Rational Structural Design of Polymer Pens for Energy-Efficient Photoactuation

Author:

Huang Zhongjie1ORCID,Li Le2,Yin Taishan1,Brown Keith A.2ORCID,Wang YuHuang34ORCID

Affiliation:

1. State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, Shanghai 201620, China

2. Department of Mechanical Engineering, Boston University, Boston, MA 02215, USA

3. Department of Chemistry and Biochemistry, University of Maryland, College Park, MD 20742, USA

4. Maryland NanoCenter, University of Maryland, College Park, MD 20742, USA

Abstract

Photoactuated pens have emerged as promising tools for expedient, mask-free, and versatile nanomanufacturing. However, the challenge of effectively controlling individual pens in large arrays for high-throughput patterning has been a significant hurdle. In this study, we introduce novel generations of photoactuated pens and explore the impact of pen architecture on photoactuation efficiency and crosstalk through simulations and experiments. By introducing a thermal insulating layer and incorporating an air ap in the architecture design, we have achieved the separation of pens into independent units. This new design allowed for improved control over the actuation behavior of individual pens, markedly reducing the influence of neighboring pens. The results of our research suggest novel applications of photoactive composite films as advanced actuators across diverse fields, including lithography, adaptive optics, and soft robotics.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Shanghai

Shanghai Pujiang Program

Air Force Office of Scientific Research

National Science Foundation

Publisher

MDPI AG

Subject

Polymers and Plastics,General Chemistry

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