Mechanically tuned thermopower of single-molecule junctions
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F22%3A00566502" target="_blank" >RIV/68378271:_____/22:00566502 - isvavai.cz</a>
Result on the web
<a href="https://hdl.handle.net/11104/0337819" target="_blank" >https://hdl.handle.net/11104/0337819</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/aelm.202200700" target="_blank" >10.1002/aelm.202200700</a>
Alternative languages
Result language
angličtina
Original language name
Mechanically tuned thermopower of single-molecule junctions
Original language description
In this paper, the tuning of the thermopower with single-molecule junctions of fullerene (C60), 4,4′-bipyridine (BPY), and p-phenylenediamine (PPD) using scanning tunneling microscopy (STM)-based break junction technique is demonstrated. Single-molecule junctions are prepared in a nanogap between a Au-STM tip and a Au(111) electrode. Upon applying a temperature difference across the junction, a thermoelectric voltage is generated across it. By mechanically controlling the tip–electrode separation distance, the thermoelectric voltage of the junction is tuned. The absolute value of the thermopower decreases with decreasing tip–electrode separation distance for BPY and PPD, while it increases for C60. Atomistic simulations of the junction illustrate how this arises from shifts in the conduction orbital energies induced by the mechanical compression of the junctions.
Czech name
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Czech description
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Classification
Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10302 - Condensed matter physics (including formerly solid state physics, supercond.)
Result continuities
Project
<a href="/en/project/EF16_019%2F0000760" target="_blank" >EF16_019/0000760: Solid State Physics for 21st century</a><br>
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace
Others
Publication year
2022
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Advanced Electronic Materials
ISSN
2199-160X
e-ISSN
2199-160X
Volume of the periodical
8
Issue of the periodical within the volume
12
Country of publishing house
DE - GERMANY
Number of pages
7
Pages from-to
2200700
UT code for WoS article
000868009500001
EID of the result in the Scopus database
2-s2.0-85139667662