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1.
Introduction to Electronic Properties and Dynamics of Organic Complexes as Self‐Assembled Monolayers
Maddalena Pedio, 2017, samostojni znanstveni sestavek ali poglavje v monografski publikaciji

Opis: Self‐assembled monolayers (SAMs) of organic‐conjugated transition metal complexes on surfaces is a focus of both device engineering and basic science, since it is a key factor in nearly all important aspects of device performances, including operation voltages, degradation, and efficiency. The huge amount of literature results related to the first monolayer, and reorganization and self‐assembling processes are due to the general accepted result that structural and chemical properties of the first monolayer are the key parameters for controlled thin film growth. Optical and magneto‐electronic properties are intimately connected, and the accurate determination of electronic levels, excitation, and relaxation dynamics is mandatory for the optimization of electronic, photovoltaic, and opto‐electronic devices. Quite a number of electronic states is generated by the interaction of light with complex organic molecules. Time‐resolved spectroscopies are a new investigation tool that gives the possibility of correctly addressing their origin and life time. Examples of prototypical systems are presented and discussed. We review on complementary techniques, trying to single out how different approaches are fundamental to fully characterize these complex systems.
Najdeno v: ključnih besedah
Povzetek najdenega: ...interaction of light with complex organic molecules. Time‐resolved spectroscopies are a new investigation tool that gives the...
Ključne besede: self‐assembled monolayer (SAM), surface structures molecular layers, nanotechnology, electronic properties, spectroscopies, time resolved
Objavljeno: 12.06.2017; Ogledov: 2920; Prenosov: 128
.pdf Polno besedilo (5,78 MB)

2.
Hot-carrier and optical-phonon ultrafast dynamics in the topological insulator Bi2Te3 upon iron deposition on its surface
G De Ninno, K.C. Prince, M Stupar, B Ressel, B Arnaud, V Juvè, G Vaudel, A Ciavardini, T Sobol, K Balin, M Weis, P Ruello, J Szade, 2021, izvirni znanstveni članek

Opis: This paper presents a complete study of electronic structures and photoexcited carrier dynamics in topological insulators capped with iron and iron oxide. We combine static and time-resolved angle-resolved photoemission spectroscopies (ARPES, TR-ARPES) with time-resolved optical methods (transient optical reflectivity and transmission). Both single crystal and thin films of Bi2Te3 are studied. We show that monolayers of iron and iron oxide significantly affect the electronic band structure at the interface by shifting the Fermi level into the conduction band, which we explain by a band bending effect, and is confirmed by in situ XPS measurements
Najdeno v: ključnih besedah
Povzetek najdenega: ...We combine static and time-resolved angle-resolved photoemission spectroscopies (ARPES, TR-ARPES) with time-resolved optical methods (transient...
Ključne besede: time resolved spectroscopies, topological insulators, interfaces
Objavljeno: 13.12.2021; Ogledov: 127; Prenosov: 0
.pdf Polno besedilo (2,90 MB)

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