Photoconduction properties of some monomeric phthalocyanines and dibromoanthrone

We estimated the photoconduction characteristics of some cells made in our laboratory from monomeric metal/salt phthalocyanines (Pc's) and dibromoanthrone (DBA). Measurements were made at atmospheric pressure and room temperature for the following samples: LiPc, PbPc, and AlClPc compactions; DB...

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Bibliographic Details
Published in:Materials science in semiconductor processing 2012-02, Vol.15 (1), p.61-72
Main Authors: Miles, Janet R., Willis, Martin R., Jones, Richard P.O.
Format: Article
Language:English
Subjects:
Applied sciences
Atmospheric pressure
Barometric pressure
Chopped-light
Compound structure devices
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Dibromoanthrone
Electronics
Exact sciences and technology
Fullerenes and related materials
Materials science
Optical constants: refractive index, complex dielectric constant, absorption, reflection and transmission coefficients, emissivity
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Optical properties of bulk materials and thin films
Photoconduction
Photocurrent
Photoelectric effect
Phthalocyanine
Physics
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
Semiconductors
Steady-state
Surface chemistry
Visible and ultraviolet spectra
Wavelengths
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Summary:We estimated the photoconduction characteristics of some cells made in our laboratory from monomeric metal/salt phthalocyanines (Pc's) and dibromoanthrone (DBA). Measurements were made at atmospheric pressure and room temperature for the following samples: LiPc, PbPc, and AlClPc compactions; DBA surface and sandwich cells; and FePc, PbPc, and AlClPc sandwich cells. Measurements were also made for the AlClPc sandwich cell under vacuum. Complementary steady-state and chopped-light techniques enabled estimation of the nature (whether Ohmic or first-order), size, speed, and lifetimes of photoresponses. An absorption spectrum and action spectrum (wavelength dependence of the steady-state photocurrent) were measured for the AlClPc sandwich cell. These preliminary data provide examples of photoconduction properties that one could expect if one chose to use any of these compounds.
ISSN:1369-8001
1873-4081
DOI:10.1016/j.mssp.2011.08.006