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The Kinetics of Photoelectrical Processes Near Interface of C60 and Liquid Crystals
O.P. Boiko, Ya.I. Vertsimakha
Institute of Physics, Kyiv, Ukraine
Abstract
We study the interface between a vacuum deposited fullerene (C60) layers and a layer of nematic liquid crystal (LC) such as pentylcyanobiphenyl (5CB) and the mixture BL055. In order to understand processes of barriers formation at C60/LC interface, we study the kinetics of the dark current, of a short-circuit photocurrent and photovoltage caused by short (~60 sec) pulses of light (hv=1,88 eV). The initial height of the barrier at C60/LC interface and its increase caused by the ion diffusion to electrodes under the action of an internal electric field or light are determined. We observed of a fast component of short-circuit photocurrent and photovoltage. This component caused filling degree of acceptor-like deep electron level, which is associated with an interaction of C60 molecules with oxygen. The filling degree depends on the molecular interaction at the interface. Their effect on the processes of ion polarization and depolarization is discussed.
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Download article (PDF)Structure, Synthesis and Magnetic Susceptability of Ammonium Hexaiodorhenate(IV)
A. Kochel
Faculty of Chemistry, University of Wrocław, Poland
Effective Nuclear Charge of Ion
A. Stokłosa, J. Zajęcki, S.S. Kurek
Cracow University of Technology, Institute of Chemical Engineering and Physical Chemistry, Poland
Analysis of Ionisation Energy of Ions, Ionic Radii in The Crystal Lattice and The Energy of Electrons in Ionic Cores of Metal Atoms
A. Stokłosa, J. Zajęcki, S.S. Kurek
Cracow University of Technology, Institute of Chemical Engineering and Physical Chemistry, Poland
Luminescence Properties of Nanophosphors: Metal Ion-doped Sol-gel Silica Glasses
M. Morita1, D. Rau1, T. Sakurai1, M. Baba2, M. Iwamura1
1 Department of Applied Chemistry, Seikei University, Japan
2 ISSP, The University of Tokyo, Japan
Pamoate Intercalated Zn-Al Layered Double Hydroxide for the Formation of Layered Organic-Inorganic Intercalate
M.Z. Hussein, Z.B. Jubri, Z. Zainal, A.H. Yahya
Multifunctional Nanomaterials for Industrial Application (MULIA) Research Group, Department of Chemistry, Universiti Putra Malaysia, Selangor, Malaysia
