Charge Transport Mechanism in Molecularly Doped Polymers

1992 ◽  
Vol 277 ◽  
Author(s):  
H. Nishizawa ◽  
M. Sugiuchi ◽  
T. Uehara
Keyword(s):  
Charge Transport ◽  
Coulomb Interaction ◽  
Transport Mechanism ◽  
Small Polaron ◽  
Dipole Interaction ◽  
Charge Transport Mechanism ◽  
Polaron Hopping ◽  
Small Polaron Hopping ◽  
Mobility Behavior ◽  
Doped Polymers

Charge-dipole interaction effects in molecularly doped polymers are discussed. The charge-dipole Coulomb interaction makes exponentially distributed traps. Calculating the mobility with their traps leads to mobility behavior like Gill's equation. The cancellation of a dipole corresponds to coincidence events of small-polaron hopping.

scholarly journals Electronic Charge Transport: Breakdown of the Small‐Polaron Hopping Model in Higher‐Order Spinels (Adv. Mater. 49/2020)

2020 ◽  
Vol 32 (49) ◽  
pp. 2070368
Author(s):  
Anuj Bhargava ◽  
Roni Eppstein ◽  
Jiaxin Sun ◽  
Michelle A. Smeaton ◽  
Hanjong Paik ◽  
...  
Keyword(s):  
Charge Transport ◽  
Small Polaron ◽  
Higher Order ◽  
Electronic Charge ◽  
Polaron Hopping ◽  
Small Polaron Hopping ◽  
Hopping Model

scholarly journals Small Polaron Hopping in Fe:LiNbO3 as a Function of Temperature and Composition

Crystals ◽  
2018 ◽  
Vol 8 (7) ◽  
pp. 294 ◽  
Author(s):  
Laura Vittadello ◽  
Marco Bazzan ◽  
Simon Messerschmidt ◽  
Mirco Imlau
Keyword(s):  
Charge Transport ◽  
Transient Absorption ◽  
Small Polaron ◽  
Transient Absorption Spectroscopy ◽  
Relaxation Dynamics ◽  
Experimental Conditions ◽  
Polaron Hopping ◽  
Small Polaron Hopping ◽  
Wide Range ◽  
Temperature Ranges

Small-polaron hopping involved in charge transport in Fe-doped congruent lithium niobate is investigated as a function of temperature and composition by means of light-induced transient absorption spectroscopy. The relaxation dynamics of the light-induced polaron population is characterized by individual activation energies within different temperature ranges. A numerical investigation carried out by Monte Carlo simulations reveals that these findings may be understood in terms of the varying abundance of the different types of hops that the polarons may perform among regular or defective lattice sites. The role of the temperature and of the sample composition on the distribution of the different hop types is thus explored for a wide range of parameters, allowing one to preview the charge transport properties for a given set of experimental conditions.

Vertical Charge Transport via Small Polaron Hopping within TIPS-Pentacene Lamellar Single Crystal

Small ◽  
2017 ◽  
Vol 13 (25) ◽  
pp. 1700456 ◽  
Author(s):  
Jiawei Wang ◽  
Tianjun Liu ◽  
Ji Dong ◽  
Molin Li ◽  
Jun He ◽  
...  
Keyword(s):  
Single Crystal ◽  
Charge Transport ◽  
Small Polaron ◽  
Polaron Hopping ◽  
Small Polaron Hopping

scholarly journals Charge transport mechanism in copper phthalocyanine thin films with and without traps

RSC Advances ◽  
2017 ◽  
Vol 7 (86) ◽  
pp. 54911-54919 ◽  
Author(s):  
Varsha Rani ◽  
Akanksha Sharma ◽  
Pramod Kumar ◽  
Budhi Singh ◽  
Subhasis Ghosh
Keyword(s):  
Thin Films ◽  
Charge Transport ◽  
Grain Boundaries ◽  
Transport Mechanism ◽  
Copper Phthalocyanine ◽  
Organic Thin Films ◽  
Interface States ◽  
Charge Transport Mechanism ◽  
Density Of Interface States

We investigate the charge transport mechanism in copper phthalocyanine thin films with and without traps. We find that the density of interface states at the grain boundaries can decide the mechanism of charge transport in organic thin films.

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