AgTFSI as p-Type Dopant for Efficient and Stable Solid-State Dye-Sensitized and Perovskite Solar Cells

QC 20150108
A silver-based organic salt, silver bis(trifluoromethane-sulfonyl) imide (AgTFSI), was employed as an effective p-type dopant for the triarylamine-based organic hole-transport material Spiro-MeOTAD, which has been successfully applied in solid-state dye-sensitized solar cells (ssDSCs) and perovskite solar cells (PSCs). The power conversion efficiencies (PCEs) of AgTFSI-doped devices improved by 20%, as compared to the device based on the commonly used oxygen doping both for ssDSCs and PSCs. Moreover, the solid-state dye-sensitized devices exposed to AgTFSI as dopant showed considerably better stability than those of oxygen doped, qualifying this p-type dopant as a promising alterative for the preparation of highly efficient as well as stable ssDSCs and PSCs for the future.

Huang, JingKTH,Teoretisk kemi och biologi(Swepub:kth)u1yjmndp (author)
Ågren, HansKTH,Teoretisk kemi och biologi(Swepub:kth)u1l2s96v (author)
Kloo, LarsKTH,Tillämpad fysikalisk kemi,Molekylär elektronik, CMD(Swepub:kth)u1jrdr1m (author)
Hagfeldt, AndersUppsala universitet,Fysikalisk kemi(Swepub:uu)andehagf (author)
Sun, LichengKTH,Kemi,Molekylär elektronik, CMD(Swepub:kth)u1umfd9h (author)
KTHKemi (creator_code:org_t)

By the author/editor: Xu, Bo; Huang, Jing; Ågren, Hans; Kloo, Lars; Hagfeldt, Anders; Sun, Licheng

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