S1 Supporting Information Development of Novel Mixed Halide/Superhalide Tin-based Perovskites for Mesoscopic Carbon- based Solar Cells Mohammad Rameez, 1,2,3 Saeed Shahbazi, 1 Putikam Raghunath, 1 Ming Chang Lin, 1,4 Chen Hsiung Hung,* ,2 and Eric Wei-Guang Diau* ,1,4 1 Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University, 1001 Ta-Hsueh Rd., Hsinchu 30010, Taiwan 2 Institute of Chemistry, Academia Sinica, Nankang, Taipei 11529, Taiwan. 3 Sustainable Chemical Science and Technology (SCST), Taiwan International Graduate Program (TIGP), Academia Sinica, Nankang, Taipei 11529, Taiwan. 4 Center for Emergent Functional Matter Science, National Chiao Tung University, 1001 Ta-Hsueh Rd., Hsinchu 30010, Taiwan AUTHOR INFORMATION Corresponding Authors * Dr. Eric Wei-Guang Diau Department of Applied Chemistry and Institute of Molecular Science, National Chiao Tung University, Hsinchu 30010, Taiwan. E-mail: diau@mail.nctu.edu.tw * Dr. Chen-Hsiung Hung Institute of Chemistry, Academia Sinica, Nankang, Taipei 11529, Taiwan. E-mail: chhung@gate.sinica.edu.tw