Development of multidye UV filters for OPVs using luminescent materials
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In: Journal of Physics D: Applied Physics, Vol. 50, No. 2, 025103, 18.01.2017.
Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Development of multidye UV filters for OPVs using luminescent materials
AU - Kettle, Jeffrey
AU - Fernandes, Ricardo Vignoto
AU - Bristow, Noel
AU - Stoichkov, Vasil
AU - Anizelli, Helder Scapin
AU - Duarte, Jose Leonil
AU - Laureto, Edson
PY - 2017/1/18
Y1 - 2017/1/18
N2 - Luminescence down-shifting (LDS) is used in several photovoltaic technologies aiming to improve the photon conversion efficiency (PCE) of the devices through the increase of the light harvesting in the regions of the electromagnetic spectrum where the EQE of the solar cells is poor. The aim of this work was to produce films of mixtures (blends) of two luminescent materials, dispersed in a poly-methyl methacrylate (PMMA) matrix, hoping to improve their properties both as LDS layer and as UV filter when applied on the clear, external surface of P3HT:PC61BM photovoltaic devices. The best results led to an increment of 7.4% in the PCE of the devices, and a six fold enhancement in their half-life (T 50%). This study indicates that multidye LDS layers with optimized optical properties can lead to an effective improvement in the performance and operational stability of OPVs.
AB - Luminescence down-shifting (LDS) is used in several photovoltaic technologies aiming to improve the photon conversion efficiency (PCE) of the devices through the increase of the light harvesting in the regions of the electromagnetic spectrum where the EQE of the solar cells is poor. The aim of this work was to produce films of mixtures (blends) of two luminescent materials, dispersed in a poly-methyl methacrylate (PMMA) matrix, hoping to improve their properties both as LDS layer and as UV filter when applied on the clear, external surface of P3HT:PC61BM photovoltaic devices. The best results led to an increment of 7.4% in the PCE of the devices, and a six fold enhancement in their half-life (T 50%). This study indicates that multidye LDS layers with optimized optical properties can lead to an effective improvement in the performance and operational stability of OPVs.
U2 - 10.1088/1361-6463/50/2/025103
DO - 10.1088/1361-6463/50/2/025103
M3 - Article
VL - 50
JO - Journal of Physics D: Applied Physics
JF - Journal of Physics D: Applied Physics
SN - 0022-3727
IS - 2
M1 - 025103
ER -