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Electronic structure of self-assembled organic/inorganic semiconductor interfaces: lead phthalocyanine on InSb and InAs(100)-4X2/c(8 X2)
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2001 (English)In: Journal of Electron Spectroscopy and Related Phenomena, ISSN 0368-2048, Vol. 114, 375-381 p.Article in journal (Refereed) Published
Abstract [en]

The interfacial properties of ultra thin films of lead-phthalocyanine deposited in situ onto InSb and InAs(100)-4X2/c(8X2) clean surfaces have been studied by synchrotron radiation core level and valence band photoelectron spectroscopy. The interaction between the overlayers and the substrates was determined upon analyzing the changes in the photoemission spectra between room and higher annealing temperatures, leading to ordered monolayer films. While weaker than on other substrates, a reactivity is nevertheless present: the organic macrocycle preserves its integrity up to 320 degreesC but the Pb central atom first leaves the molecules most probably to be incorporated in the substrate surface, before being desorbed at higher temperatures.

Place, publisher, year, edition, pages
2001. Vol. 114, 375-381 p.
Keyword [en]
phthalocyanines, photoelectron spectroscopy, indium arsenide, indium antimonide, copper phthalocyanine, thin-films, surfaces, photoemission, reconstruction, orientation, si(111)-7x7, si(001)-2x1, diffraction, overlayers
URN: urn:nbn:se:kth:diva-20496ISI: 000167832700056OAI: diva2:339191
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Göthelid, Mats
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