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Electrospray ion beam deposition : soft-landing and fragmentation of functional molecules at solid surfaces
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Rauschenbach, Stephan, Vogelgesang, Ralf, Malinowski, N., Gerlach, Jürgen W., Benyoucef, Mohamed, Costantini, Giovanni, Deng, Zhitao, Thontasen, Nicha and Kern, Klaus (2009) Electrospray ion beam deposition : soft-landing and fragmentation of functional molecules at solid surfaces. ACS Nano, Vol.3 (No.10). pp. 2901-2910. doi:10.1021/nn900022p ISSN 1936-0851.
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Official URL: http://dx.doi.org/10.1021/nn900022p
Abstract
The ion beam deposition (IBD) of rhodamine dye molecules on solid surfaces in high vacuum is explored in order to characterize the possibility of fabricating molecular coatings or nanostructures from nonvolatile molecules. Molecular ion beams with a well-defined composition are deposited on silicon oxide surfaces with a controlled kinetic energy. Photoluminescence spectroscopy and time-of-flight secondary ion mass spectrometry (TOF-SIMS) are employed in order to characterize the sample with respect to coverage, homogeneity, and the fraction of intact landed ions (soft-landing ratio). We find that homogeneous rhodamine films of defined composition can be produced at energies of 2−100 eV. The coverage is found to be proportional to the ion dose. Soft-landing is observed for energies up to 35 eV.
Item Type: | Journal Article | ||||
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Subjects: | Q Science > QD Chemistry T Technology > TA Engineering (General). Civil engineering (General) |
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
Library of Congress Subject Headings (LCSH): | Ion bombardment, Electrospray ionization mass spectrometry, Photoluminescence, Coatings, Secondary ion mass spectrometry, Time-of-flight mass spectrometry, Vapor-plating | ||||
Journal or Publication Title: | ACS Nano | ||||
Publisher: | American Chemical Society | ||||
ISSN: | 1936-0851 | ||||
Official Date: | 2009 | ||||
Dates: |
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Volume: | Vol.3 | ||||
Number: | No.10 | ||||
Page Range: | pp. 2901-2910 | ||||
DOI: | 10.1021/nn900022p | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published |
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