New azidation methods for the functionalization of silicon nitride and application in copper-catalyzed azide-alkyne cycloaddition (CuAAC)
- In this study, a new direct functionalization method of silicon nitride (Si3N4) using azidation and click chemistry is presented. First, amino groups (NHx) were created on a Si3N4 substrate by fluoride etching. These NHx-terminated Si3N4 surfaces were analyzed by chemical derivatization X-ray photoelectron spectroscopy (CD-XPS) with 4-trifluoromethylbenzaldehyde (TFBA) and a derivatization yield of 20% was concluded. In the second step freshly prepared NHx surfaces were transformed into azides which were used immediately in a click reaction with halogenated alkynes. The presented combination of amination, azidation and click reaction is a promising alternative for common silane-based Si3N4 functionalization methods.
Autor*innen: | Nele Lange, Paul M. Dietrich, Andreas Lippitz, N. Kulak, Wolfgang UngerORCiD |
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Dokumenttyp: | Zeitschriftenartikel |
Veröffentlichungsform: | Verlagsliteratur |
Sprache: | Englisch |
Titel des übergeordneten Werkes (Englisch): | ECASIA special issue paper |
Jahr der Erstveröffentlichung: | 2016 |
Verlag: | John Wiley & Sons, Ltd |
Jahrgang/Band: | 48 |
Erste Seite: | 621 |
Letzte Seite: | 625 |
DDC-Klassifikation: | Naturwissenschaften und Mathematik / Chemie / Analytische Chemie |
Freie Schlagwörter: | Azidation; Chemical derivatization; Click chemistry; Silicon nitride; XPS |
Veranstaltung: | 16th European Conference on Applications of Surface and Interface Analysis |
Veranstaltungsort: | Granada, Spain |
Beginndatum der Veranstaltung: | 28.09.2015 |
Enddatum der Veranstaltung: | 01.10.2015 |
DOI: | 10.1002/sia.5950 |
URL: | http://onlinelibrary.wiley.com/doi/10.1002/sia.5950/full |
Verfügbarkeit des Dokuments: | Datei im Netzwerk der BAM verfügbar ("Closed Access") |
Datum der Freischaltung: | 13.07.2016 |
Referierte Publikation: | Ja |
Datum der Eintragung als referierte Publikation: | 05.08.2016 |