{"title":"Band-aid-assisted Joule heater based on laser-induced graphene for thermotherapy applications","authors":"Yexiong Huang, Zikai Bao, Tingyu Liu, Chunxin Hao, Xinyuan Wang, Jinmin Li","doi":"10.1016/j.matlet.2025.138602","DOIUrl":null,"url":null,"abstract":"<div><div>In this work, a high-performance Joule heater is proposed, which is composed of LIG as the heating layer and medical band-aids as the substrate. Thanks to the sodium lignosulfonate as carbon source, laser-induced graphene (LIG), is successfully prepared on the medical band-aids. The Joule heater exhibits remarkable electrothermal performance, capable of reaching a high temperature of 96.6 °C at a low operating voltage of 8 V. The band-aid-assisted LIG-based Joule heater is demonstrated for thermotherapy applications, showing good heating temperature controllability. This work can provide a solution for the development of comfortable LIG-based flexible electronics based on medical band-aids.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138602"},"PeriodicalIF":2.7000,"publicationDate":"2025-04-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Materials Letters","FirstCategoryId":"88","ListUrlMain":"https://www.sciencedirect.com/science/article/pii/S0167577X25006317","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
In this work, a high-performance Joule heater is proposed, which is composed of LIG as the heating layer and medical band-aids as the substrate. Thanks to the sodium lignosulfonate as carbon source, laser-induced graphene (LIG), is successfully prepared on the medical band-aids. The Joule heater exhibits remarkable electrothermal performance, capable of reaching a high temperature of 96.6 °C at a low operating voltage of 8 V. The band-aid-assisted LIG-based Joule heater is demonstrated for thermotherapy applications, showing good heating temperature controllability. This work can provide a solution for the development of comfortable LIG-based flexible electronics based on medical band-aids.
期刊介绍：
Materials Letters has an open access mirror journal Materials Letters: X, sharing the same aims and scope, editorial team, submission system and rigorous peer review.
Materials Letters is dedicated to publishing novel, cutting edge reports of broad interest to the materials community. The journal provides a forum for materials scientists and engineers, physicists, and chemists to rapidly communicate on the most important topics in the field of materials.
Contributions include, but are not limited to, a variety of topics such as:
• Materials - Metals and alloys, amorphous solids, ceramics, composites, polymers, semiconductors
• Applications - Structural, opto-electronic, magnetic, medical, MEMS, sensors, smart
• Characterization - Analytical, microscopy, scanning probes, nanoscopic, optical, electrical, magnetic, acoustic, spectroscopic, diffraction
• Novel Materials - Micro and nanostructures (nanowires, nanotubes, nanoparticles), nanocomposites, thin films, superlattices, quantum dots.
• Processing - Crystal growth, thin film processing, sol-gel processing, mechanical processing, assembly, nanocrystalline processing.
• Properties - Mechanical, magnetic, optical, electrical, ferroelectric, thermal, interfacial, transport, thermodynamic
• Synthesis - Quenching, solid state, solidification, solution synthesis, vapor deposition, high pressure, explosive
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