文献类型：期刊文献

英文题名：Programming Smectic Soft Defects via Pixelated Holographic Lithography

作者：Jiao, Guoqing[1,2];Liu, Xuan[1,2];Hu, Honglong[1,3];Yuan, Conglong[1,3,4];Zheng, Zhi-Gang[1]

机构：[1]East China Univ Sci & Technol, Sch Phys, Shanghai 200237, Peoples R China;[2]East China Univ Sci & Technol, Sch Mat Sci & Engn, Shanghai 200237, Peoples R China;[3]East China Univ Sci & Technol, Sch Chem & Mol Engn, Shanghai 200237, Peoples R China;[4]Soochow Univ, Engn Res Ctr Digital Imaging & Display, Minist Educ, Suzhou 215006, Peoples R China

年份：2025

卷号：13

期号：21

外文期刊名：ADVANCED OPTICAL MATERIALS

收录：;EI(收录号：20251518205674);WOS:【SCI-EXPANDED(收录号:WOS:001459169400001)】；

基金：This work was supported by the National Key Research and Development Program of China (2022YFA1203700), the National Natural Science Foundation of China (grant nos. T2488302, 62275081, 62035008, and 22305079), Innovation Program of Shanghai Municipal Education Commission, Scientific Committee of Shanghai (2021-01-07-00-02-E00107), "Shuguang Program" of Shanghai Education Development Foundation, the Shanghai Municipal Education Commission (21SG29), the Shanghai Sailing Program (23YF1409000, 24YF2709100), the Postdoctoral Fellowship Program of CPSF (GZB20240218) and the Engineering Research Center of Digital Imaging and Display, Ministry of Education, Soochow University (SDGC2436).

语种：英文

外文关键词：focal conic domains; holographic lithography; oily streak; smectic liquid crystal; surface reliefs

摘要：The molecular ordering and defects in self-assembled soft matter systems are pivotal to their functionality and the advancement of innovative applications. However, achieving precise guidance in the assembly and dynamical modulation of defect structures in an artificial manner remains a formidable challenge in soft matter and interdisciplinary science. Herein, a digitally controlled pixelated holographic lithography system is established to fabricate nanoscale surface reliefs, enabling precise manipulation of smectic liquid crystal lamellar defect structures. These surface reliefs, with customizable topographic features, facilitate versatile smectic soft defect engineering, allowing selective assembly of square focal conic domains and oily streak defects, along with precise control over their periodicity, orientations, and patterned coexistence within micro-regions. The defect structures demonstrate exceptional stability and durability under UV irradiation, providing a robust framework for versatile defect engineering. This work opens a new pathway for manipulating lamellar superstructures in soft matter, offering potential applications in advanced functional materials and devices.