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Title: | Luminescence properties of engineered nitrogen vacancy centers in a close surface proximity | Authors: | Petrakova, Vladimira NESLADEK, Milos Taylor, Andrew Fendrych, Frantisek Cigler, Petr Ledvina, Miroslav Vacik, Jiri Stursa, Jan Kucka, Jan |
Issue Date: | 2011 | Publisher: | WILEY-BLACKWELL | Source: | PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 208(9). p. 2051-2056 | Abstract: | Fluorescent cellular biomarkers play an essential role in biology and medicine for in vitro and in vivo imaging in living cells. Recently, we have demonstrated that photoluminescence (PL) can be driven chemically by changing the occupation of NV(-) and NV(0) states by H- or O-termination. In the presented work we study, how the luminescence of NV centers at controlled depth from the surface changes upon different surface treatment. We compare NV luminescence of hydrogen (H) and oxygen (O) terminated surfaces in single crystal diamond (SCD) containing shallow-implanted NV centers (3-10 nm) with similarly treated nanodiamond particles (ND) of various size distributions. The H-termination leads to reduction of NV(-) related luminescence in both, ND and SCD. The effect is much stronger in ND in comparison with SCD. We mathematically model both situations and discuss parameters influencing the effect, including implantation energy and different contents of nitrogen in the diamond crystal lattice. (C) 2011 WILEY-Val Verlag GmbH & Co. KGaA, Weinheim | Notes: | [Petrakova, V] Czech Tech Univ, Fac Biomed Engn, Kladno 27201, Czech Republic. [Nesladek, M] Univ Hasselt, Inst Mat Res, IMEC, IMOMEC Div, B-3590 Diepenbeek, Belgium. [Taylor, A; Fendrych, F] Acad Sci Czech Republic, Inst Phys, Vvi, Prague 8, Czech Republic. [Cigler, P; Ledvina, M] Acad Sci Czech Republic, Inst Organ Chem & Biochem, Vvi, CR-16610 Prague 6, Czech Republic. [Vacik, J; Stursa, J; Kucka, J] Acad Sci Czech Republic, Inst Nucl Phys, Vvi, CZ-25068 Rez, Czech Republic. vladimira.petrakova@fbmi.cvut.cz; milos.nesladek@uhasselt.be | Keywords: | diamond; luminescence properties; nitrogen-vacancy; surface proximity;diamond; luminescence properties; nitrogen-vacancy; surface proximity | Document URI: | http://hdl.handle.net/1942/12323 | ISSN: | 1862-6300 | e-ISSN: | 1862-6319 | DOI: | 10.1002/pssa.201100035 | ISI #: | 000295433600009 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2012 |
Appears in Collections: | Research publications |
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