{"title":"Preparation of wood-derived carbon-based composites for highly efficient detection of Hg2+","authors":"Jingwei Tian, Dongxu Yang, Ge Li, Yu Song, Erli Ding, Benhua Xu","doi":"10.1016/j.matlet.2025.138591","DOIUrl":null,"url":null,"abstract":"<div><div>In this study, we develop a novel TMB-derived colorimetric probe system by successfully loading gold nanoparticles on wood-derived carbon-based materials by thermal decomposition method, and the colorimetric detection performance of the composites was studied. The results show that the wood-derived carbon-based composites (Au/C) with high sensitivity (the lowest detection limit of Au/C composites for Hg<sup>2+</sup> was 0.2 nM), anti-interference and strong specificity in detecting Hg<sup>2+</sup>. In addition, the Au/C composite material presented a good linear relationship in the low concentration range of 0–200 nM.</div></div>","PeriodicalId":384,"journal":{"name":"Materials Letters","volume":"393 ","pages":"Article 138591"},"PeriodicalIF":2.7000,"publicationDate":"2025-08-15","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/S0167577X25006202","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"2025/4/16 0:00:00","PubModel":"Epub","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
In this study, we develop a novel TMB-derived colorimetric probe system by successfully loading gold nanoparticles on wood-derived carbon-based materials by thermal decomposition method, and the colorimetric detection performance of the composites was studied. The results show that the wood-derived carbon-based composites (Au/C) with high sensitivity (the lowest detection limit of Au/C composites for Hg2+ was 0.2 nM), anti-interference and strong specificity in detecting Hg2+. In addition, the Au/C composite material presented a good linear relationship in the low concentration range of 0–200 nM.
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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