Enhancement of the hole mobility and concentration in pentacene by oxygen plasma treatment

Chi Shin Lin, Yow-Jon Lin

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

X-ray photoelectron spectroscopy, atomic force microscopy and Hall-effect measurements were used to characterize the pentacene (PEN) films with and without oxygen plasma treatment. We found that the hole mobility (hole concentration) of the PEN film following oxygen plasma treatment could achieve as high as 12.3 ± 0.5 cm2 V- 1 s- 1 [(2.9 ± 0.3) × 1013 cm- 3]. This is because of the incorporation of oxygen in the PEN film and the passivation of the defects in the grain-boundary region. In addition, the use of oxygen plasma significantly improves conductivity while having no impact on surface roughness (or crystallite size).

Original languageEnglish
Pages (from-to)2820-2823
Number of pages4
JournalJournal of Non-Crystalline Solids
Volume356
Issue number50-51
DOIs
Publication statusPublished - 2010 Nov 1

Fingerprint

Hole concentration
Hole mobility
oxygen plasma
hole mobility
Oxygen
Plasmas
augmentation
passivity
Hall effect
surface roughness
Crystallite size
grain boundaries
Passivation
photoelectron spectroscopy
atomic force microscopy
Atomic force microscopy
conductivity
Grain boundaries
X ray photoelectron spectroscopy
Surface roughness

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Ceramics and Composites
  • Condensed Matter Physics
  • Materials Chemistry

Cite this

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title = "Enhancement of the hole mobility and concentration in pentacene by oxygen plasma treatment",
abstract = "X-ray photoelectron spectroscopy, atomic force microscopy and Hall-effect measurements were used to characterize the pentacene (PEN) films with and without oxygen plasma treatment. We found that the hole mobility (hole concentration) of the PEN film following oxygen plasma treatment could achieve as high as 12.3 ± 0.5 cm2 V- 1 s- 1 [(2.9 ± 0.3) × 1013 cm- 3]. This is because of the incorporation of oxygen in the PEN film and the passivation of the defects in the grain-boundary region. In addition, the use of oxygen plasma significantly improves conductivity while having no impact on surface roughness (or crystallite size).",
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Enhancement of the hole mobility and concentration in pentacene by oxygen plasma treatment. / Lin, Chi Shin; Lin, Yow-Jon.

In: Journal of Non-Crystalline Solids, Vol. 356, No. 50-51, 01.11.2010, p. 2820-2823.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Enhancement of the hole mobility and concentration in pentacene by oxygen plasma treatment

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AB - X-ray photoelectron spectroscopy, atomic force microscopy and Hall-effect measurements were used to characterize the pentacene (PEN) films with and without oxygen plasma treatment. We found that the hole mobility (hole concentration) of the PEN film following oxygen plasma treatment could achieve as high as 12.3 ± 0.5 cm2 V- 1 s- 1 [(2.9 ± 0.3) × 1013 cm- 3]. This is because of the incorporation of oxygen in the PEN film and the passivation of the defects in the grain-boundary region. In addition, the use of oxygen plasma significantly improves conductivity while having no impact on surface roughness (or crystallite size).

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