CAJ | 학술논문

模板技术是制备介观尺度下具有多重结构材料的简单有效方法.本工作围绕纳米微球及其组装结构,一维纳米纤维及其组装结构而开展.其中重点关于核-壳结构凝胶微球的制备,并以此为模板制备包覆复合微球和中空微球,实现复合微球的形貌和特征尺寸的控制.通过化学改性对单分散聚苯乙烯胶体微粒进行处理,制备了具有核-壳结构的单分散凝胶粒子.以核-壳结构凝胶粒子为模板,制备了二氧化钛包覆聚苯乙烯核壳结构的复合粒子及其中空的二氧化钛粒子.发现在无机前体的溶胶凝胶过程中,电场能诱导复合粒子表面形成贯穿的多孔结构.同样思路,制备了二氧化硅、导电聚苯胺及其复合的核-壳结构和相应的中空微球.对聚苯乙烯胶体晶进行化学改性,制备了核-壳结构的胶体晶凝胶.以此为模板,与第二种具有响应特性凝胶进行复合,得到了敏感特性的胶体晶凝胶.并研究了此复合凝胶的形态及外场响应特性.以多孔氧化铝膜为模板,制备一维结构及其阵列体系.通过调节孔的润湿性,调节一维结构的形态(纤维或中空结构)并可调节双组分核-壳结构纤维的内外相相反转.
모판기술시제비개관척도하구유다중결구재료적간단유효방법.본공작위요납미미구급기조장결구,일유납미섬유급기조장결구이개전.기중중점관우핵-각결구응효미구적제비,병이차위모판제비포복복합미구화중공미구,실현복합미구적형모화특정척촌적공제.통과화학개성대단분산취분을희효체미립진행처리,제비료구유핵-각결구적단분산응효입자.이핵-각결구응효입자위모판,제비료이양화태포복취분을희핵각결구적복합입자급기중공적이양화태입자.발현재무궤전체적용효응효과정중,전장능유도복합입자표면형성관천적다공결구.동양사로,제비료이양화규、도전취분알급기복합적핵-각결구화상응적중공미구.대취분을희효체정진행화학개성,제비료핵-각결구적효체정응효.이차위모판,여제이충구유향응특성응효진행복합,득도료민감특성적효체정응효.병연구료차복합응효적형태급외장향응특성.이다공양화려막위모판,제비일유결구급기진렬체계.통과조절공적윤습성,조절일유결구적형태(섬유혹중공결구)병가조절쌍조분핵-각결구섬유적내외상상반전.
Template-synthesis is a simple but effective method to construct hierarchical structures on meso-scale. This work involves the preparation of composite particles and their self-assembly, and the preparation of one-dimensional fibers and their self-assembly. The preparation of hollow particles with tunable cavity in the range of whole particle radius is emphasized. The particles have potential applications in many areas such as in catalysis, controlled delivery, artificial cells, light fillers, low dielectric constant materials and photonic crystals materials.