2017
2D distribution mapping of quantum dots injected onto filtration paper by laser-induced breakdown spectroscopy
ŠKARKOVÁ, Pavlína; Karel NOVOTNÝ; Přemysl LUBAL; Alžběta JEBAVÁ; Pavel POŘÍZKA et al.Základní údaje
Originální název
2D distribution mapping of quantum dots injected onto filtration paper by laser-induced breakdown spectroscopy
Autoři
ŠKARKOVÁ, Pavlína; Karel NOVOTNÝ; Přemysl LUBAL; Alžběta JEBAVÁ; Pavel POŘÍZKA; Jakub KLUS; Zdeněk FARKA; Aleš HRDLIČKA a Jozef KAISER
Vydání
SPECTROCHIMICA ACTA PART B-ATOMIC SPECTROSCOPY, Oxford, PERGAMON-ELSEVIER SCIENCE LTD, 2017, 0584-8547
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
10406 Analytical chemistry
Stát vydavatele
Velká Británie a Severní Irsko
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 2.854
Označené pro přenos do RIV
Ano
Kód RIV
RIV/00216224:14740/17:00096356
Organizační jednotka
Středoevropský technologický institut
UT WoS
EID Scopus
Klíčová slova anglicky
Quantum dots; Laser-induced breakdown spectroscopy; Chemical mapping; Filtration paper; Fluorescence microscopy
Příznaky
Mezinárodní význam, Recenzováno
Změněno: 19. 2. 2018 09:48, Mgr. Pavla Foltynová, Ph.D.
Anotace
V originále
In this study, the feasibility of Quantum dots (QDs) 2D distribution mapping on the substrate by Laser-Induced Breakdown Spectroscopy (LIBS) was examined. The major objective of this study was to describe phenomena occurring after applying aqueous solutions of QDs onto filtration paper. Especially, the influence of pH and presence of Cu2 + cations in QDs solutions on LIBS signal was investigated. Cadmium Telluride QDs (CdTe QDs) were prepared by formation of nanosized semiconductor particles in so called “one-pot” synthesis. CdTe QDs were capped by glutathione or by 3-mercaptopropionic acid. The technique described in this work allows detection of QDs injected on the selected substrate – filtration paper. Results obtained from LIBS experiments were collated with a comparative method, fluorescence microscopy, which showed variations in the distribution of QDs on the substrate surface and possibilities for quenching. Due to the immediate signal response, relatively simple instrumentation and automatization possibility, LIBS offers promising and fast alternative to other techniques, as it is able to detect also nanoparticles with no visible luminescence.
Návaznosti
| LQ1601, projekt VaV |
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| MUNI/A/0886/2016, interní kód MU |
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