Parametric Optimization of Microcontact Stamping for Rapid Thermo-Color Change in Pigment-Coated Thin Film.

Jeonghoo Lee, Kyeongho Lee, Yeongseok Jang, Seunghoon Lee, Jinmu Jung, Jonghyun Oh

Abstract read

In one paragraph

Article in Micromachines, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

Authors and funding

6 authors.

Jeonghoo LeeDepartment of Nano-Bio Mechanical System Engineering, College of Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea.

Kyeongho LeeDepartment of Mechanical Design Engineering, College of Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea.ORCID 0009-0003-4497-2901

Yeongseok JangDepartment of Nano-Bio Mechanical System Engineering, College of Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea.ORCID 0000-0002-1783-6264

Seunghoon LeeEyeguard Co., Ltd., Yangpyeong-ro 22-gil, Yeongdeungpo-gu, Seoul 07205, Republic of Korea.

Jinmu JungDepartment of Nano-Bio Mechanical System Engineering, College of Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea.

Jonghyun OhDepartment of Nano-Bio Mechanical System Engineering, College of Engineering, Jeonbuk National University, Jeonju 54896, Republic of Korea.

Funding

Jeonbuk RISE Center 2025-RISE-13-JBUNational Research Foundation of Korea NRF-2022R1C1C2006901National Research Foundation of Korea NRF-2023R1A2C1006145

6 · The paper itself

Abstract

Microcontact stamping is a promising microfabrication technique for producing functional patterned thin films on flexible substrates; however, systematic optimization of its process parameters for thermochromic applications remains limited. In this study, we present a comprehensive parametric optimization of the microcontact stamping process to fabricate thermochromic pigment-coated thin films with rapid and reversible color responses. The effects of liquid resin type, SU-8 mold thickness, polydimethylsiloxane (PDMS) mixing ratio, and pattern size on pattern fidelity and thermochromic performance were systematically investigated. The optimal conditions were identified as a UV-curable resin, a 600 µm-thick SU-8 mold, a PDMS base-to-curing-agent ratio of 5:1, and a pattern size of 125 × 125 µm

Indexed as

microcontact stampingphotolithographypigmentsoft lithographythermochromism

Identifiers

PMID41753892

DOI10.3390/mi17020238

PMCPMC12943346

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LicenceCC BY

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.