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Patterned boron nanowires and field emission properties
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) The TEM image of nanoparticles. The digital camera images of nanoparticles solution with different concentrations: (b) 30.8 mg/ml, (c) 7.7 mg/ml, and (d) 1.54 mg/ml.

Image of FIG. 2.
FIG. 2.

The SEM images of assembled nanoparticles. [(a)–(c)] One droplet of the solution. [(d)–(f)] Two droplets of the solution. [(g)–(i)] Two droplets of the solution with rotation of the wafer. [(j)–(l)] Five droplets of the solution. The concentration of the used nanoparticles solutions is 1.54 mg/ml shown in Fig. 1(d).

Image of FIG. 3.
FIG. 3.

[(a)–(c)] The SEM images of patterned boron nanowires grown on the substrate shown in Figs. 3(j) and 3(k). [(d)–(f)] The product from the substrate shown in Figs. 2(d)–2(f). (g) The TEM image of a single boron nanowire, the inset is its HRTEM image, and FFT pattern. (h) The EELS core electron -shell spectra from the individual boron nanowire showing characteristic B -edges at 188 eV.

Image of FIG. 4.
FIG. 4.

Typical field emission characteristics of the patterned boron nanowires, where inset is the F-N plot, indicating field emission current originated from barrier-tunneling electrons extracted by the electric field.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Patterned boron nanowires and field emission properties