Semiconductor devices using the plasma-polymerized pyrrole

Young Park Soo, Poong Lee Ki, Dong Hoon Choi, Nakjoong Kim, Kyu Song Suk

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Organic semiconducting thin film of 10 -6 S/cm conductivity was prepared by the plasma polymerization of pyrrole followed by the thermal treatment in nitrogen. Obtained film (TPP-Py) was uniform, pin-hole free, and optically clear. We investigated the electrical and photoelectrical properties of the semiconductor devices consisting of the TPP-Py sandwiched between the two planar electrodes, such as the Au, Al, ITO, and n-Si. It was found that the TPP-Py formed ohmic contact with either Au or ITO electrode and showed a weak photoconducting behavior. On the other hand, the Schottky contact and heterojunction of TPP-Py with Al and n-Si respectively showed the rectification and photovoltaic properties. The performances of these cells were characterized in detail through the measurement of dark- and photoconductivity, and also of the capacitance-voltage (CV) characteristics.

Original languageEnglish
Pages (from-to)321-329
Number of pages9
JournalMolecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals
Volume247
Publication statusPublished - 1994 Dec 1
Externally publishedYes

Fingerprint

Pyrroles
pyrroles
Semiconductor devices
ITO (semiconductors)
semiconductor devices
electric contacts
Semiconducting films
Plasmas
Plasma polymerization
Electrodes
electrodes
capacitance-voltage characteristics
Ohmic contacts
Photoconductivity
rectification
photoconductivity
Heterojunctions
heterojunctions
Capacitance
Nitrogen

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

Semiconductor devices using the plasma-polymerized pyrrole. / Soo, Young Park; Ki, Poong Lee; Choi, Dong Hoon; Kim, Nakjoong; Suk, Kyu Song.

In: Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals, Vol. 247, 01.12.1994, p. 321-329.

Research output: Contribution to journalArticle

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