Integrated Electronic Materials Lab.

Electronic polymer materials, Optoelectronics, Sensors, Materials for stretchable electrodes

2021 IEML Open Lab. - Video Clip 자세히보기

Research

Fully vacuum-free and solution-processed organic photovoltaic cell

윤창훈 교수 2021. 1. 16. 00:04

A silver nanowire (AgNW)-based stacked lamination electrode was investigated for application as the top electrode in fully vacuum-free and solution-processed organic photovoltaic (OPV) fabrication. AgNW layers were stacked with an ethylene-glycol-doped poly(3,4-ethylenedioxythiophene)-poly(styrenesulfonate) (PEDOT:PSS) layer for conductivity enhancement and uniform contact creation, and an ethylene vinyl acetate (EVA) adhesive and a polyethylene terephthalate (PET) supporting film with subsequent hot-pressing were used for complete attachment (good electrical contact). The results revealed that the OPVs with lamination electrodes provided the best fill factor (FF) of 53% and a final photoconversion efficiency (PCE) of 2.61%, whereas the OPVs with metal electrodes provided the best FF of 64% and a PCE of 3.41%. (https://doi.org/10.1016/j.orgel.2020.106046)