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Enhanced adhesives for the encapsulation of flexible organic photovoltaic modules

Abstract : In order to address the issue of lateral water and oxygen permeation through the sides of the encapsulation and into flexible organic photovoltaic (OPV) devices, the water vapor permeation pathways were identified and several adhesive nanocomposites formulated and tested to limit these pathways. To identify the relative importance of the various water vapor permeation pathways present in the encapsulation of flexible OPV devices, a modified version of the optical calcium test was developed. Passive nanoparticles (phyllosilicates) and active nanoparticles (zeolites) were both evaluated dispersed in UV curing acrylate adhesives and acrylic block copolymer pressure sensitive adhesives. The nanocomposites were characterized for their mechanical and optical properties as well as their water vapor permeation and UV photostability. The adhesives were also used to encapsulate OPV devices and tested in accelerated humidity aging.
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Submitted on : Friday, February 1, 2019 - 12:29:28 PM
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  • HAL Id : tel-02003628, version 1


Patrick Mark Boldrighini. Enhanced adhesives for the encapsulation of flexible organic photovoltaic modules. Other. Université Blaise Pascal - Clermont-Ferrand II, 2015. English. ⟨NNT : 2015CLF22586⟩. ⟨tel-02003628⟩



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