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Sakaguchi, Takahiro,Jeon, Il,Chiba, Takaaki,Shawky, Ahmed,Xiang, Rong,Chiashi, Shohei,Kauppinen, Esko I.,Park, Nam-Gyu,Matsuo, Yutaka,Maruyama, Shigeo Cambridge University Press (Materials Research Soc 2018 MRS Communications Vol.8 No.3
<▼1><B>Abstract</B><P/></▼1><▼2><P>Lead halide perovskite solar cells (PSCs) with a structure of glass/FTO/TiO2/CH3NH3PbI3 with single-walled carbon nanotubes (SWNT) as the transparent top electrodes, followed by polymethyl methacrylate (PMMA) over-coating were fabricated. The SWNT-based PSCs do not require expensive metal electrodes and hole-transporting materials yet produce a decent power conversion efficiency of 11.8%, owing to the densifying effect of SWNTs by PMMA. The resulting devices demonstrate reduced hysteresis, improved stability, and increased power conversion efficiency.</P></▼2>