Toward Graphene-Enhanced Spectroelectrochemical Sensors
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388955%3A_____%2F22%3A00558258" target="_blank" >RIV/61388955:_____/22:00558258 - isvavai.cz</a>
Result on the web
<a href="http://hdl.handle.net/11104/0331986" target="_blank" >http://hdl.handle.net/11104/0331986</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1002/admi.202200478" target="_blank" >10.1002/admi.202200478</a>
Alternative languages
Result language
angličtina
Original language name
Toward Graphene-Enhanced Spectroelectrochemical Sensors
Original language description
Spectroelectrochemical sensors (SPECSs) sensitive to the least amount of sample are crucial for widespread applications, including early-stage detection of fatal diseases and other biomedical applications. However, despite the major disadvantage of biomolecule instability on noble metal nanoparticle-assisted surface-enhanced SPECSs, designing a suitable alternative remains a great challenge. The authors report a proof-of-concept graphene-enhanced spectroelectrochemical sensors (GE-SPECSs) employing graphene-enhanced Raman spectroscopy (GERS). Pristine (p-) and hydrogenated (h-) single-layer graphene (SLG) are utilized to study the oxidized and reduced states of a probe molecule, methylene blue (MB). The hole-doped h-SLG possesses efficient GERS signals compared with p-SLG, resulting in a limit of detection (LOD) < 10(-7) m. By taking advantage of the tunable work function of graphene, the authors demonstrate that the GERS signal from the probe molecule can be varied and different oxidation states of the molecule can be studied by applying suitable external potentials. The LOD obtained in an aqueous system (approximate to 10(-7) m) is comparable with standard surface-enhanced SPECSs. The authors' design thus creates a novel pathway for developing highly efficient, biofriendly, and cost-effective SPECSs.
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
10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)
Result continuities
Project
<a href="/en/project/LTAUSA19001" target="_blank" >LTAUSA19001: Multimodal sensors based on 2-D materials</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 Materials Interfaces
ISSN
2196-7350
e-ISSN
2196-7350
Volume of the periodical
9
Issue of the periodical within the volume
19
Country of publishing house
DE - GERMANY
Number of pages
11
Pages from-to
2200478
UT code for WoS article
000806713300001
EID of the result in the Scopus database
2-s2.0-85131304167