کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9594481 | 1507963 | 2005 | 10 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Growth of zinc phthalocyanine onto ZnS film investigated by synchrotron radiation-excited X-ray photoelectron and near-edge absorption spectroscopy
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موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
The molecular ordering and orientation of zinc phthalocyanine (ZnPc) on a ZnS film as well as the chemical properties of the interface were investigated by X-ray photoelectron and absorption spectroscopy with synchrotron radiation excitation. Core level photoelectron spectra of the substrate and the ZnPc film indicate a weak interaction at the interface. We observe a high molecular ordering, which is enhanced with increasing film thickness. A standing (or highly-tilted) molecular orientation in about 8 nm-thick ZnPc films is deduced from the polarization dependence of the N K X-ray absorption spectra. The same result was obtained from excitation energy dependence of the intensity ratio of the two carbon species in C 1s core level spectra. The annealing of the sample up to about 400 °C causes a desorption of ZnPc and a stronger interaction between remaining molecules and ZnS.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Surface Science - Volume 596, Issues 1â3, 10 December 2005, Pages 98-107
Journal: Surface Science - Volume 596, Issues 1â3, 10 December 2005, Pages 98-107
نویسندگان
L. Zhang, H. Peisert, I. Biswas, M. Knupfer, D. Batchelor, T. Chassé,