhan A. Aksay, Robert Krafft Prud'homme

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233 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	10644-10649
Number of pages	6
Journal	Langmuir
Volume	23
Issue number	21
DOIs	https://doi.org/10.1021/la0633839
State	Published - Oct 9 2007

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Spectroscopy
General Materials Science
Surfaces and Interfaces
Electrochemistry

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10.1021/la0633839

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title = "Intercalation and stitching of graphite oxide with diaminoalkanes",

abstract = "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.",

author = "Margarita Herrera-Alonso and Abdala, {Ahmed A.} and McAllister, {Michael J.} and Aksay, {Ilhan A.} and Prud'homme, {Robert Krafft}",

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T1 - Intercalation and stitching of graphite oxide with diaminoalkanes

AU - Herrera-Alonso, Margarita

AU - Abdala, Ahmed A.

AU - McAllister, Michael J.

AU - Aksay, Ilhan A.

AU - Prud'homme, Robert Krafft

PY - 2007/10/9

Y1 - 2007/10/9

N2 - 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.

AB - 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.

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Intercalation and stitching of graphite oxide with diaminoalkanes

Abstract

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