Fabrication of SERS Substrates by 3D-Positioned Spark Discharges: Advanced Performance Refinement Using Raman Mapping of Adenine and Its Derivatives

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26210%2F26%3A0200449" target="_blank" >RIV/00216305:26210/26:0200449 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/00216224:14310/25:00141121

Výsledek na webu

<a href="https://www.researchgate.net/publication/390052329_Fabrication_of_SERS_Substrates_by_3D-Positioned_Spark_Discharges_Advanced_Performance_Refinement_Using_Raman_Mapping_of_Adenine_and_Its_Derivatives" target="_blank" >https://www.researchgate.net/publication/390052329_Fabrication_of_SERS_Substrates_by_3D-Positioned_Spark_Discharges_Advanced_Performance_Refinement_Using_Raman_Mapping_of_Adenine_and_Its_Derivatives</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/jrs.6796" target="_blank" >10.1002/jrs.6796</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Fabrication of SERS Substrates by 3D-Positioned Spark Discharges: Advanced Performance Refinement Using Raman Mapping of Adenine and Its Derivatives

Popis výsledku v původním jazyce

A novel, cost-effective and environment-friendly method for fabrication of highly efficient surface-enhanced Raman spectroscopy (SERS) substrates is introduced. It is based on high-voltage spark discharges between a metal pin and a conductive substrate distributed across the desired area with the aid of a 3D positioning device. The developed substrates were characterized using dark-field microscopy, SEM, UV-VIS reflectance, and cyclic voltammetry; the pin movement pattern and velocity during sparking were optimized with respect to SERS efficiency using high-throughput evaluation of dense Raman maps. The optimized substrates achieved the limit of detection of 6.85x10(-12) M (better than 0.01 ppb) for adenine, chosen as benchmark molecule because of its affinity to silver and gold without exhibiting resonant properties in the visible range. To demonstrate versatility of the spark discharge-prepared SERS probes, spectra of selected bio-relevant derivatives of adenine have been successfully acquired at low concentration.

Název v anglickém jazyce

Fabrication of SERS Substrates by 3D-Positioned Spark Discharges: Advanced Performance Refinement Using Raman Mapping of Adenine and Its Derivatives

Popis výsledku anglicky

A novel, cost-effective and environment-friendly method for fabrication of highly efficient surface-enhanced Raman spectroscopy (SERS) substrates is introduced. It is based on high-voltage spark discharges between a metal pin and a conductive substrate distributed across the desired area with the aid of a 3D positioning device. The developed substrates were characterized using dark-field microscopy, SEM, UV-VIS reflectance, and cyclic voltammetry; the pin movement pattern and velocity during sparking were optimized with respect to SERS efficiency using high-throughput evaluation of dense Raman maps. The optimized substrates achieved the limit of detection of 6.85x10(-12) M (better than 0.01 ppb) for adenine, chosen as benchmark molecule because of its affinity to silver and gold without exhibiting resonant properties in the visible range. To demonstrate versatility of the spark discharge-prepared SERS probes, spectra of selected bio-relevant derivatives of adenine have been successfully acquired at low concentration.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

21100 - Other engineering and technologies

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2025

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Journal of Raman Spectroscopy

ISSN

0377-0486

e-ISSN

1097-4555

Svazek periodika

56

Číslo periodika v rámci svazku

9

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

10

Strana od-do

850-859

Kód UT WoS článku

001448436300001

EID výsledku v databázi Scopus

2-s2.0-105000538860