Systematic Optimization of the Synthesis of Confined Carbyne

Autor(en)

Clara Freytag, Christin Schuster, Emil Parth, Dido Denier van der Gon, Takeshi Saito, Kazuhiro Yanagi, Paola Ayala, Thomas Pichler

Abstrakt

Confined carbyne, an sp1-hybridized linear carbon chain inside a carbon nanotube, is a novel material with remarkable properties and potential applications. Among its currently successful synthesis methods, high temperature high vacuum annealing is prevalent. Further optimization could be achieved by tuning the synthesis pathway. Here, a systematic analysis of key synthesis parameters including precursor filling, annealing step sequences, and temperature conditions during high temperature vacuum processing is performed. A novel yield determination model that overcomes previous limitations related to the irregular resonance Raman behavior of carbyne is applied to evaluate bulk yield and realized growth potential. With this refined model, it is possible to make a quantitative assessment of bulk yield optimization potential in multi-step annealing processes. These results provide crucial insights into the fundamental formation mechanisms of confined carbyne, advancing our understanding of this promising hybrid nanomaterial system. It is therefore possible to establish improved protocols for maximizing confined carbyne yields through precise control of synthesis conditions.

Organisation(en)

Elektronische Materialeigenschaften

Externe Organisation(en)

National Institute of Advanced Industrial Science and Technology (AIST), Tokyo Metropolitan University

Journal

Small Methods

Anzahl der Seiten

6

ISSN

2366-9608

DOI

https://doi.org/10.1002/smtd.202500075

Publikationsdatum

04-2025

Peer-reviewed

Ja

ÖFOS 2012

210004 Nanomaterialien

Schlagwörter

ASJC Scopus Sachgebiete

Allgemeine Chemie, Allgemeine Materialwissenschaften

Link zum Portal

https://ucrisportal.univie.ac.at/de/publications/ccd9cb07-8823-4ce3-8c7e-b8744205a7d8