DEPOSITION OF LARGE ORGANIC MOLECULES IN ULTRA-HIGH VACUUM: A COMPARISON BETWEEN THERMAL SUBLIMATION AND PULSE-INJECTION

Author:

ZAMBELLI T.1,BOUTAYEB Y.1,GAYRAL F.1,LAGOUTE J.1,GIRDHAR N. K.1,GOURDON A.1,GAUTHIER S.1,BLANCO M.-J.2,CHAMBRON J.-C.2,HEITZ V.2,SAUVAGE J.-P.2

Affiliation:

1. Groupe Nanosciences, CEMES-CNRS, 29 rue Jeanne Marvig, F-31055 Toulouse Cedex, France

2. Laboratoire de Chimie Organo-Minérale, UMR 7513 du CNRS, Université Louis Pasteur, Institut Le Bel, 4 rue Blaise-Pascal, F-67070 Strasbourg Cedex, France

Abstract

STM investigations on the adsorption of submonolayers of large organic molecules smaller than 6 nm were carried out on copper surfaces to compare two different deposition methods: the thermal sublimation and the pulse-injection. The blue lander, a member of the lander family, could be deposited intact with the thermal procedure, therefore it was used to test the performances of the pulse-injection. On the contrary, the bis-porphyrin, which was decomposed by the thermal procedure, was deposited intact with the pulse injection.

Publisher

World Scientific Pub Co Pte Lt

Subject

Electrical and Electronic Engineering,Computer Science Applications,Condensed Matter Physics,General Materials Science,Bioengineering,Biotechnology

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