Input energy analysis of flexible solar cells on textile

A. Helena N. Lind*, Robert Rhodes Mather, John Ivor Barrett Wilson

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)


An energy assessment was made for a novel solar cell consisting of thin film silicon on woven polyester. The total energy used in manufacture by this unique combination of textile and semiconductor processes was estimated to be 446 MJ/m(2), lower compared with using more conventional substrates such as glass and polymer film. The authors' substrate choice of woven polyester (53 MJ/m(2)) shows a cut in energy use compared with glass, which requires 150-200 MJ/m(2). Comparison with the energy generated by the device in a typical mid-European operating ambient showed it to have an energy payback time of 1-2 years for an energy conversion efficiency range of 10-5%.

Original languageEnglish
Pages (from-to)514-519
Number of pages6
JournalIET Renewable Power Generation
Issue number5
Publication statusPublished - Jul 2015


  • solar cells
  • flexible electronics
  • textiles
  • thin films
  • silicon
  • elemental semiconductors
  • input energy analysis
  • flexible solar cells
  • textile
  • energy assessment
  • thin film silicon
  • woven polyester
  • semiconductor processes
  • energy conversion
  • efficiency 10 percent to 5 percent
  • time 1 year to 2 year


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