Three-dimensional carbazole-based dendrimers: model structures for studying charge transport in organic semiconductor films

2013 ◽  
Vol 4 (4) ◽  
pp. 916-925 ◽  
Author(s):  
Karyn Mutkins ◽  
Simon S. Y. Chen ◽  
Almantas Pivrikas ◽  
Muhsen Aljada ◽  
Paul L. Burn ◽  
...  
2012 ◽  
Vol 24 (16) ◽  
pp. 2171-2175 ◽  
Author(s):  
Tao He ◽  
Xiying Zhang ◽  
Jiong Jia ◽  
Yexin Li ◽  
Xutang Tao

2020 ◽  
Vol 140 (4) ◽  
pp. 179-185
Author(s):  
Hiroshi Yamauchi ◽  
Yugo Okada ◽  
Takashi Tadokoro ◽  
Kazuhiro Kudo

2015 ◽  
Vol 2 (18) ◽  
pp. 1500423 ◽  
Author(s):  
Silvia Trabattoni ◽  
Luisa Raimondo ◽  
Marcello Campione ◽  
Daniele Braga ◽  
Vincent C. Holmberg ◽  
...  

2017 ◽  
Vol 9 (9) ◽  
pp. 8384-8392 ◽  
Author(s):  
Tobias Breuer ◽  
Andrea Karthäuser ◽  
Hagen Klemm ◽  
Francesca Genuzio ◽  
Gina Peschel ◽  
...  

2015 ◽  
Vol 1737 ◽  
Author(s):  
Cristiano F. Woellner ◽  
Leonardo D. Machado ◽  
Pedro A. S. Autreto ◽  
José A. Freire ◽  
Douglas S. Galvão

ABSTRACTIn this work we use a three-dimensional Pauli master equation to investigate the charge carrier mobility of a two-phase system, which can mimic donor-acceptor and amorphous-crystalline bulk heterojunctions. Our approach can be separated into two parts: the morphology generation and the charge transport modeling in the generated blend. The morphology part is based on a Monte Carlo simulation of binary mixtures (donor/acceptor). The second part is carried out by numerically solving the steady-state Pauli master equation. By taking the energetic disorder of each phase, their energy offset and domain morphology into consideration, we show that the carrier mobility can have a significant different behavior when compared to a one-phase system. When the energy offset is non-zero, we show that the mobility electric field dependence switches from negative to positive at a threshold field proportional to the energy offset. Additionally, the influence of morphology, through the domain size and the interfacial roughness parameters, on the transport was also investigated.


2021 ◽  
Author(s):  
Yuze Zhang ◽  
Alina Chen ◽  
Min-Woo Kim ◽  
Aida Alaei ◽  
Stephanie S. Lee

This tutorial review highlights the role of nanoconfinement in selecting for orientations and polymorphs of organic semiconductor crystals that are optimized for optoelectronic processes, including charge transport and light emission.


Author(s):  
Tewfik Souier

In this chapter, the main scanning probe microscopy-based methods to measure the transport properties in advanced polymer-Carbon Nanotubes (CNT) nanocomposites are presented. The two major approaches to investigate the electrical and charge transport (i.e., Electrostatic Force Microscopy [EFM] and Current-Sensing Atomic Force Microscopy [CS-AFM]) are illustrated, starting from their basic principles. First, the authors show how the EFM-related techniques can be used to provide, at high spatial resolution, a three-dimensional representation CNT networks underneath the surface. This allows the studying of the role of nanoscopic features such as CNTs, CNT-CNT direct contact, and polymer-CNT junctions in determining the overall composite properties. Complementary, CS-AFM can bring insight into the transport mechanism by imaging the spatial distribution of currents percolation paths within the nanocomposite. Finally, the authors show how the CS-AFM can be used to quantify the surface/bulk percolation probability and the nanoscopic electrical conductivity, which allows one to predict the macroscopic percolation model.


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