Supporting Information A effective “precursor-transformation” route toward high-yield synthesis of ZIF-8 tubes

The content of ESI 1. Experimental section 2. Table S1 The samples and corresponding reaction conditions. 3. Fig.S1 XRD of T-ZIF-8 and D-ZIF-8. 4. Fig.S2 SEM images of D-ZIF-8. 5. Fig.S3 (a) The survey spectrum of Zn-EG precursor, (b) Zn 2p spectrum of ZnEG precursor, (c) C 1s spectrum of Zn-EG precursor and (d) the survey spectrum of T-ZIF-8. 6. Fig.S4 The TEM images of the samples prepared by ultrasound treatment of ZnEG precursor in DMF for (a,b) 10 min and (c,d) 50 min. 7. Fig.S5 (a) XRD patterns and (b) FT-IR spectra of different samples: Zn-EG precursor, Zn-EG-DMF-50, T-ZIF-8-5min, T-ZIF-8-2 and T-ZIF-8-24. 8. Fig.S6 TG curves of (a) Zn-EG precursor, (b) Zn-EG-DMF-50, (c) T-ZIF-8-5min, (d) T-ZIF-8-2 and (e) T-ZIF-8-24.. 9. Fig.S7 The photos of T-ZIF-8 samples from 3 times of parallel syntheses in 60 mL DMF.