It’s Not All About the Chemical Identity—Strong Impact of Substituent Position in PEAI Based Cations for Realizing Efficient and Stable 2D/3D Perovskite Solar Cells

Gorkem Gunbas

Ummugulsum Gunes

Figen Varlioglu Yaylali

Zeynep Gozukara Karabag

Aliekber Karabag

Xiao-Xin Gao

Olga Syzgantseva

Bensu Cel Yildirim

Naoyuki Shibayama

Hiroyuki Kanda

Alwani Imanah Rafieh

Liping Zhong

Andreas Züttel

Joseph Paul Dyson

Selcuk Yerci

Mohammad Khaja Nazeeruddin

Gorkem Gunbas^1,2,Ummugulsum Gunes^1,2,3,Figen Varlioglu Yaylali^1,2,Zeynep Gozukara Karabag^1,2,3,Aliekber Karabag^1,2,Xiao-Xin Gao³,Olga Syzgantseva⁴,Bensu Cel Yildirim^1,2,Naoyuki Shibayama⁵,Hiroyuki Kanda³,Alwani Imanah Rafieh³,Liping Zhong³,Andreas Züttel³,Joseph Paul Dyson³,Selcuk Yerci^1,2,Mohammad Khaja Nazeeruddin³

ODTU-GUNAM¹,Middle East Technical University²,École Polytechnique Fédérale de Lausanne³,Lomonosov Moscow State University⁴,University of Hyogo⁵