Supporting Information Synthesis and photo- and electroluminescence properties of 3,6- disubstituted phenanthrenes: alternative host material for blue fluorophores Yu-Han Chen, Ho-Hsiu Chou, Tsu-Hui Su, Pei-Yu Chou, Fang-Iy Wu and Chien-Hong Cheng* Department of Chemistry, National Tsing Hua University, Hsinchu 30043, Taiwan. e-mail: chcheng@mx.nthu.edu.tw Contents: 1. Experimental Section ---------------------------------------------------------------------S2 2. Absorption and emission spectra of TPhP, TNaP and TPyP in CH 2 Cl 2 ------------S8 3. Cyclic voltammograms of TPhP, TNaP and TPyP------------------------------------S8 4. Calculated HOMO and LUMO density maps of TPhP, TNaP and TPyP----------S9 5. TGA thermograms of TPhP, TNaP and TPyP-----------------------------------------S9 6. DSC thermograms of TNaP and TPyP------------------------------------------------S10 7. AFM of TPyP doped with 5% BCzVBi-----------------------------------------------S11 8. The L-I-V curves of devices, EL spectra, and the operational lifetime of devices--- -----------------------------------------------------------------------------------------S11-S12 9. 1 H and 13 C NMR spectra-----------------------------------------------------------S13-S15 S1 Electronic Supplementary Material (ESI) for Chemical Communications This journal is © The Royal Society of Chemistry 2011