Temperature evaluation of field emitting points for polymer-carbon nanotube composite using time-of-flight mass spectrometry

Popov, E. O.; Pozdnyakov, A. O.; Pozdnyakov, O. F.; Latypov, Z. Z.

doi:doi:10.1116/1.3299063

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Journal of Vacuum Science & Technology B / Volume 28 / Issue 2 / PAPERS FROM THE 22nd INTERNATIONAL VACUUM NANOELECTRONICS CONFERENCE / Fundamental

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J. Vac. Sci. Technol. B 28, C2A28 (2010); http://dx.doi.org/10.1116/1.3299063 (5 pages)

Temperature evaluation of field emitting points for polymer-carbon nanotube composite using time-of-flight mass spectrometry

E. O. Popov¹, A. O. Pozdnyakov², O. F. Pozdnyakov¹, and Z. Z. Latypov³

¹A.F. Ioffe Physico-Technical Institute, Russian Academy of Sciences, 26 Polytechnitscheskaya St., St. Petersburg 194021, Russia
²Institute of Problems of Mechanical Engineering, Russian Academy of Sciences, 61 Bolshoi pr., V/O, St. Petersburg 199178, Russia and A.F. Ioffe Physico-Technical Institute, Russian Academy of Sciences, 26 Polytechnitscheskaya St., St. Petersburg 194021, Russia
³Institute for Analytical Instrumentation, Russian Academy of Sciences, 26 Rizskii pr., St. Petersburg 198103, Russia

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(Published online 31 March 2010)

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The present work concerns the evaluation of emitting multiwall carbon nanotube (MWCNT) temperature, here referred to as “emission point” temperature. The latter is related to the onset of thermal degradation of polymer molecules neighboring to the MWCNT. The investigation method combines the registration of both current voltage characteristics and thermal degradation volatile products for “polymer-MWCNT” composite emitter during the emitting process. Our experimental setup involves a time-of-flight mass spectrometer and field emission unit.

ACKNOWLEDGMENTS

This research was supported by the Physical Science Department Program of the Russian Academy of Sciences “Physics of New Materials and Structures” No. B40 and the RFBR under Grant No. 09-08-01076-a. Special thanks is given for partial finance support from Russia-Ukraine RFBR under Grant No. 09-08-90410-Ukr-f-a. The presentation at the IVNC’2009 conference was supported by a travel grant of Russian Foundation for Basic Research (No. 09-02-08367-z).

Article Outline

INTRODUCTION
EXPERIMENT
EXPERIMENT RESULTS AND DISCUSSION
CONCLUSIONS

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KEYWORDS and PACS

Keywords

carbon nanotubes, field emission, nanocomposites, polymers, time of flight mass spectra, polystyrene (PS), styrene (S), polymethylmetacrylate (PMMA), methylmetacrylate (MMA), O-xylol, toluene, multiwall carbon nanotubes (MCWNTs)

PACS

79.70.+q

Field emission, ionization, evaporation, and desorption
81.05.Qk

Reinforced polymers and polymer-based composites
81.05.uj

Diamond/nanocarbon composites
81.07.De

Nanotubes

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History

Received 17 September 2009
Accepted 4 January 2010
Published online 31 March 2010

Digital Object Identifier

http://dx.doi.org/10.1116/1.3299063

PUBLICATION DATA

ISSN

1071-1023 (print)

1520-8567 (online)

Publisher

American Vacuum Society

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