Journal ArticleDOI
Studies of Organic Semiconductors for 40 Years—II Polycyclic Aromatics as Organic Semiconductors
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In Japan, the initiation of the studies of organic semiconductors was the work on carbons materials such as graphite and carbon black as discussed by the authors, and the work was carried out in the early 1970s.Abstract:
In Japan, the initiation of the studies of organic semiconductors was the work on carbons materials such as graphite and carbon black.read more
Citations
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Photoconductivity of iodine-doped single crystals of phthalocyanine
TL;DR: In this article, single crystals of metal-free phthalocyanine (H2Pc) and of copper PHTHC were grown in the presence of iodine vapour.
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Photoconductivity in crystalline phthalocyanines
TL;DR: In this article, the wavelength, temperature, time and intensity dependence of photocurrent of metal-free phthalocyanine (H2Pc) and copper phalocyanines (CuPc), single crystals were investigated.
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Application of electroreflectance analysis for organic semiconductor thin films
TL;DR: In this paper, the effect of perturbation on the material under study is separated from reflection or absorption while scanning through a given wavelength range by use of lock-in phase sensitive detection method.
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Single crystal growth of organic photoconductors: phthalocyanine
TL;DR: In this article, an effective method of growing single crystals of organic photoconductors such as phthalocyanine in the presence of doping impurity such as iodine by vacuum sublimation is discussed.
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Charge-transfer Complex Formed with Bowl-shaped Corannulene as Electron Donor and Planar 7,7,8,8-Tetracyanoquinodimethane as Electron Acceptor
TL;DR: Vacuum cosublimation gave the first charge transfer solid of π-bowl corannulene as an electron donor with πplanar 7,7, 8,8,8-tetracyanoquinodimethane (TCNQ) acceptor as mentioned in this paper.
References
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Journal ArticleDOI
Electrical Conductivity of the Perylene–Bromine Complex
TL;DR: In this article, it was shown that polycyclic aromatic compounds and halogens have fairly good electrical conductivity (∼ 1−10−3 ohm−1 cm.−1).
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On the Electrical Conductivity of Violanthrone, Iso‐Violanthrone, and Pyranthrone
Hideo Akamatu,Hiroo Inokuchi +1 more
TL;DR: In this paper, the electrical resistivity of violanthrone, iso-violanthrone and pyranthrone was measured and a linear relationship was observed between the logarithm of the resistivity and the reciprocal of the temperature.
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The Electrical Conductivity of the Condensed Polynuclear Aromatic Compounds
TL;DR: The electrical conductivity of condensed polynuclear aromatic compounds has been investigated in this paper, where the resistivity of these compounds can be expressed as ρ=ρ0 exp (Δe/2kT).
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Photoconductivity of the Condensed Polynuclear Aromatic Compounds
TL;DR: In this article, the spectral response of the photoelectric current and optical absorption in the solid state of the organic semi-conductors were measured and the energy gap between the full band and the empty band was estimated.
Journal ArticleDOI
Photoconductivity of Violanthrone
Hideo Akamatu,Hiroo Inokuchi +1 more
TL;DR: In this article, the energy gap between the full ground band and the empty excited band was estimated as 0.84 ev, 0.93 ev, and 1.14 ev, respectively.