光响应液滴操控功能表面研究及应用进展  

Research and application advances of photo-responsive droplet manipulation functional surface

作　　者：张琛[1] 文通 刘泽志 高文萍 王新孔 李紫钰 匡翠方[2] 王凯歌[1] 白晋涛[1] Zhang Chen;Wen Tong;Liu Zezhi;Gao Wenping;Wang Xinkong;Li Ziyu;Kuang Cuifang;Wang Kaige;Bai Jintao(Institute of Photonics&Photon Technology,Northwest University,Xi’an,Shaanxi 710127,China;College of Optical Science and Engineering,Zhejiang University,Hangzhou,Zhejiang 310007,China)

机构地区：[1]西北大学光子与光子技术研究所,陕西西安710127 [2]浙江大学光电科学与工程学院,浙江杭州310007

出　　处：《光电工程》2023年第3期150-175,共26页Opto-Electronic Engineering

基　　金：国家重大科研仪器研制项目(51927804);国家自然科学基金资助项目(62275216,61378083,61405159,11504294);国家自然科学基金重大研究计划培育项目(91123030);陕西省科技创新团队项目(S2018-ZC-TD-0061)。

摘　　要：具有特定润湿性的功能表面是人们操控液滴的重要手段。近年来基于光激励响应的润湿性功能表面发展迅速,通过光诱发材料表面产生润湿梯度力、机械形变、相变、介电泳力以及电润湿性能转变等,光响应液滴操控功能表面能够有效地操控液滴行为。本文简要回顾了光响应液滴操控功能表面的发展历程,重点介绍了其操控液滴的基本原理,分析并总结了当前该功能表面的类型、结构特点以及相应的制备技术。此外,介绍了光响应液滴操控功能表面在液滴输运、融合、分割、液滴机器人、微纳流控芯片等领域的应用,并结合光响应液滴操控功能表面的操控特点对其发展趋势和未来潜在应用进行了展望。Functional surface with specific wettability is one of the indispensable means for droplet manipulation.In recent years,the photo-responsive functional surface with changeable wettability has developed fast.By inducing wetting gradient force,mechanical deformation,phase transformation,dielectric electrophoresis force and electro wettability alteration on the material surface,the behavior of the droplets can be controllably manipulated by the photo-responsive functional surface.In this paper,the development of the photo-responsive functional surface for the droplet manipulation was briefly reviewed.The principles and mechanisms of the droplet manipulation with the functional surface had been expatiated.The categories,structural characteristics and corresponding preparation techniques of the functional surface were analyzed and summarized.In addition,the applications of the photo-responsive functional surface in droplet transportation,fusion,fission,liquid robot,and fluidic chips were introduced in detail.The development tendency and potential applications of the photo-responsive droplet manipulation functional surface were prospected in combination with the characteristics of the functional surface.

关 键 词：光响应 功能表面 液滴操控 润湿性 

分 类 号：O439[机械工程—光学工程]