Substrate mediated interaction of terbium(III) double-deckers with the TiO2(110) surface

Giulia Serrano; Andrea Luigi Sorrentino; Lorenzo Poggini; Brunetto Cortigiani; Claudio Goletti; Roberta Sessoli; Matteo Mannini

doi:10.1039/D1CP00928A

Substrate mediated interaction of terbium(iii) double-deckers with the TiO₂(110) surface†

Giulia Serrano,

*^ab Andrea Luigi Sorrentino,

^ab Lorenzo Poggini,

*^ac Brunetto Cortigiani,

^a Claudio Goletti,

^d Roberta Sessoli

^a and Matteo Mannini

Author affiliations

* Corresponding authors

^a Department of Chemistry “U. Schiff” and INSTM Research Unit, University of Florence, Via della Lastruccia 3-13, 50019 Sesto Fiorentino (FI), Italy

^b Department of Industrial Engineering and INSTM Research Unit, University of Florence, Via Santa Marta 3, 50139 Florence (FI), Italy
E-mail: giulia.serrano@unifi.it

^c Institute for Chemistry of OrganoMetallic Compounds (ICCOM-CNR), Via Madonna del Piano, 50019 Sesto Fiorentino (FI), Italy
E-mail: lpoggini@iccom.cnr.it

^d Dipartimento di Fisica, Università degli Studi di Roma “Tor Vergata”, Via della Ricerca Scientifica 1, Rome, Italy

Abstract

A terbium(III)-bis(phthalocyaninato) neutral complex was deposited on the rutile TiO₂(110) surface, and their interaction was studied by Scanning Tunneling Microscopy (STM) and X-ray Photoelectron Spectroscopy (XPS). It was found that the TiO₂ rutile surface favours the adsorption of isolated molecules adopting a lying down configuration with the phthalocyanine planes tilted by about 30° when they lie in the first layer. The electronic and chemical properties of the molecules on the surface were studied by XPS as a function of the TiO₂(110) substrate preparation. This study evidences that strong molecule–substrate interactions are present and a charge transfer process occurs from the molecule to the surface.

This article is part of the themed collection: 2021 PCCP HOT Articles

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Article information

DOI: https://doi.org/10.1039/D1CP00928A
Article type: Paper
Submitted: 01 Mar 2021
Accepted: 01 May 2021
First published: 03 May 2021

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Phys. Chem. Chem. Phys., 2021,23, 12060-12067

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Substrate mediated interaction of terbium(III) double-deckers with the TiO₂(110) surface

G. Serrano, A. L. Sorrentino, L. Poggini, B. Cortigiani, C. Goletti, R. Sessoli and M. Mannini, Phys. Chem. Chem. Phys., 2021, 23, 12060 DOI: 10.1039/D1CP00928A

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