Improving the Operational Stability of PBDTTTz-4 Polymer Solar Cells Modules by Electrode Modification

Publication: Research - peer-reviewJournal article – Annual report year: 2015

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PBDTTTz-4 is employed in the ambient manufacturing of fully Roll-to-Roll organic solar cell modules. Modules are manufactured using a novel silver nanowire electrode or a previously reported carbon electrode. The average PCE of carbon modules (3.07%) and AgNW modules (1.46%) shows that PBDTTTz-4 is a good candidate for upscaling. Stability measurements following the ISOS standards are used to compare the lifetime of the different modules. In all tests but one, the carbon modules are less stable. The higher stability of AgNW is attributed to the removal of the PEDOT:PSS in the front electrode. Finally during indoor light tests, a new degradation phenomenon is observed where bubbles are formed inside the modules contrary to previous reports of bubble formation by thermal expansion of trapped gas inside the barrier.
Original languageEnglish
JournalAdvanced Engineering Materials
Volume18
Issue number4
Pages (from-to)511-517
Number of pages7
ISSN1438-1656
DOIs
StatePublished - 2016

Bibliographical note

This work has been supported by the Eurotech Universities Alliance project “Interface science for photovoltaics (ISPV)”

CitationsWeb of Science® Times Cited: 5
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