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长链表面改性红色发光碳点作为3D打印光聚合反应的荧光添加剂

Long-chain surface-modified red-emitting carbon dots as fluorescent additives for 3D printing vat-photopolymerization.

作者信息

Maturi Simone, Baschieri Andrea, Locatelli Erica, Buccioli Martina, Comes Franchini Mauro, Sambri Letizia

机构信息

Department of Industrial Chemistry "Toso Montanari", University of Bologna Via Piero Gobetti 85 40129 Bologna Italy

Institute for Organic Synthesis and Photoreactivity (ISOF), National Research Council of Italy (CNR) Via Piero Gobetti 101 40129 Bologna Italy.

出版信息

Nanoscale Adv. 2024 Nov 26;7(2):448-455. doi: 10.1039/d4na00617h. eCollection 2025 Jan 14.

DOI:10.1039/d4na00617h
PMID:39640004
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11615732/
Abstract

Carbon dots have recently attracted tremendous scientific attention thanks to their enhanced luminescence properties, photostability and low toxicity. In particular, red-emitting carbon dots (RCDs) are assuming increasing importance in biomedical applications, such as bio-imaging and phototherapy. At the same time, the possibility to create functional and complex objects by means of vat-photopolymerization-based three-dimensional (3D) printing techniques is continuously growing. This work describes the synthesis of long-chain surface-modified red emitting carbon dots, L-RCDs by esterification of RCDs, obtained from green reagents with a new solvothermal synthesis, and their employment as fluorescent additives in two formulations of photopolymerizable resins. The printing process proceeded smoothly in all cases, and red-emitting objects with different mechanical properties have been successfully obtained.

摘要

由于其增强的发光特性、光稳定性和低毒性，碳点最近引起了科学界的极大关注。特别是，发红光的碳点（RCDs）在生物医学应用中，如生物成像和光疗，正变得越来越重要。与此同时，通过基于光聚合的三维（3D）打印技术制造功能性和复杂物体的可能性也在不断增加。这项工作描述了通过用新的溶剂热合成法从绿色试剂中获得的RCDs进行酯化反应，合成长链表面改性发红光的碳点（L-RCDs），以及它们在两种可光聚合树脂配方中作为荧光添加剂的应用。在所有情况下，打印过程都顺利进行，并且成功获得了具有不同机械性能的发红光物体。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/c22ac41cddd4/d4na00617h-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/cb31d8083c0a/d4na00617h-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/e1dc1425e6b8/d4na00617h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/671f875e822c/d4na00617h-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/97938a869d74/d4na00617h-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/bfdb9840ebc1/d4na00617h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/c22ac41cddd4/d4na00617h-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/cb31d8083c0a/d4na00617h-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/e1dc1425e6b8/d4na00617h-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/671f875e822c/d4na00617h-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/97938a869d74/d4na00617h-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/bfdb9840ebc1/d4na00617h-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/fc65/11730766/c22ac41cddd4/d4na00617h-f5.jpg

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