Real-time resistance, transmission and figure-of-merit analysis for transparent conductors under stretching-mode strain

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DOIResolve DOI: http://doi.org/10.1016/j.solmat.2014.02.007
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TypeArticle
Journal titleSolar Energy Materials and Solar Cells
ISSN0927-0248
Volume124
Pages247255; # of pages: 9
SubjectFlexible electronics; Stretchable electronics; Transparent conductors; Printable electronics; Mechanical testing; Strain tolerance
AbstractIn this paper, we describe an apparatus capable of measuring electrical resistance and light transmission through a flexible transparent conductor (TC) as it is actively deformed. The measurements are performed in situ with time resolution on the order of ~100 ms, and the resistance/transmission data is further used to calculate TC figures-of-merit in real-time. With this instrument, we are able to track and compare the evolution of figures-of-merit for different TCs as they are actively deformed. To demonstrate the tool, we evaluate several common TCs including indium tin oxide, poly(3,4- ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS), and silver nanowires, as well as a more unconventional nanowire/PEDOT:PSS hybrid. As expected, indium tin oxide degrades rapidly with strain, while the more flexible PEDOT:PSS is far more strain tolerant. The nanowire/PEDOT:PSS composite is found to produce an advantageous effect, as the silver nanowires generate large figures-of-merit at low strain, and the addition of a PEDOT:PSS component vastly improves strain tolerance.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Security and Disruptive Technologies
Peer reviewedYes
NPARC number21273009
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Record identifier22fccdd0-d22b-4e17-8174-366ab535c754
Record created2014-12-05
Record modified2016-05-09
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