1A3_0106_ TEXTILE BASED DYE-SENSITIZED SOLAR CELLS WITH NATURAL DYES

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Carsten Grassman

Thomas Grethe

Anna Krause

Christina Großerhode

Jan Lukas Storck

Lieva van Langenhove

Anne Schwarz-Pfeiffer

Published Jul 31, 2019

Abstract

Natural dyes extracted from hibiscus petals, elderberries and mallow flowers were investigated in dye-sensitized solar cells. Two approaches were followed: 1. Hybrid glass/fabric cells with titanium dioxide on glass as working electrode and a textile counter electrode; 2. hybrid fabric/glass cells with zinc oxide as working electrode on textile and a glass counter electrode. The zinc oxide layer on cotton was prepared by electroless deposition whereas the titanium dioxide coated glass electrodes were obtained directly from the manufacturer. In both cases the redox couple consisted of iodine / triiodide and the counter electrode was based on an electrically conductive fabric.


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