利用紫外光吸收染料诱导胆甾相液晶体系形成螺距梯度,制备了具有宽波反射特性的胆甾相液晶聚合物薄膜.研究表明,由于紫外光吸收染料的存在,在紫外光诱导聚合的过程中,在复合材料中将形成紫外光强度梯度,进而形成手性单体的浓度梯度,最终制备了可反射可见光区红蓝绿三色光的胆甾相液晶聚合物薄膜.扫描电镜测试结果表明,胆甾相液晶聚合物薄膜的断面形貌其有螺距的梯度分布.该类材料在可调控光的智能玻璃和光学元器件等领域具有应用潜力.
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