发光碳量子点的制备及其荧光特性的研究Synthesis of Photoluminescent Carbon Dots and the Research of Their Fluorescence Properties
郭满,刘丽洁,夏莲,张皓爽,姬泓巍
摘要(Abstract):
本文选取水热法制备了具有优良光学性能的碳量子点(CDs),并对其进行了以下研究:研究了离子种类和浓度分别对碳量子点荧光信号的影响,并对其谱图进行了讨论。研究结果表明:采用水热法,以柠檬酸为碳源与尿素反应可得到具有荧光性的碳量子点。在所研究的无机盐离子中,铜离子对碳量子点的荧光性有明显的猝灭效应,且铜离子浓度与碳量子点的荧光强度成线性负相关关系。由于CDs的荧光信号对于特定的离子有灵敏响应,本文结果可用于研究新的离子探针进行特定离子的定性定量分析。
关键词(KeyWords): 碳量子点;柠檬酸;水热合成法;尿素;Cu2+
基金项目(Foundation):
作者(Author): 郭满,刘丽洁,夏莲,张皓爽,姬泓巍
DOI: 10.16441/j.cnki.hdxb.20160334
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