Carbon based perovskite solar cells constructed by screen-printed components

Camellia Raminafshar, Vassilios Dracopoulos, Mohammad Reza Mohammadi (Lead / Corresponding author), Panagiotis Lianos (Lead / Corresponding author)

    Research output: Contribution to journalArticlepeer-review

    17 Citations (Scopus)

    Abstract

    Carbon based perovskite solar cells have been constructed by screen-printing three subsequent mesoporous layers of Titania, Zirconia and Carbon without a hole transporting layer and by infiltration of perovskite liquid precursor through the layers. Cell efficiency was optimized by varying the thickness of the three layers and the composition of the inks employed for screen printing. Electrochemical impedance spectroscopy was employed as a guide in the search for layer thickness optimization. All cell construction and testing was carried out under ambient conditions of 20–30% humidity. The cells were not encapsulated. The best cell gave an efficiency of 10.7%. All cells demonstrated a remarkable stability supported by the low ambient humidity and the hydrophobic, therefore protective, nature of the carbon top component.

    Original languageEnglish
    Pages (from-to)261-267
    Number of pages7
    JournalElectrochimica Acta
    Volume276
    Early online date26 Apr 2018
    DOIs
    Publication statusPublished - 20 Jun 2018

    Keywords

    • Carbon counter electrode
    • Fully printable components
    • HTM-Free cells
    • Perovskite solar cells

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