Conductive printable electrodes tuned by boron-doped nanodiamond foil additives for nitroexplosive detection - Publikacja - MOST Wiedzy

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Conductive printable electrodes tuned by boron-doped nanodiamond foil additives for nitroexplosive detection

Abstrakt

An efficient additive manufacturing-based composite material fabrication for electrochemical applications is reported. The composite is composed of commercially available graphene-doped polylactide acid (G-PLA) 3D printouts and surface- functionalized with nanocrystalline boron-doped diamond foil (NDF) additives. The NDFs were synthesized on a tantalum substrate and transferred to the 3D-printout surface at 200 °C. No other electrode activation treatment was necessary. Different configurations of low- and heavy-boron doping NDFs were evaluated. The electrode kinetics was analyzed using electro- chemical procedures: cyclic voltammetry and electrochemical impedance spectroscopy. The quasi-reversible electrochemical process was reported in each studied case. The studies allowed confirmation of the CV peak-to-peak separation of 63 mV and remarkably high heterogeneous electron transfer rate constant reaching 6.1 × 10 −2 cm s −1 for 10 k ppm [B]/[C] thin NDF fitted topside at the G-PLA electrode. Differential pulse voltammetry was used for effective 2,4,6-trinitrotoluene (TNT) detection at the studied electrodes with a 87 ppb limit of detection, and wide linearity range between peak current density and the analyte concentration (0.064 to 64 ppm of TNT). The reported electrode kinetic differences originate primarily from the boron-dopant concentration in the diamond and the various contents of the non-diamond carbon phase.

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Wersja publikacji
Accepted albo Published Version
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1007/s00604-022-05371-w
Licencja
Creative Commons: CC-BY otwiera się w nowej karcie

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach
Opublikowano w:
MICROCHIMICA ACTA nr 189,
ISSN: 0026-3672
Język:
angielski
Rok wydania:
2022
Opis bibliograficzny:
Dettlaff A., Rycewicz M., Ficek M., Wieloszyńska A., Szala M., Ryl J., Bogdanowicz R.: Conductive printable electrodes tuned by boron-doped nanodiamond foil additives for nitroexplosive detection// MICROCHIMICA ACTA -Vol. 189,iss. 8 (2022), s.158358-
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1007/s00604-022-05371-w
Źródła finansowania:
Weryfikacja:
Politechnika Gdańska

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