Cross section of quadrupolar traps for charge carriers in molecular crystals

R. W. Munn

doi:10.1016/S0301-0104(84)85176-9

Cross section of quadrupolar traps for charge carriers in molecular crystals

R. W. Munn^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Classical ion-molecule collision theory is used to estimate the cross section o of a point quadrupolar trap for charge carriers. It is found that σ is zero in some directions and otherwise varies as n^-4/3, where v is the carrier speed. The average cros section can exceed 10^-18 m² and differs slightly for electrons and holes. The quadrupole moment change for tetracene in anthracene is calculated; it yields a cross section comparable with that measured for holes, which greatly exceeds that for electrons. The calculated quadrupolar cross section in such systems may be an upper limit reduced by specific host-guest interactions and small carrier mean free paths.

Original language	English
Pages (from-to)	113-116
Number of pages	4
Journal	Chemical Physics
Volume	85
Issue number	1
DOIs	https://doi.org/10.1016/S0301-0104(84)85176-9
Publication status	Published - 15 Mar 1984

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AB - Classical ion-molecule collision theory is used to estimate the cross section o of a point quadrupolar trap for charge carriers. It is found that σ is zero in some directions and otherwise varies as n-4/3, where v is the carrier speed. The average cros section can exceed 10-18 m2 and differs slightly for electrons and holes. The quadrupole moment change for tetracene in anthracene is calculated; it yields a cross section comparable with that measured for holes, which greatly exceeds that for electrons. The calculated quadrupolar cross section in such systems may be an upper limit reduced by specific host-guest interactions and small carrier mean free paths.

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Cross section of quadrupolar traps for charge carriers in molecular crystals

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