Effect of incorporation of black phosphorus into PEDOT:PSS on conductivity and electron-phonon coupling

Jhe You Lee, Yow-Jon Lin

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The effect of incorporation of few-layer black phosphorus (BP) into poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) on conductivity is investigated. BP is a two-dimensional material with high carrier mobility. It is shown that the carrier mobility (μ) increases significantly while the carrier density does not change substantially at 300 K. μ in PEDOT:PSS samples with or without BP addition exhibits a strong temperature dependence, which demonstrates the dominance of tunneling (hopping) at low (high) temperatures. The high conductivity of PEDOT:PSS samples with the addition of BP is attributed to the arrangement of the high hole-mobility BP sheets that induces the modification of the electron-phonon coupling.

Original languageEnglish
Pages (from-to)180-185
Number of pages6
JournalSynthetic Metals
Volume212
DOIs
Publication statusPublished - 2016 Feb 1

Fingerprint

Phosphorus
phosphorus
conductivity
Electrons
Carrier mobility
carrier mobility
electrons
Hole mobility
hole mobility
Carrier concentration
poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate)
Temperature
temperature dependence

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

Cite this

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abstract = "The effect of incorporation of few-layer black phosphorus (BP) into poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) on conductivity is investigated. BP is a two-dimensional material with high carrier mobility. It is shown that the carrier mobility (μ) increases significantly while the carrier density does not change substantially at 300 K. μ in PEDOT:PSS samples with or without BP addition exhibits a strong temperature dependence, which demonstrates the dominance of tunneling (hopping) at low (high) temperatures. The high conductivity of PEDOT:PSS samples with the addition of BP is attributed to the arrangement of the high hole-mobility BP sheets that induces the modification of the electron-phonon coupling.",
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Effect of incorporation of black phosphorus into PEDOT:PSS on conductivity and electron-phonon coupling. / Lee, Jhe You; Lin, Yow-Jon.

In: Synthetic Metals, Vol. 212, 01.02.2016, p. 180-185.

Research output: Contribution to journalArticle

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AB - The effect of incorporation of few-layer black phosphorus (BP) into poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) on conductivity is investigated. BP is a two-dimensional material with high carrier mobility. It is shown that the carrier mobility (μ) increases significantly while the carrier density does not change substantially at 300 K. μ in PEDOT:PSS samples with or without BP addition exhibits a strong temperature dependence, which demonstrates the dominance of tunneling (hopping) at low (high) temperatures. The high conductivity of PEDOT:PSS samples with the addition of BP is attributed to the arrangement of the high hole-mobility BP sheets that induces the modification of the electron-phonon coupling.

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