Characterization of activated carbon fibers by positron annihilation lifetime spectroscopy (pals)

D. Lozano-Castello, D. Cazorla-Amoros, A. Linares-Solano, P.J. Hall, J.J. Fernandez

Research output: Chapter in Book/Report/Conference proceedingChapter

10 Citations (Scopus)

Abstract

The use of Positron Annihilation Lifetime Spectroscopy (PALS) technique to characterize porous carbon materials has been analyzed. Positron annihilation lifetimes have been measured in two series of petroleum pitch-based activated carbon fibers (ACF) prepared by CO2 and steam activation. Two lifetime components were found: a short-lived component, σ1 from 375 to 393 ps and a long-lived component, σ2 from 1247 to 1898 ps. The results have been compared to those obtained by Small Angle X-Ray scattering (SAXS) and N2 and CO2 adsorption at 77K and 273K respectively. The correlation found demonstrates the usefulness of PALS to get complementary information on the porous structure of microporous carbons.
Original languageEnglish
Title of host publicationCharacterisation of Porous Solids V, Proceedings of the 5th International Symposium on the Characterisation of Porous Solids (COPS-V)
Place of PublicationHeidelburg, Germany
Pages523-532
Number of pages9
Volume128
Publication statusPublished - 2000

Publication series

NameStudies in Surface Science and Catalysis
PublisherElsevier

Fingerprint

Positron annihilation
Activated carbon
Spectroscopy
Carbon
Steam
Petroleum
X ray scattering
Chemical activation
Adsorption
carbon fiber

Keywords

  • Characterisation of Porous Solids V
  • (COPS-V)
  • activated carbon fibers
  • carbon fiber
  • spectroscopy
  • positron annihilation

Cite this

Lozano-Castello, D., Cazorla-Amoros, D., Linares-Solano, A., Hall, P. J., & Fernandez, J. J. (2000). Characterization of activated carbon fibers by positron annihilation lifetime spectroscopy (pals). In Characterisation of Porous Solids V, Proceedings of the 5th International Symposium on the Characterisation of Porous Solids (COPS-V) (Vol. 128, pp. 523-532). (Studies in Surface Science and Catalysis). Heidelburg, Germany.
Lozano-Castello, D. ; Cazorla-Amoros, D. ; Linares-Solano, A. ; Hall, P.J. ; Fernandez, J.J. / Characterization of activated carbon fibers by positron annihilation lifetime spectroscopy (pals). Characterisation of Porous Solids V, Proceedings of the 5th International Symposium on the Characterisation of Porous Solids (COPS-V). Vol. 128 Heidelburg, Germany, 2000. pp. 523-532 (Studies in Surface Science and Catalysis).
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Lozano-Castello, D, Cazorla-Amoros, D, Linares-Solano, A, Hall, PJ & Fernandez, JJ 2000, Characterization of activated carbon fibers by positron annihilation lifetime spectroscopy (pals). in Characterisation of Porous Solids V, Proceedings of the 5th International Symposium on the Characterisation of Porous Solids (COPS-V). vol. 128, Studies in Surface Science and Catalysis, Heidelburg, Germany, pp. 523-532.

Characterization of activated carbon fibers by positron annihilation lifetime spectroscopy (pals). / Lozano-Castello, D.; Cazorla-Amoros, D.; Linares-Solano, A.; Hall, P.J.; Fernandez, J.J.

Characterisation of Porous Solids V, Proceedings of the 5th International Symposium on the Characterisation of Porous Solids (COPS-V). Vol. 128 Heidelburg, Germany, 2000. p. 523-532 (Studies in Surface Science and Catalysis).

Research output: Chapter in Book/Report/Conference proceedingChapter

TY - CHAP

T1 - Characterization of activated carbon fibers by positron annihilation lifetime spectroscopy (pals)

AU - Lozano-Castello, D.

AU - Cazorla-Amoros, D.

AU - Linares-Solano, A.

AU - Hall, P.J.

AU - Fernandez, J.J.

PY - 2000

Y1 - 2000

N2 - The use of Positron Annihilation Lifetime Spectroscopy (PALS) technique to characterize porous carbon materials has been analyzed. Positron annihilation lifetimes have been measured in two series of petroleum pitch-based activated carbon fibers (ACF) prepared by CO2 and steam activation. Two lifetime components were found: a short-lived component, σ1 from 375 to 393 ps and a long-lived component, σ2 from 1247 to 1898 ps. The results have been compared to those obtained by Small Angle X-Ray scattering (SAXS) and N2 and CO2 adsorption at 77K and 273K respectively. The correlation found demonstrates the usefulness of PALS to get complementary information on the porous structure of microporous carbons.

AB - The use of Positron Annihilation Lifetime Spectroscopy (PALS) technique to characterize porous carbon materials has been analyzed. Positron annihilation lifetimes have been measured in two series of petroleum pitch-based activated carbon fibers (ACF) prepared by CO2 and steam activation. Two lifetime components were found: a short-lived component, σ1 from 375 to 393 ps and a long-lived component, σ2 from 1247 to 1898 ps. The results have been compared to those obtained by Small Angle X-Ray scattering (SAXS) and N2 and CO2 adsorption at 77K and 273K respectively. The correlation found demonstrates the usefulness of PALS to get complementary information on the porous structure of microporous carbons.

KW - Characterisation of Porous Solids V

KW - (COPS-V)

KW - activated carbon fibers

KW - carbon fiber

KW - spectroscopy

KW - positron annihilation

UR - http://dx.doi.org/10.1016/S0167-2991(00)80058-0 |

M3 - Chapter

SN - 9780444502599

VL - 128

T3 - Studies in Surface Science and Catalysis

SP - 523

EP - 532

BT - Characterisation of Porous Solids V, Proceedings of the 5th International Symposium on the Characterisation of Porous Solids (COPS-V)

CY - Heidelburg, Germany

ER -

Lozano-Castello D, Cazorla-Amoros D, Linares-Solano A, Hall PJ, Fernandez JJ. Characterization of activated carbon fibers by positron annihilation lifetime spectroscopy (pals). In Characterisation of Porous Solids V, Proceedings of the 5th International Symposium on the Characterisation of Porous Solids (COPS-V). Vol. 128. Heidelburg, Germany. 2000. p. 523-532. (Studies in Surface Science and Catalysis).