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With coaxial nozzle system, TiO 2 hollow spheres were prepared and the optimum parameters of forming TiO 2 hollow spheres were fix on as follows: acrylamide (AM) was used as monomer up to 30.3%, acetone was used as vesicant, the mass fraction of initiator was 0.4%, the forming temperature was in the range from 90 °C to 95 °C. The photocatalistic performance of TiO 2 hollow...
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