Synthesis of single layer graphene on Cu(111) by C-60 supersonic molecular beam epitaxy

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F16%3A10333768" target="_blank" >RIV/00216208:11320/16:10333768 - isvavai.cz</a>
Result on the web
<a href="http://dx.doi.org/10.1039/c6ra02274j" target="_blank" >http://dx.doi.org/10.1039/c6ra02274j</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1039/c6ra02274j" target="_blank" >10.1039/c6ra02274j</a>

Result language
angličtina
Original language name
Synthesis of single layer graphene on Cu(111) by C-60 supersonic molecular beam epitaxy
Original language description
High kinetic energy impacts between inorganic surfaces and molecular beams seeded by organics represent a fundamental tool in materials science, particularly when they activate chemical-physical processes leading to nanocrystals' growth. Here we demonstrate single-layer graphene synthesis on copper by C-60 supersonic molecular beam (SuMBE) epitaxy. A growth temperature down to 645 degrees C, lower than that typical of chemical vapour deposition (1000 degrees C), is achieved by thermal decomposition of C-60 with the possibility of further reduction. Using a variety of electron spectroscopy and microscopy techniques, and first-principles simulations, we describe the chemical-physical mechanisms activated by SuMBE and assisted by thermal processes, resulting in graphene growth. In particular, we find a role of high kinetic energy deposition in enhancing the organic/inorganic interface interaction and controlling the fullerene cage openings. These results, while discussed in the specific case of graphene on copper, are potentially extendible to different metallic or semiconductor substrates and where lower processing temperature is desirable.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
BE - Theoretical physics
OECD FORD branch
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Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2016
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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