Preparation of TiO2 Nano-particles with Controllable Surface Charges for Electrophoretic Display
Source abstract
Abstract
分别以阴、阳离子表面活性剂和聚合物作为表面修饰剂, 以四氯乙烯、十二烷基苯和Isopar H作为分散介质, 研究纳米TiO 2 电泳粒子表面荷电性质及其荷电量的可控制备. 研究结果表明,阳离子表面活性剂修饰的TiO 2 粒子的 ξ 电位在四氯乙烯中呈负性, 在十二烷基苯和Isopar H中呈正性; 阴离子表面活性剂的修饰产物则相反. 进一步研究了十二烷基苯磺酸钠、十六烷基三甲基溴化铵和苯乙烯/二乙烯苯修饰的TiO 2 粒子体系中电荷控制剂的浓度对TiO 2 粒子荷电量的影响. 结果表明TiO 2 电泳粒子的ξ电位在电荷控制剂的临界胶束浓度附近存在极小值, 并随着浓度的增加而有规律地变化, 但荷电性质不改变. 根据这一规律可实现对粒子表面电荷的可控制备.
Source: openalex_inverted_index · Quality: baseline
Research context
OpenAlex topics: Electrowetting and Microfluidic Technologies · Modular Robots and Swarm Intelligence · Electrophoretic Deposition in Materials Science
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
References (9)
Show source-provided references
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