Plasmon-enhanced oxygen reduction reaction using silver nanoparticle-decorated N-doped carbon nanotubes
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F25%3A43931831" target="_blank" >RIV/60461373:22310/25:43931831 - isvavai.cz</a>
Alternative codes found
RIV/44555601:13440/25:43899337
Result on the web
<a href="https://pubs.rsc.org/en/content/articlelanding/2025/ma/d5ma00407a" target="_blank" >https://pubs.rsc.org/en/content/articlelanding/2025/ma/d5ma00407a</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1039/d5ma00407a" target="_blank" >10.1039/d5ma00407a</a>
Alternative languages
Result language
angličtina
Original language name
Plasmon-enhanced oxygen reduction reaction using silver nanoparticle-decorated N-doped carbon nanotubes
Original language description
The oxygen reduction reaction (ORR) generally limits the efficacy of hydrogen fuel cells, due to its sluggish kinetics. Here, we present an effective plasmon-enhanced catalyst for the ORR, based on silver nanoparticle-decorated carbonized polypyrrole nanotubes (Ag-cPNTs). Silver nanoparticles (AgNPs) were incorporated onto the surface of carbonized polypyrrole nanotubes (cPNTs) using a straightforward and reproducible method without the need for wet synthesis. The cPNTs serve as redox-active supports with a high surface area, while AgNPs efficiently absorb and convert light energy into plasmonic excitation, facilitating oxygen activation. The successful introduction of AgNPs and their uniform morphology and size distribution were observed by scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The analysis of the chemical composition, performed by X-ray diffraction (XRD) and X-ray photoelectron spectroscopy (XPS), confirmed the formation of AgNPs. Having been thoroughly characterized, the performance of the Ag-cPNTs was tested in the ORR under both illumination and dark conditions. LED illumination (455 nm central wavelength) of the prepared plasmon-active catalyst results in an increase of current density and LSV curve shift of potential to more positive values. Overall, a high surface area, porous interconnected structure, and photo-enhanced catalytic activity demonstrated high potential of the prepared composite as a novel catalyst for fuel cell applications. © 2025 RSC.
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
20500 - Materials engineering
Result continuities
Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)
Others
Publication year
2025
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Materials Advances
ISSN
2633-5409
e-ISSN
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Volume of the periodical
6
Issue of the periodical within the volume
14
Country of publishing house
GB - UNITED KINGDOM
Number of pages
12
Pages from-to
"4795/1"-12
UT code for WoS article
001507634900001
EID of the result in the Scopus database
2-s2.0-105008578178