期刊
JOURNAL OF APPLIED PHYSICS
卷 92, 期 4, 页码 2035-2040出版社
AMER INST PHYSICS
DOI: 10.1063/1.1494850
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We have produced and characterized poly(3-hexylthiophene) (PHT) thin films by electrochemical deposition onto tin-oxide (TO) or gold covered glass substrates. PHT film thickness and roughness depend on deposition charge density and are also dependent on substrate material. From electrical measurements we determine an electrical conductivity of 9x10(-5) S cm(-1) when Ni and Au electrodes are used. An energy barrier of 0.8 eV for positive charge carrier injection into PHT at Al/PHT and TO/PHT interfaces was determined. We estimate the mobility of positive charge carriers in electrochemically deposited PHT as being 1x10(-4) cm(2) V-1 s(-1). An energy diagram of PHT is proposed. (C) 2002 American Institute of Physics.
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