{"id":714,"date":"2015-06-03T22:23:55","date_gmt":"2015-06-03T22:23:55","guid":{"rendered":"https:\/\/sites.ifi.unicamp.br\/autretos\/?p=714"},"modified":"2015-06-14T22:47:32","modified_gmt":"2015-06-14T22:47:32","slug":"dados-de-condutividade","status":"publish","type":"post","link":"https:\/\/sites.ifi.unicamp.br\/autretos\/en\/2015\/06\/03\/dados-de-condutividade\/","title":{"rendered":"The Influence of Morphology on the Charge Transport in Two-Phase Disordered Organic Systems"},"content":{"rendered":"

[PUBLICADO]

\"\"<\/div>Cristiano F. Woellner, Leonardo D. Machado, Pedro A. S. Autreto, Jose A. Freire, Douglas S. Galvao: <\/span> The Influence of Morphology on the Charge Transport in Two-Phase Disordered Organic Systems<\/a><\/span>. In: <\/span>Mater. Res. Soc. Symp. Proc., <\/span>vol. 1737, <\/span>2015<\/span>.<\/span><\/div><\/p>\n
\"transport\"<\/a>

Two representative morphologies with an equal amount of constituents (volume ratio \u03b1=0.5) and the same domain size (b=6 nm). The left case illustrates a rougher interfacial surface (\u03b3=0.1) and the right one illustrates a smoother surface (\u03b3=0.7).<\/p><\/div>\n

In 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.<\/h3>\n

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You can see more details:<\/p>\n

\"\"<\/div>Cristiano F. Woellner, Leonardo D. Machado, Pedro A. S. Autreto, Jose A. Freire, Douglas S. Galvao: <\/span> The Influence of Morphology on the Charge Transport in Two-Phase Disordered Organic Systems<\/a><\/span>. In: <\/span>Mater. Res. Soc. Symp. Proc., <\/span>vol. 1737, <\/span>2015<\/span>.<\/span><\/div><\/h3>\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

[PUBLICADO] In 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 … <\/p>\n

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