Space Charge Controlled Currents in Insulators: Detection of Virtual Anode

Pope, Martin; Solowiejczyk, Yedidiah

doi:10.1080/15421407508083430

Cited by 24 publications

(4 citation statements)

References 27 publications

(9 reference statements)

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“…Thus, the TI excitons are most effectively quenched near the surface, and the concentration of T, excitons near the electrode steadily decreases (see e.g. [18]) and, consequently, fewer TI excitons reach the TTTmetal interface. Such electric field effect has been actually observed in Au-TTT-A1 systems.…”

Section: Photoconductivitymentioning

confidence: 98%

The Influence of the Hyperfine Range Magnetic Field on Charge Transfer States at the Metal–Organic Semiconductor Interface

Kaulach

Silinsh

1976

Physica Status Solidi (b)

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Hyperfine range (HFR) magnetic field ( H < 300 Oe) induced increase of photoconductivity and decrease of dark conductivity are observed in thin-layer sandwich type Autetrathiotetracene-A1 systems. The experimental results are interpreted in terms of HFR magnetic field influence on single-triplet transition rate of charge transfer (CT) states a t metal (Me)-organic semiconductor (0s) interface in the framework of Merrifield's et al.hyperfine interaction model. It is suggested that in the case of photoconductivity, triplet 3CT states are initially formed by molecular triplet exciton dissociation a t the Me-OS interface, whereas in the case of dark conductivity, singlet lCT states are initially formed in the process of non-equilibrium hole injection from the Me electrode. The HFR magnetic field reduces the lCT-3CT transition rate and is thus assumed to cause the observed increase of photo-and decrease of dark conductivity. The possible role of the inhomogeneous local magnetic field caused by the charge carriers trapped near the Me-OS interface on the rate of lCT"CT transition is also briefly discussed.

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Section: Photoconductivitymentioning

confidence: 98%

The Influence of the Hyperfine Range Magnetic Field on Charge Transfer States at the Metal–Organic Semiconductor Interface

Kaulach

Silinsh

1976

Physica Status Solidi (b)

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“…The importance of this problem for PEC was underlined only in [5], although the influence of charge carrier diffusion on space charge limited currents without illumination was discussed in many publications, e.g. [1,2,13,14].…”

Section: The Influence Of Charge Carrier Diffusion On Pecmentioning

confidence: 99%

The role of exciton and charge carrier diffusion in photoenhanced currents

Jarosz

Signerski

Godlewski

2001

IEEE Trans. Dielect. Electr. Insul.

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“…[1][2][3][4][5][6]). The description of these results widely improved in [3,4,6,7] allows us to interpret PEC resulting from the exciton-trapped charge carrier interaction in the case of neglecting photontrapped charge carrier interaction.…”

Section: Introductionmentioning

confidence: 99%

Photoenhanced Currents within the Range of Weak Light Absorption: Photon Detrapping of Charge Carriers in Anthracene Crystals

Godlewski

Jarosz

Signerski

2001

phys. stat. sol. (b)

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This work deals with photoenhanced currents in organic materials within the long-wavelength range of absorption outside the singlet-exciton absorption range. The influence of both photon and triplet exciton-trapped charge interactions on these currents is considered. The analysis has revealed that for low electric field and thick samples the spectrum of photoenhanced current reflects the triplet-exciton absorption spectrum, whereas for high electric field and thin samples the photocurrent spectrum does not correspond to this spectrum. The proposed model of photon detrapping of charge carriers from macrotraps with a certain thermalization length enables to explain the experimentally observed decrease of photoenhanced current with the decrease of photon energy.

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Space Charge Controlled Currents in Insulators: Detection of Virtual Anode

Cited by 24 publications

References 27 publications

The Influence of the Hyperfine Range Magnetic Field on Charge Transfer States at the Metal–Organic Semiconductor Interface

The Influence of the Hyperfine Range Magnetic Field on Charge Transfer States at the Metal–Organic Semiconductor Interface

The role of exciton and charge carrier diffusion in photoenhanced currents

Photoenhanced Currents within the Range of Weak Light Absorption: Photon Detrapping of Charge Carriers in Anthracene Crystals

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