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journal article·2019-02Open access

Locally Controlled Growth of Individual Lambda‐Shaped Carbon Nanofibers

Christian Lutz, Uwe Bog, Tobias Loritz, Julia Syurik, Sharali Malik, Chethala Neelakandhan Shyam Kumar, Christian Kübel, Michael Bruns, Christian Greiner, Michael Hirtz, Hendrik Hölscher

Small· Volume 15· Issue 7
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Source abstract

Abstract

Abstract The locally defined growth of carbon nanofibers with lambda shape in an open flame process is demonstrated. Via the growth time, the geometry of the structures can be tailored to a Λ‐ or λ‐type shape. Microchannel cantilever spotting and dip‐pen nanolithography are utilized for the deposition of catalytic salt NiCl2 · 6H2O for locally controlled growth of lambda‐shaped carbon nanofibers. Rigorous downscaling reveals a critical catalytic salt volume of 0.033 µm³, resulting in exactly one lambda‐shaped carbon nanofiber at a highly predefined position. An empirical model explains the observed growth process.
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Research context

NanomaterialsCatalysis & surfacesMaterials processing

OpenAlex topics: Carbon Nanotubes in Composites · Graphene research and applications · nanoparticles nucleation surface interactions

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Microstructure Technology (IMT) and Karlsruhe Nano Micro Facility (KNMF) Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany

Institute of Nanotechnology (INT) and Karlsruhe Nano Micro Facility (KNMF) Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholtz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany

Department of Materials and Earth Sciences Technische Universität Darmstadt 64287 Darmstadt Germany

Institute for Applied Materials (IAM) and Karlsruhe Nano Micro Facility (KNMF) Karlsruhe Institute of Technology (KIT) Hermann‐von‐Helmholz‐Platz 1 76344 Eggenstein‐Leopoldshafen Germany

KIT IAM‐CMS MikroTribologie Centrum µTC Strasse am Forum 5 76131 Karlsruhe Germany

Funding

Helmholtz-Gemeinschaft · Bundesministerium für Wirtschaft und Technologie

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