Programmable droplets: Leveraging digitally-responsive flow fields to actively tune liquid morphologies

Author:

Kay RaphaelORCID,Katrycz Charlie W.,Heimlich Ethan J.,Hatton Benjamin D.

Abstract

Stimulus-responsive materials enable programmable and adaptive behaviors. Typical solid-phase systems can only achieve small deformations for applications where shape transformations are beneficial or required. Liquids, in contrast, can self-assemble and achieve very high strains in a multifluid environment. Here we report liquid droplet formation by tuning flow potential within a confined fluidic cell. We digitally inject small volumes of liquid-pigment into an otherwise-transparent liquid layer, generating macroscopic droplet assembly over large areas constrained between closely-spaced plates. Droplet morphology is actively controlled by modulating outlet conditions to tune flow fields. Pattern stability is maintained through control over injection rate, interfacial viscosity difference, and interfacial surface tension. We demonstrate time-dependent droplet formation and migration to achieve spatially-tunable optical properties. Applied as a multi-cell array, we imagine this liquid mechanism will enable scalable pattern dynamics for active shading and visual display technologies.

Funder

Canadian Foundation for Innovation

Percy Edward Hart Professorship, University of Toronto

Publisher

Public Library of Science (PLoS)

Subject

Multidisciplinary

Reference42 articles.

1. Smart materials and structures;W Cao;Proceedings of the National Academy of Sciences,1999

2. Smart Materials

3. Contingent Behaviours.;M. Addington;Architectural Design,2009

4. An innovative building envelope (kinetic façade) with Shape Memory Alloys used as actuators and sensors;M Formentini;Automation in Construction,2018

5. Self-folding origami: shape memory composites activated by uniform heating;MT Tolley;Smart Materials and Structures,2014

Cited by 2 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. Multilayered optofluidics for sustainable buildings;Proceedings of the National Academy of Sciences;2023-01-30

2. Decapod-inspired pigment modulation for active building facades;Nature Communications;2022-07-15

同舟云学术

1.学者识别学者识别

2.学术分析学术分析

3.人才评估人才评估

"同舟云学术"是以全球学者为主线,采集、加工和组织学术论文而形成的新型学术文献查询和分析系统,可以对全球学者进行文献检索和人才价值评估。用户可以通过关注某些学科领域的顶尖人物而持续追踪该领域的学科进展和研究前沿。经过近期的数据扩容,当前同舟云学术共收录了国内外主流学术期刊6万余种,收集的期刊论文及会议论文总量共计约1.5亿篇,并以每天添加12000余篇中外论文的速度递增。我们也可以为用户提供个性化、定制化的学者数据。欢迎来电咨询!咨询电话:010-8811{复制后删除}0370

www.globalauthorid.com

TOP

Copyright © 2019-2024 北京同舟云网络信息技术有限公司
京公网安备11010802033243号  京ICP备18003416号-3