N-V related fluorescence of the monoenergetic high energy electron irradiated diamond nanoparticles

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68378271%3A_____%2F15%3A00454937" target="_blank" >RIV/68378271:_____/15:00454937 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/61389005:_____/15:00454937 RIV/68407700:21460/15:00237818 RIV/60461373:22330/15:43899659

Výsledek na webu

<a href="http://dx.doi.org/10.1002/pssa.201532180" target="_blank" >http://dx.doi.org/10.1002/pssa.201532180</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1002/pssa.201532180" target="_blank" >10.1002/pssa.201532180</a>

Jazyk výsledku

angličtina

Název v původním jazyce

N-V related fluorescence of the monoenergetic high energy electron irradiated diamond nanoparticles

Popis výsledku v původním jazyce

Fluorescent diamond nanoparticles (FND) have recently been introduced as promising luminescent probes for bioimaging to compete with more commonly used fluorophores and quantum dots. In this work we investi-gate the formation of NV color centers in diamond nanocrystallites using monoenergetic electrons. A large quantity (1.4 g) of FNDs has been irradiated in the cyclic relativistic electron accelerator (Microtron) with the surface charge up to 3Ccm2 using collimated accelerated electrons extracted withmonochromatic energies 625 MeV. The nitrogen-vacancy (NV) color centers have been activated by the high temperature vacuum annealing followed by the oxidation and sonification to remove sp2 carbon from the surface and to form stable colloid solutions with the concentration 1 mg/ml and the electro-kinetic (zeta) potential about -35 mV. The steady state fluorescence spectra show that the fluorescence yield increases linearly with the surface charge irradiation.

Název v anglickém jazyce

N-V related fluorescence of the monoenergetic high energy electron irradiated diamond nanoparticles

Popis výsledku anglicky

Fluorescent diamond nanoparticles (FND) have recently been introduced as promising luminescent probes for bioimaging to compete with more commonly used fluorophores and quantum dots. In this work we investi-gate the formation of NV color centers in diamond nanocrystallites using monoenergetic electrons. A large quantity (1.4 g) of FNDs has been irradiated in the cyclic relativistic electron accelerator (Microtron) with the surface charge up to 3Ccm2 using collimated accelerated electrons extracted withmonochromatic energies 625 MeV. The nitrogen-vacancy (NV) color centers have been activated by the high temperature vacuum annealing followed by the oxidation and sonification to remove sp2 carbon from the surface and to form stable colloid solutions with the concentration 1 mg/ml and the electro-kinetic (zeta) potential about -35 mV. The steady state fluorescence spectra show that the fluorescence yield increases linearly with the surface charge irradiation.

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

BM - Fyzika pevných látek a magnetismus

OECD FORD obor

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Projekt

Výsledek vznikl pri realizaci vícero projektů. Více informací v záložce Projekty.

Návaznosti

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Rok uplatnění

2015

Kód důvěrnosti údajů

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

Název periodika

Physica Status Solidi. A

ISSN

1862-6300

e-ISSN

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Svazek periodika

212

Číslo periodika v rámci svazku

11

Stát vydavatele periodika

DE - Spolková republika Německo

Počet stran výsledku

6

Strana od-do

2519-2524

Kód UT WoS článku

000366588100022

EID výsledku v databázi Scopus

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