Cluster-induced desorption/ionization mass spectrometry of Ir(ppy)3-Reference-Cited by-同舟云学术

Cluster-induced desorption/ionization mass spectrometry of Ir(ppy)3

Published:2023-09-01 Issue:5 Volume:41 Page:
ISSN:2166-2746
Container-title:Journal of Vacuum Science & Technology B
language:en
Short-container-title:

Author:

Keller Philip¹^ORCID,Aoyagi Satoka²^ORCID,Dürr Michael¹^ORCID

Affiliation:

1. Institut für Angewandte Physik and Zentrum für Materialforschung, Justus-Liebig-Universität Giessen 1 , Heinrich-Buff-Ring 16, 35392 Giessen, Germany

2. Faculty of Science and Technology, Seikei University 2 , 3-3-1, Kichijyoji-kitamachi, Musashino-shi, Tokyo 180-8633, Japan

Abstract

fac-Tris(2-phenylpyridine) iridium [Ir(ppy)3] has been investigated by means of soft desorption/ionization induced by neutral SO2 clusters in combination with mass spectrometry. Desorption of intact Ir(ppy)3 was observed. Further analysis of the isotopic pattern revealed two forms of ionization, either by uptake of a proton or by electron abstraction. The relative contribution of the two processes depends on measurement time and H2O partial pressure, as well as preparation scheme and surface morphology of the samples.

Funder

Bundesministerium für Bildung und Forschung

Publisher

American Vacuum Society

Subject

Materials Chemistry,Electrical and Electronic Engineering,Surfaces, Coatings and Films,Process Chemistry and Technology,Instrumentation,Electronic, Optical and Magnetic Materials

Link

https://pubs.aip.org/avs/jvb/article-pdf/doi/10.1116/6.0002556/18258028/054002_1_6.0002556.pdf

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