The Effect of Local Doping of the Polymer–Polymer Interface using Cu2O Particles

Lachinov, A.N.; Karamov, D.D.; Galiev, A.F.; Lachinov, A.A.; Yusupov, A.R.; Shaposhnikova, V.V.; Salazkin, S.N.; Chebotareva, A.B.

Авторы: Lachinov Alexey N., Karamov Danfis D., Galiev Azat F., Lachinov Alexey A., Yusupov Azat R., Shaposhnikova Vera V., Salazkin Sergey N., Chebotareva Alla B.
Журнал: Applied Sciences
Том: 13
Номер: 6
Год издания: 2023
Издательство: MDPI
Местоположение издательства: Basel, Switzerland
Номер статьи: 3684
DOI: 10.3390/app13063684
Аннотация: Electrically conductive polymer materials are increasingly being used as electronic materials, for example, in thin-film transistors. However, the low mobility of charge carriers limits their use. One of the ways to increase the mobility of charge carriers can be the use of interface conductivity along the regions separating the two polymer films. It is important that it could be realized with non-conjugated polymers. There is no direct experimental evidence that the transport of charge carriers occurs along such an interface. It is impossible to deny the possibility of transport on the surfaces of polymer films. The purpose of this work is to study the current flow path in a multilayer sample by marking the polymer–polymer interface with a doping nanolayer of a Cu2O island film. Spectral methods in the field of electronic absorption of copper oxide were used to control the island film. The electronic parameters of the polymer–polymer interface were studied using injection methods and volt-ampere characteristics. Atomic force microscopy was used to control the thickness and uniformity of the samples. It was found that the doping of the polymer–polymer interface using Cu2O particles strongly affects the transport of charge carriers; in particular, the conductivity of the structure increases. It is established that this is due to an increase in the mobility of the charge carriers and a decrease in the height of the potential barrier at the 3D metal–2D interface area. Thus, it is established that the transport of charge carriers occurs along the polymer–polymer interface at the structure parameters specified in this work.
Добавил в систему: Чеботарева Алла Борисовна

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