Title
Kinetics of energy selective Cs encapsulation in single-walled carbon nanotubes for damage-free and position-selective doping Kinetics of energy selective Cs encapsulation in single-walled carbon nanotubes for damage-free and position-selective doping
Author
Faculty/Department
Faculty of Sciences. Chemistry
Publication type
article
Publication
Washington, D.C. ,
Subject
Physics
Chemistry
Engineering sciences. Technology
Source (journal)
The journal of physical chemistry : C : nanomaterials and interfaces. - Washington, D.C., 2007, currens
Volume/pages
119(2015) :21 , p. 11903-11908
ISSN
1932-7447
ISI
000355495600072
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
A method has been developed for damage-free cesium (Cs) encapsulation within single-walled carbon nanotubes (SWNTs) with fine position selectivity. Precise energy tuning of Cs-ion irradiation revealed that there is a clear energy window (2060 eV) for the efficient encapsulation of Cs through the hexagonal network of SWNT sidewalls without causing significant damage. This minimum energy threshold of Cs-ion encapsulation (∼20 eV) matches well with the value obtained by ab initio simulation (∼22 eV). Furthermore, position-selective Cs encapsulation was carried out, resulting in the successful formation of pn-junction SWNT thin films with excellent environmental stability.
E-info
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Full text (open access)
https://repository.uantwerpen.be/docman/irua/b586b0/125928_2016_05_16.pdf
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