Adva Shpatz In my research, I study the quasi 2D and 3D perovskites that have a general chemical formula (R-NH3)2MAn-1PbnI3n+1 (R= a long alkyl group).In my research :MA= Cesium,R-NH3=phenylethyl ammonium iodide or linear carbon chain. Contact Informationadva.shpatz@mail.huji.ac.il