Vinay  sharma, Aharon, Sigalit , Gdor, Itay , Yang, Chunfan , Lioz, Etgar , and Ruhman, Sanford . 2016. ?New Insights Into Exciton Binding And Relaxationfrom High Time Resolution Ultrafast Spectroscopy Ofch3Nh3Pbi3 And Ch3Nh3Pbbr3 Films?. J. Mater. Chem. A, 2016,4, Pp. 3546-3553.