Unified description of charge-carrier mobilities in disordered semiconducting polymers

W.F. Pasveer, J. Cottaar, C. Tanase, R. Coehoorn, P.A. Bobbert, P.W.M. Blom, D.M. Leeuw, de, M.A.J. Michels

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

623 Citaties (Scopus)

Uittreksel

From a numerical solution of the master equation for hopping transport in a disordered energy landscape with a Gaussian density of states, we determine the dependence of the charge-carrier mobility on temperature, carrier density, and electric field. Experimental current-voltage characteristics in devices based on semiconducting polymers are excellently reproduced with this unified description of the mobility. At room temperature it is mainly the dependence on carrier density that plays an important role, whereas at low temperatures and high fields the electric field dependence becomes important. Omission in the past of the carrier-density dependence has led to an underestimation of the hopping distance and the width of the density of states in these polymers
TaalEngels
Artikelnummer206601
Pagina's206601-1/4
TijdschriftPhysical Review Letters
Volume94
Nummer van het tijdschrift20
DOI's
StatusGepubliceerd - 2005

Vingerafdruk

carrier mobility
charge carriers
polymers
electric fields
electric potential
room temperature
temperature
energy

Citeer dit

Pasveer, W.F. ; Cottaar, J. ; Tanase, C. ; Coehoorn, R. ; Bobbert, P.A. ; Blom, P.W.M. ; Leeuw, de, D.M. ; Michels, M.A.J./ Unified description of charge-carrier mobilities in disordered semiconducting polymers. In: Physical Review Letters. 2005 ; Vol. 94, Nr. 20. blz. 206601-1/4
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abstract = "From a numerical solution of the master equation for hopping transport in a disordered energy landscape with a Gaussian density of states, we determine the dependence of the charge-carrier mobility on temperature, carrier density, and electric field. Experimental current-voltage characteristics in devices based on semiconducting polymers are excellently reproduced with this unified description of the mobility. At room temperature it is mainly the dependence on carrier density that plays an important role, whereas at low temperatures and high fields the electric field dependence becomes important. Omission in the past of the carrier-density dependence has led to an underestimation of the hopping distance and the width of the density of states in these polymers",
author = "W.F. Pasveer and J. Cottaar and C. Tanase and R. Coehoorn and P.A. Bobbert and P.W.M. Blom and {Leeuw, de}, D.M. and M.A.J. Michels",
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Unified description of charge-carrier mobilities in disordered semiconducting polymers. / Pasveer, W.F.; Cottaar, J.; Tanase, C.; Coehoorn, R.; Bobbert, P.A.; Blom, P.W.M.; Leeuw, de, D.M.; Michels, M.A.J.

In: Physical Review Letters, Vol. 94, Nr. 20, 206601, 2005, blz. 206601-1/4.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

TY - JOUR

T1 - Unified description of charge-carrier mobilities in disordered semiconducting polymers

AU - Pasveer,W.F.

AU - Cottaar,J.

AU - Tanase,C.

AU - Coehoorn,R.

AU - Bobbert,P.A.

AU - Blom,P.W.M.

AU - Leeuw, de,D.M.

AU - Michels,M.A.J.

PY - 2005

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N2 - From a numerical solution of the master equation for hopping transport in a disordered energy landscape with a Gaussian density of states, we determine the dependence of the charge-carrier mobility on temperature, carrier density, and electric field. Experimental current-voltage characteristics in devices based on semiconducting polymers are excellently reproduced with this unified description of the mobility. At room temperature it is mainly the dependence on carrier density that plays an important role, whereas at low temperatures and high fields the electric field dependence becomes important. Omission in the past of the carrier-density dependence has led to an underestimation of the hopping distance and the width of the density of states in these polymers

AB - From a numerical solution of the master equation for hopping transport in a disordered energy landscape with a Gaussian density of states, we determine the dependence of the charge-carrier mobility on temperature, carrier density, and electric field. Experimental current-voltage characteristics in devices based on semiconducting polymers are excellently reproduced with this unified description of the mobility. At room temperature it is mainly the dependence on carrier density that plays an important role, whereas at low temperatures and high fields the electric field dependence becomes important. Omission in the past of the carrier-density dependence has led to an underestimation of the hopping distance and the width of the density of states in these polymers

U2 - 10.1103/PhysRevLett.94.206601

DO - 10.1103/PhysRevLett.94.206601

M3 - Article

VL - 94

SP - 206601-1/4

JO - Physical Review Letters

T2 - Physical Review Letters

JF - Physical Review Letters

SN - 0031-9007

IS - 20

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Pasveer WF, Cottaar J, Tanase C, Coehoorn R, Bobbert PA, Blom PWM et al. Unified description of charge-carrier mobilities in disordered semiconducting polymers. Physical Review Letters. 2005;94(20):206601-1/4. 206601. Beschikbaar vanaf, DOI: 10.1103/PhysRevLett.94.206601