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A cubic boron nitride film-based fluorescent sensor for detecting
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10.1063/1.3122929
/content/aip/journal/apl/94/18/10.1063/1.3122929
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/18/10.1063/1.3122929
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Figures

Image of Scheme 1.
Scheme 1.

Illustration of the process to immobilize dansyl chloride on cBN surfaces.

Image of FIG. 1.
FIG. 1.

(a) XPS survey spectra of hydroxylated and ATPES-functionalized cBN surfaces. (b) and (c) XPS spectra of ATPES-functionalized cBN surfaces. The XPS measurements were performed on a VG ESCA Laboratory 220I-XL photoelectron spectrometer system using a monochromatized source (1486.6 eV).

Image of FIG. 2.
FIG. 2.

(a) The fluorescence intensity quenching ratio of dansyl-chloride-functionalized cBN film sensors upon addition of different metal cations in ethanol solutions at a constant concentration of . (b) Dependence of fluorescence intensity on concentration.

Image of FIG. 3.
FIG. 3.

Fluorescence images of the dansyl-chloride-functionalized cBN film sensor (a) in ethanol, (b) in the presence of in ethanol for 15 min, and (c) in the presence of HCl in ethanol for 15 min after the sensing test to (dimension approximately ). (d) The fluorescence spectra of dansyl-chloride-functionalized cBN film sensors before and after regeneration.

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/content/aip/journal/apl/94/18/10.1063/1.3122929
2009-05-05
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: A cubic boron nitride film-based fluorescent sensor for detecting Hg2+
http://aip.metastore.ingenta.com/content/aip/journal/apl/94/18/10.1063/1.3122929
10.1063/1.3122929
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