Effect of geometry on double injection in semiconductors

Lee, D.H.; Baron, R.

doi:10.1016/0038-1101(71)90072-4

Cited by 7 publications

(2 citation statements)

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“…(7), we have the insulator regime (the second right-hand term is dominant), and the diffusion-dominated regime (the third right-hand term is dominant at high injection levels). [8][9][10] We assume here the semiconductor regime, Eq. (7) then becomes…”

Section: Theorymentioning

confidence: 99%

“…The analytical expressions [6][7][8] in single-injection model in which one type of carrier (either electrons or holes) is injected into a semiconductor, have been derived. In addition an analytical expression [8][9][10] in the presence of recombination based on Shockley-ReadHall statistics have been derived. However, a bimolecular recombination process, known as Langevin recombination, in the case of low mobility materials such as organic semiconductors 11 12 has not been analytically examined * Author to whom correspondence should be addressed.…”

Section: Introductionmentioning

confidence: 99%

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Effects of Bimolecular Recombination on Impedance Spectra in Organic Semiconductors: Analytical Approach

Takata

Takagi

Nagase

et al. 2016

j nanosci nanotechnol

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An analytical expression for impedance spectra in the case of double injection (both electrons and holes are injected into an organic semiconductor thin film) has been derived from the basic transport equations (the current density equation, the continuity equation and the Possion's equation). Capacitance-frequency characteristics calculated from the analytical expression have been examined at different recombination constants and different values of mobility balance defined by a ratio of electron mobility to hole mobility. Negative capacitance appears when the recombination constant is lower than the Langevin recombination constant and when the value of the mobility balance approaches unity. These results are consistent with the numerical results obtained by a device simulator (Atlas, Silvaco).

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Section: Theorymentioning

confidence: 99%