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10.1038/ncomms8497 http://scihub22266oqcxt.onion/10.1038/ncomms8497 C4491179!4491179!26105623     free     free     free Deprecated: Implicit conversion from float 213.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534       Nat+Commun 2015 ; 6 (ä): ä Nephropedia Template TP {{tp|p=26105623|t=2015. Ionic transport in hybrid lead iodide perovskite solar cells |pdf=|usr=}}{{26105623}} gab.com Text Ionic transport in hybrid lead iodide perovskite solar cells JO: Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=26105623 #FOAvip Solar cells based on organic?inorganic halide perovskites have recently shown rapidly rising power conversion efficiencies, but exhibit unusual behaviour such as current?voltage hysteresis and a low-frequency giant dielectric response. Ionic transport has been suggested to be an important factor contributing to these effects; however, the chemical origin of this transport and the mobile species are unclear. Here, the activation energies for ionic migration in methylammonium lead iodide (CH3NH3PbI3) are derived from first principles, and are compared with kinetic data extracted from the current?voltage response of a perovskite-based solar cell. We identify the microscopic transport mechanisms, and find facile vacancy-assisted migration of iodide ions with an activation energy of 0.6?eV, in good agreement with the kinetic measurements. The results of this combined computational and experimental study suggest that hybrid halide perovskites are mixed ionic?electronic conductors, a finding that has major implications for solar cell device architectures. Twit Text FOAVip Ionic transport in hybrid lead iodide perovskite solar cells ????Nat Commun http://www.kidney.de/pget.php?&tw=1&pmid=26105623 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=26105623 #FOAvip English Wikipedia <ref>{{Cite pmid|26105623}}</ref> Ionic transport in hybrid lead iodide perovskite solar cells #MMPMID26105623 Eames C; Frost JM; Barnes PRF; O'Regan BC; Walsh A; Islam MS Nat Commun 2015[]; 6 (ä): ä PMID26105623show ga Solar cells based on organic?inorganic halide perovskites have recently shown rapidly rising power conversion efficiencies, but exhibit unusual behaviour such as current?voltage hysteresis and a low-frequency giant dielectric response. Ionic transport has been suggested to be an important factor contributing to these effects; however, the chemical origin of this transport and the mobile species are unclear. Here, the activation energies for ionic migration in methylammonium lead iodide (CH3NH3PbI3) are derived from first principles, and are compared with kinetic data extracted from the current?voltage response of a perovskite-based solar cell. We identify the microscopic transport mechanisms, and find facile vacancy-assisted migration of iodide ions with an activation energy of 0.6?eV, in good agreement with the kinetic measurements. The results of this combined computational and experimental study suggest that hybrid halide perovskites are mixed ionic?electronic conductors, a finding that has major implications for solar cell device architectures. äIonic transport in hybrid lead iodide perovskite solar cells (epmc).pdf DeepDyve Pubget Overpricing