کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
9567507 1503718 2005 5 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
STM-induced light emission from the surface of H2TBP porphyrin/PFP porphyrin/Cu(1 0 0)
موضوعات مرتبط
مهندسی و علوم پایه شیمی شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
STM-induced light emission from the surface of H2TBP porphyrin/PFP porphyrin/Cu(1 0 0)
چکیده انگلیسی
Molecular fluorescence from the surface of H2TBP porphyrin (H2TBPP) monolayer on the top of PFP porphyrin (PFPP) multilayers on Cu(1 0 0) substrate is studied by an ultrahigh-vacuum scanning tunneling microscope. H2TBPP molecular luminescence spectra are well defined and in perfect matching with conventional photoluminescence spectra excited from the corresponding bulk molecule. The electronic states of H2TBPP monolayer are effectively decoupled from the metal surface by controlling the thickness of PFPP multilayers in a nanoscale regime. The excitation mechanism is probably attributed to the hot electron injection. These results provide a new way for the development of nanoscale molecular light source and spectroscopy.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Applied Surface Science - Volume 241, Issues 1–2, 28 February 2005, Pages 28-32
نویسندگان
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