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

Jhe You Lee; Yow-Jon Lin

doi:10.1016/j.synthmet.2015.12.018

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

Jhe You Lee, Yow-Jon Lin

Graduate Institute of Photonics

Research output: Contribution to journal › Article

15 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 language	English
Pages (from-to)	180-185
Number of pages	6
Journal	Synthetic Metals
Volume	212
DOIs	https://doi.org/10.1016/j.synthmet.2015.12.018
Publication status	Published - 2016 Feb 1

All Science Journal Classification (ASJC) codes

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

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Lee, J. Y., & Lin, Y-J. (2016). Effect of incorporation of black phosphorus into PEDOT:PSS on conductivity and electron-phonon coupling. Synthetic Metals, 212, 180-185. https://doi.org/10.1016/j.synthmet.2015.12.018

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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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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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