Dresden 2017 – wissenschaftliches Programm

Bereiche | Tage | Auswahl | Suche | Aktualisierungen | Downloads | Hilfe

O: Fachverband Oberflächenphysik

O 33: Nanostructures at Surfaces: Metals, Oxides and Semiconductors I

O 33.10: Vortrag

Dienstag, 21. März 2017, 12:45–13:00, REC/PHY C213

Semiconductor thin films with functionalized crystalline silicon nanoparticles — •Domenikos Chryssikos1, Francesco Casablanca1, Willi Aigner1, Martin Stutzmann1, Rui N. Pereira1,2, and Anna Cattani-Scholz11Walter Schottky Institut and Physik-Department, Technische Universität München, Am Coulombwall 4, 85748 Garching bei München, Germany — 2Department of Physics and Institute for Nanostructures, Nanomodelling and Nanofabrication, University of Aveiro, 3810-193 Aveiro, Portugal

Electronic devices incorporating solution-processable crystalline nanoparticles, in particular thin films of II-VI or IV-VI materials, have been the subject of many studies in recent years. However, up to now, only few works employ elemental semiconductors like silicon nanoparticles (Si-NPs), which are advantageous regarding their abundance and non-toxicity. In this work, we exploit the assembling of thin films of Si-NPs covalently bound to silicon oxide surfaces via alkyldiphosphonic acid molecules. The aim of this investigation is to create a stable immobilization and homogenous distribution of Si-NPs on solid substrates that can also allow for controlling the positioning of the semiconductor nanostructures. The structural and morphological properties of the Si-NP layers have been studied by X-ray photoelectron spectroscopy, contact angle measurements, atomic force microscopy and Raman spectroscopy. Moreover, these novel nanostructures have also been characterized with respect to their electronic properties using electrical conductivity measurements.

100% | Mobil-Ansicht | English Version | Kontakt/Impressum/Datenschutz
DPG-Physik > DPG-Verhandlungen > 2017 > Dresden