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Browsing by Author "Afshar, S."

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    An easy method to modify PEDOT:PSS/perovskite interfaces for solar cells with efficiency exceeding 15%
    (2016-01-01)
    Shahbazi, S.
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    Tajabadi, F.
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    Shiu, H. -S.
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    Sedighi, R.
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    Jokar, E.
    Herein, we show that surface treatment of PEDOT:PSS films using propionic acid (PA) results in better device performance for the resulting CH3NH3PbI3 perovskite solar cells (PCE > 15%). N-2 blow spreading of PA appears critical in enhanced performance. This weak acid treatment leads to no worse roughness, while providing larger perovskite grains.