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Transparent graphitic tiles synthesized from carbon nanowalls by shock compression and rapid quenching
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10.1063/1.4789609
/content/aip/journal/jap/113/4/10.1063/1.4789609
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/4/10.1063/1.4789609

Figures

Image of FIG. 1.
FIG. 1.

Optical micrographs of “tilelike” samples recovered from SCARQ experiments for CNWs. (a) and (b) show opaque and transparent tiles with green and pink in color, obtained from the shock pressures of 55 and 65 GPa, respectively. (c) shows much thin portion of the colors compared with (b) in the same recovered sample.

Image of FIG. 2.
FIG. 2.

Raman spectra for pristine CNWs, and opaque and transparent tiles recovered from SCARQ experiments for CNWs, taken with λ exc = 532 nm excitation. Note that the opaque and transparent tiles were obtained from the shock pressures of 55 and 65 GPa, respectively.

Image of FIG. 3.
FIG. 3.

UV Raman spectrum for the transparent tile recovered from the shock pressure of 65 GPa in Fig. 2 , taken with λ exc = 266 nm excitation.

Image of FIG. 4.
FIG. 4.

Reflection EELS spectra of pristine CNWs, and opaque and transparent tiles recovered from SCARQ experiments for CNWs. Note that the opaque and transparent tiles were obtained from the shock pressures of 55and 65 GPa, respectively. For comparison, the EELS spectrum of commercially available nanodiamond powders (97%, Carbodeon Ltd Oy) is also shown.

Tables

Generic image for table
Table I.

Peak positions, ω, full widths of half maximum, FWHMs, and intensity ratios, I(D)/I(G), of D and G bands and PL for transparent tiles recovered from the shock pressure of 65 GPa, taken with λ exc = 532 and 266 nm excitations. For comparison, this table also includes the analysis of Raman spectra for HOPG, pristine CNWs, and opaque tiles recovered from shock pressure of 55 GPa, taken with λ exc = 532 nm excitation.

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/content/aip/journal/jap/113/4/10.1063/1.4789609
2013-01-30
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Transparent graphitic tiles synthesized from carbon nanowalls by shock compression and rapid quenching
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/4/10.1063/1.4789609
10.1063/1.4789609
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