1. Synthesis of Er-doped ZnO nanoparticle/organic hybrid from metal-organics Masahiro Kachi,* Wataru Sakamoto,* Masao Ichida,** Tomoo. Wada,** Hiroaki Ando, ** and Toshinobu Yogo* *Division of Nanomaterials Science, EcoTopia Science Institute, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8603, **Department of Physics, Konan University, Okamoto, Higashinada-ku, Kobe, 658-8501 Supplementary Data

2. 1020304050607080 Intensity/a.u. 2 /deg. ZnO (c) (a) (b) Fig.S1 XRD patterns of Er-doped ZnO particle/organic hybrids synthesized at (ZA-EA)/MH/H 2 O=1/4/40 at 80˚C for 24h. (a) 2 mol% EA, (b) 5 mol%EA, (c) 10 mol%EA.

3. ZnO Er 2 O 3 1020304050607080 Intensity/a.u. (b) 2 /deg. (a) Fig.S2 XRD patterns of burn-out products of 5 mol% and 10 mol% Er-doped ZnO particle/organic hybrids shown in Fig. S1 at 600˚C for 1h in oxygen. (a) 5 mol% EA, (b) 10 mol%EA.