Plasmonic enhancement of aqueous processed organic photovoltaics

Abstract

Plasmonic NaxWO3 nanoparticles were introduced to aqueous processed organic photovoltaics with 35% device enhancement.

Preparation and optical characterization of nanoparticle organic photoactive layer using new fullerene

“…Over last three decades, BHJ-OPV devices have achieved a high efficiencies , which developed into encouraging technology due to their low manufacturing cost and utilizing it in large scale OPV devices [4,5]. However, the main issue of BHJ devices is using harm solvents at fabrication process such as chloroform (CF), chlorobenzene (CB) and dichlorobenzene (DCB) [6].…”

“…Thus, the nanoparticle organic photovoltaics (NP-OPVs) have contributed in reduction the environmental, health, and safety issues in fabrication process of NPs devices, compared to conventional bulk heterojunction (BHJ) devices [9][10][11][12]. The NPs morphology is typically formatted in a core-shell NPs structure, for a common system poly(3-hexylthiophene) (P3HT): [6,6]-phenyl-C61-buteric acid methylester (PCBM) contains a P3HT rich ∼70% in the shell and a pure PCBM in the core [13]. However, nanoparticle organic photovoltaics exhibit a low performance compared to BHJ-OPVs due to a lack in the charge generation process in the NPs morphology as it was investigated systematically to P3HT:PCBM previously [14].…”

“…Free charge will move to electrodes (4) (anode -hole collection point) and (cathode -electron collection point) (5). As it's aware the real device is not an ideal system so the generated charge will be governed by the charge carrier recombination process (6), which occurred due to the morphology defects in the active layer [24,25].…”