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Identifier

000396974

Title

Plasmonic organic photovoltaics

Alternative Title

Πλασμονικά οργανικά φωτοβολταϊκά

Author

Κρασσάς, Μύρων

Thesis advisor

Κιοσέογλου, Γεώργιος

Reviewer

Κυμάκης, Εμμανουήλ
Πετρίδης, Κωνσταντίνος

Abstract

The effects of incorporating uncapped aluminum (Al) nanoparticles (NPs), produced using laser ablation, in the hole transport layer (HTL) of organic photovoltaic devices were systematically investigated. The integration of Al NPs in the poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) hole transport layer resulted in about 9% enhancement in the power conversion efficiency. This improvement can be attributed to a combination of optical and electrical effects. In particular, light trapping inside the photoactive layer takes place due to scattering of the incident light at wide angles by the embedded Al NPs. At the same time, the electrical conductivity of the HTL becomes enhanced, which in effect improves the hole collection and establishes a mobility balance

Language

English

Subject

Nanoparticles

Plasmon

Αλουμίνιο

Νανοσωματίδια

Πλασμόνιο

Issue date

2015-11-20

Collection

School/Department--School of Sciences and Engineering--Department of Materials Science and Technology--Post-graduate theses