Derivatization of amino groups by pentafluorobenzaldehyde (PFB) as observed by XPS and NEXAFS spectroscopy on spin coated 4,4′‐methylenebis(2,6‐diethylaniline) films

E. Yegen; A. Lippitz; D. Treu; W. E. S. Unger

doi:10.1002/sia.2685

journal article Feb 20, 2008

Derivatization of amino groups by pentafluorobenzaldehyde (PFB) as observed by XPS and NEXAFS spectroscopy on spin coated 4,4′‐methylenebis(2,6‐diethylaniline) films

E. Yegen A. Lippitz D. Treu W. E. S. Unger

Surface and Interface Analysis Vol. 40 No. 3-4 pp. 176-179 · Wiley

View at Publisher Save 10.1002/sia.2685

Abstract

Abstract
A toluene solution of 4,4′‐methylenebis(2,6‐diethylaniline) was spin coated on Si wafers. The samples were derivatized with pentafluorobenzaldehyde (PFB) in order to determine the primary amino groups on the surface. XPS C 1s and N 1s and C and N K‐edge NEXAFS of underivatized and derivatized films were carefully analyzed. The result was that after 10 min of exposure the gas–surface reaction was already completed. A reasonable derivatization reaction yield in the order of 90% is derived from the experiments. This number correlates well to a reaction yield obtained by a wet chemical approach. Copyright © 2008 John Wiley & Sons, Ltd.

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Details

Published: Feb 20, 2008
Vol/Issue: 40(3-4)
Pages: 176-179
License: View

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Cite This Article

E. Yegen, A. Lippitz, D. Treu, et al. (2008). Derivatization of amino groups by pentafluorobenzaldehyde (PFB) as observed by XPS and NEXAFS spectroscopy on spin coated 4,4′‐methylenebis(2,6‐diethylaniline) films. Surface and Interface Analysis, 40(3-4), 176-179. https://doi.org/10.1002/sia.2685

Derivatization of amino groups by pentafluorobenzaldehyde (PFB) as observed by XPS and NEXAFS spectroscopy on spin coated 4,4′‐methylenebis(2,6‐diethylaniline) films

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