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Formation of self-organized platinum nanoparticles and their microphotoluminescence enhancement in the visible light region
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10.1063/1.2785942
/content/aip/journal/jap/102/7/10.1063/1.2785942
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/7/10.1063/1.2785942

Figures

Image of FIG. 1.
FIG. 1.

SEM picture of unannealed Pt film.

Image of FIG. 2.
FIG. 2.

SEM pictures of Pt nanoparticles and nanoisland films by different annealing methods. [(a)–(c)] Pt thin film on the Si substrate annealed by the RTA process at 100, 1000, and , respectively. [(d) and (e)] Pt thin film on Si substrate annealed by the RTA process at 1000 and , respectively. (f) Pt thin film on Si substrate annealed by the vacuum process at . (g) Pt thin film on quartz substrate annealed by the vacuum process at . (h) Pt thin film on quartz substrate annealed by the RTA process at .

Image of FIG. 3.
FIG. 3.

(a) Average particle sizes at different annealing temperatures; (b) island density at different annealing temperatures.

Image of FIG. 4.
FIG. 4.

The micro-PL spectra of samples on Si substrates with (a) the Pt thin film annealed by the RTA process at , (b) the Pt thin film annealed by the RTA process at , (c) the Pt thin film annealed by the vacuum process at , (d) the SOG film, and (e) the Pt thin film without annealing.

Image of FIG. 5.
FIG. 5.

The micro-PL spectra of the samples on quartz substrates with (a) the Pt thin film annealed by the RTA process at , (b) the Pt thin film annealed by the vacuum process at , and (c) the Pt thin film without annealing.

Image of FIG. 6.
FIG. 6.

The micro-PL spectra for the samples with initial thickness annealed at different temperatures by the RTA process. (a) The annealing temperature is . (b) The annealing temperature is . (c) The annealing temperature is .

Image of FIG. 7.
FIG. 7.

The XPS spectra for the sample with the Pt thin film annealed by the RTA process at . (a) The XPS spectrum in the range of . (b) The XPS spectrum for Si . (c) The XPS spectrum for Pt .

Image of FIG. 8.
FIG. 8.

The XRD spectra of the Pt nanoisland films annealed by different processes. Only the peak corresponding to Pt (111) is found.

Image of FIG. 9.
FIG. 9.

The extinction spectra of the samples on quartz substrates with (a) the Pt thin film annealed by the RTA process at and (b) the Pt thin film annealed by the vacuum process at .

Tables

Generic image for table
Table I.

Island formation conditions using the RTA and the vacuum processes.

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/content/aip/journal/jap/102/7/10.1063/1.2785942
2007-10-03
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Formation of self-organized platinum nanoparticles and their microphotoluminescence enhancement in the visible light region
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/7/10.1063/1.2785942
10.1063/1.2785942
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