Frolova, Lyubov A The chemical origin of the p-type and n-type doping effects in the hybrid methylammonium-lead iodide (MAPbI3) perovskite solar cells. [electronic resource] - Chemical communications (Cambridge, England) Oct 2015 - 14917-20 p. digital Publication Type: Journal Article ISSN: 1364-548X Standard No.: 10.1039/c5cc05205j doi