Carbon nanotube film replacing silver in high-efficiency solid-state dye solar cells employing polymer hole conductor

Kerttu Aitola, Jinbao Zhang, Nick Vlachopoulos, Janne Halme, Antti Kaskela, Albert G. Nasibulin, Esko I. Kauppinen, Gerrit Boschloo, Anders Hagfeldt

    Research output: Contribution to journalArticlepeer-review

    9 Citations (Scopus)

    Abstract

    A semitransparent, flexible single-walled carbon nanotube (SWCNT) film was efficiently used in place of evaporated silver as the counter electrode of a poly(3,4-ethylenedioxythiophene) polymer-based solid-state dye solar cell (SSDSC): the solar-to-electrical energy conversion efficiency of the SWCNT-SSDSC was 4.8 % when it was 5.2 % for the Ag-SSDSC. The efficiency difference stemmed from a 0.1-V difference in the open-circuit voltage, whose reason was speculated to be related to the different recombination processes in the two types of SSDSCs.

    Original languageEnglish
    Pages (from-to)3139-3144
    Number of pages6
    JournalJournal of Solid State Electrochemistry
    Volume19
    Issue number10
    DOIs
    Publication statusPublished - 1 Oct 2015

    Keywords

    • Carbon nanotube film
    • Counter electrode
    • Dye-sensitized solar cell
    • Poly(3,4-ethylenedioxythiophene)
    • Polymer hole-conducting medium

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