dc.contributor.authorLi, Yuan
dc.contributor.authorZhao, Suling
dc.contributor.authorXu, Zheng
dc.contributor.authorZhang, Fujun
dc.contributor.authorZhao, Dewei
dc.contributor.authorSong, Jinglu
dc.contributor.authorHuang, Jinzhao
dc.contributor.authorYan, Guang
dc.contributor.authorKong, Chao
dc.contributor.authorXu, Xurong
dc.date.accessioned2013-11-08T08:51:41Z
dc.date.available2013-11-08T08:51:41Z
dc.date.copyright2013en_US
dc.date.issued2013
dc.identifier.citationLi, Y., Zhao, S., Xu, Z., Zhang, F., Zhao, D., Song, J., et al. (2013). The effect of secondary electrons on emission. Journal of luminescence, 138, 89-93.en_US
dc.identifier.issn0022-2313en_US
dc.identifier.urihttp://hdl.handle.net/10220/17547
dc.description.abstractThe effect of secondary electrons on emission is studied by modelling the electrons behaviours in multi-layers, including electron injection, transportation, multiplication, and emission. The dielectric constant model and carrier mobility model are presented to describe the voltage distribution in multi-layers for the non-current injection and current injection respectively. After injection, the electrons are accelerated in SiO2, where they collide with the electrons, generating secondary electrons, consequently contributing to emission. A multiplying factor M is introduced to describe the secondary electrons multiplication in certain electrical field strength. The prediction was further proved by comparing two groups of devices with and without the accelerating layer: ITO/MEH-PPV/SiO2/Al and ITO/MEH-PPV/BCP/Al. The current avalanche observed in current–illumination experiment is a proof of the existence and contribution of secondary electrons.en_US
dc.language.isoenen_US
dc.relation.ispartofseriesJournal of luminescenceen_US
dc.subjectDRNTU::Engineering::Electrical and electronic engineering
dc.titleThe effect of secondary electrons on emissionen_US
dc.typeJournal Article
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.identifier.doihttp://dx.doi.org/10.1016/j.jlumin.2013.01.030


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