A facile approach to synthesize SiO2 · Re2O3 (Re = Y, Eu, La, Sm, Tb, Pr) hollow sphere and its application in drug release
1 Department of Chemistry, College of Chemistry, Chemical Engineering and Materials Science, Shandong Normal University, Jinan 250014, China
2 College of Rizhao Polytechnic, Rizhao 276826, China
Nanoscale Research Letters 2013, 8:435 doi:10.1186/1556-276X-8-435Published: 21 October 2013
Additional file 1:
Supporting information. Table S1. Experimental results at different reaction conditions. Table S2. Different Re3+ ion (Re = Y, Eu, La, Sm, Tb, Pr) influence on the product during synthesis process. Figure S1. TEM images of different reaction temperatures, [Eu3+] = 0.06 mol/L, 12 h. Figure S2. TEM images of different Eu3+ concentrations, 250°C, 12 h. Figure S3. TEM images of different pH values of solutions, 250°C, [Eu3+] = 0.06 mol/L, 12 h. Figure S4. TEM images of SiO2 · Re2O3 HSs prepared by different Re 3+ assistance: T = 250°C, pH = 4, [Re3+] = 0.06 mol/L, t = 12 h (Re = Y, Eu, La, Sm, Tb, Pr).
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