High-Sensitivity Transmission IR Spectroscopy for the Chemical Identification and Structural Analysis of Conjugated Molecules on Gallium Arsenide Surfaces

We demonstrate the use of high-sensitivity, off-normal transmission IR spectroscopy with s-polarized light to probe the chemical identity and orientation of quaterphenyldithiol (QPDT) molecular assemblies on GaAs as a function of ammonium hydroxide (NH4OH) concentration. NH4OH is added to the assemb...

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Veröffentlicht in:	Langmuir 2006-11, Vol.22 (23), p.9491-9494
Hauptverfasser:	Krapchetov, Dmitry A, Ma, Hong, Jen, Alex K. Y, Fischer, Daniel A, Loo, Yueh-Lin
Format:	Artikel
Sprache:	eng
Schlagworte:	CHEMICAL ANALYSIS Chemistry Exact sciences and technology GALLIUM ARSENIDES General and physical chemistry INFRARED SPECTRA INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY national synchrotron light source ORIENTATION SURFACE PROPERTIES THIOLS
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