Development of multidye UV filters for OPVs using luminescent materials

Jeffrey Kettle; Ricardo Vignoto Fernandes; Noel Bristow; Vasil Stoichkov; Helder Scapin Anizelli; Jose Leonil Duarte; Edson Laureto

doi:10.1088/1361-6463/50/2/025103

Development of multidye UV filters for OPVs using luminescent materials

Jeffrey Kettle
, Ricardo Vignoto Fernandes
, Noel Bristow
, Vasil Stoichkov
, Helder Scapin Anizelli
, Jose Leonil Duarte
, Edson Laureto

Universidade Estadual de Londrina

Research output: Contribution to journal › Article › peer-review

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Abstract

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.

Original language	English
Article number	025103
Journal	Journal of Physics D: Applied Physics
Volume	50
Issue number	2
Early online date	30 Nov 2016
DOIs	https://doi.org/10.1088/1361-6463/50/2/025103
Publication status	Published - 18 Jan 2017

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title = "Development of multidye UV filters for OPVs using luminescent materials",

abstract = "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.",

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AU - Kettle, Jeffrey

AU - Fernandes, Ricardo Vignoto

AU - Bristow, Noel

AU - Stoichkov, Vasil

AU - Anizelli, Helder Scapin

AU - Duarte, Jose Leonil

AU - Laureto, Edson

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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.

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Development of multidye UV filters for OPVs using luminescent materials

Abstract

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