Why Lead Methylammonium Tri-Iodide Perovskite-Based Solar Cells Require a Mesoporous Electron Transporting Scaffold (but Not Necessarily a Hole Conductor). Edri, E., Kirmayer, S., Henning, A., Mukhopadhyay, S., Gartsman, K., Rosenwaks, Y., Hodes, G., & Cahen, D. Nano Letters, 14(2):1000-1004, 2, 2014.
Website abstract bibtex CH3NH3PbI3-based solar cells were characterized with electron beam-induced current (EBIC) and compared to CH 3NH3PbI3-xClx ones. A spatial map of charge separation efficiency in working cells shows p-i-n structures for both thin film cells. Effective diffusion lengths, LD, (from EBIC profile) show that holes are extracted significantly more efficiently than electrons in CH3NH3PbI3, explaining why CH 3NH3PbI3-based cells require mesoporous electron conductors, while CH3NH3PbI3-xCl x ones, where LD values are comparable for both charge types, do not. © 2014 American Chemical Society.
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title = {Why Lead Methylammonium Tri-Iodide Perovskite-Based Solar Cells Require a Mesoporous Electron Transporting Scaffold (but Not Necessarily a Hole Conductor)},
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abstract = {CH3NH3PbI3-based solar cells were characterized with electron beam-induced current (EBIC) and compared to CH 3NH3PbI3-xClx ones. A spatial map of charge separation efficiency in working cells shows p-i-n structures for both thin film cells. Effective diffusion lengths, LD, (from EBIC profile) show that holes are extracted significantly more efficiently than electrons in CH3NH3PbI3, explaining why CH 3NH3PbI3-based cells require mesoporous electron conductors, while CH3NH3PbI3-xCl x ones, where LD values are comparable for both charge types, do not. © 2014 American Chemical Society.},
bibtype = {article},
author = {Edri, Eran and Kirmayer, Saar and Henning, Alex and Mukhopadhyay, Sabyasachi and Gartsman, Konstantin and Rosenwaks, Yossi and Hodes, Gary and Cahen, David},
journal = {Nano Letters},
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