手性向列有序纳米二氧化钛的硬模板化。
Hard templating of nanocrystalline titanium dioxide with chiral nematic ordering.
机构信息
Department of Chemistry, University of British Columbia, Vancouver, Canada.
出版信息
Angew Chem Int Ed Engl. 2012 Jul 9;51(28):6886-90. doi: 10.1002/anie.201201113. Epub 2012 May 25.
PMID:22639442
Abstract
Anatase TiO(2) nanocrystals have been organized into high-surface-area (150-230 m(2) g(-1)) mesoporous films with long-range chiral nematic ordering. The chiral structure of the anatase films causes them to selectively reflect circularly polarized light and appear iridescent. These materials show replication of structural features found in the silica template on nanometer to millimeter length scales.
摘要
锐钛矿 TiO(2) 纳米晶已被组装成具有高表面积（150-230 m(2) g(-1))的介孔薄膜，并具有长程手性向列有序。锐钛矿薄膜的手性结构导致它们选择性地反射圆偏振光，并呈现出虹彩效果。这些材料复制了在纳米到毫米长度尺度上发现的二氧化硅模板的结构特征。
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