Contacts on polyester textile as a flexible substrate for solar cells

Adel G. Diyaf, Robert R. Mather, John I B Wilson

Research output: Contribution to journalArticlepeer-review

5 Citations (Scopus)


In the present work, the authors have studied conductive surfaces on polyester fabrics by using two types of commercially available conductive polymers; polyaniline and poly (3,4-ethylenedioxythiophene)-poly (styrenesulphonate) (PEDOT: PSS) with 100 nm aluminium thin film evaporated on top of the polymer so the fabric becomes a conductive substrate for inorganic thin film solar cells. Conductive polymer surfaces on woven polyester fabrics were obtained by knife-over-table coating technique. Surface resistivities for polyaniline and PEDOT: PSS coated fabrics were measured and found in the range of 400 × 103 and 1 × 103 Ω/□, respectively. Thermal stability tests were carried out to evaluate the effect of specific periods of heal treatment at different elevated temperatures on resistance of polymer coated conducting textiles. PEDOT: PSS exhibited better stability than panipol. According to long term tests, PEDOT: PSS coated samples showed improvement in conductivity over 3 days whereas panipol showed the opposite. Transmission Line Model tests were performed to measure aluminium/polymer contact resistances which were found to be 120 × 10 3 Ω for polyaniline and about 46.3 O for PEDOT: PSS. Mechanical bending tests for aluminium/ PEDOT: PSS/fabric samples showed that the polymer can maintain the conductivity of samples by bridging micro-cracks in the metal film.

Original languageEnglish
Pages (from-to)444-450
Number of pages7
JournalIET Renewable Power Generation
Issue number5
Publication statusPublished - 2014

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment


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