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采用以离子液体为模板剂,辅助溶胶-凝胶法制备纳米级锐钛矿型二氧化钛。探索了合成N-甲基咪唑的实现条件,用微波法实现离子液体中间体及离子液体[bmim]BF4的合成,以合成的离子液体[bmim]BF4为模板制备纳米级光催化剂二氧化钛,研究该二氧化钛的光催化性能。在离子液体辅助下以溶胶-凝胶法制备的二氧化钛粒径更小,有更好的吸附性能和降解性能,光催化效果更好。
Nanosize anatase titanium dioxide was prepared by using sol-gel method with ionic liquid as template. The conditions for the synthesis of N-methylimidazole were explored. The synthesis of ionic liquid intermediate and ionic liquid [bmim] BF4 was achieved by microwave method. The synthesized ionic liquid [bmim] BF4 was used as a template to prepare nanoscale photocatalyst titanium dioxide. Titanium dioxide photocatalytic performance. Titanium dioxide prepared by sol-gel method assisted by ionic liquid has smaller particle size, better adsorption and degradation performance, and better photocatalytic activity.