摘要
金属纳米簇(MNCs)是几个到近百个金属原子组成的纳米材料,由于具有尺寸效应,表现出不同于常规金属的光学性质,引起了广泛关注。近年来随着对MNCs不断深入的研究,制备出各种金属(如Au、Ag、Pt、Cu以及合金)纳米簇。其中铜纳米簇(CuNCs)具有随尺寸变化且可调的荧光,合成条件温和,制备成本低,并且化学性质稳定,与传统的半导体纳米晶体、量子点(QDs)和有机染料相比更有优势,在化学和生物分析方面具有广阔的应用前景。本文从“自上而下法”(Top-down)和“自下而上法”(Bottom-up)两方面介绍了近些年合成CuNCs的主要方法,基于荧光“关闭”(“Turn-off”型荧光探针)和荧光“开启”(“Turn-on”型荧光探针)两种荧光传感机理对其应用领域进行了系统综述,对CuNCs的未来发展趋势进行了展望。相信该综述能够帮助研究者们从更深入的角度探究不同的传感机理,从而构建出更加精准、高效、可靠的CuNCs类荧光探针。
Metal nanoclusters(MNCs),which are nanomaterials consisting of a few to nearly a hundred metal atoms,have attracted much attention due to the size effect and exhibit optical properties that differ from those of conventional metals.In recent years,with the increasing research on MNCs,various metal(e.g.,Au,Ag,Pt,Cu,and alloys)nanoclusters have been prepared.Among them,copper nanoclusters(CuNCs)have size-dependent and tunable fluorescence,mild synthesis conditions,low preparation cost,non-toxicity,and are chemically stable,which are more advantageous than conventional semiconductor nanocrystals,quantum dots(QDs),and organic dyes,and they have a promising future for chemical and bioanalytical applications.Synthesis of CuNCs in recent years are introduced in terms of“turn-off”and“bottom-up”methods,and their application fields are systematically reviewed based on the fluorescence sensing mechanisms of“turn-off”and“turn-on”modes.A systematic review of the application fields of CuNCs is conducted,and the future development trend of CuNCs is prospected.It is believed that this review will help researchers to explore different sensing mechanisms from a deeper perspective,to construct more accurate,efficient and reliable fluorescent probes.
作者
初红涛
刘晓函
赵明
高立娣
秦世丽
韩爽
王军
CHU Hongtao;LIU Xiaohan;ZHAO Ming;GAO Lidi;QIN Shili;HAN Shuang;WANG Jun(College of Chemistry and Chemical Engineering,Qiqihar University,Qiqihar 161006,Heihongjiang,China;Heilongjiang Province Industrial Hemp Processing Technology Innovation Center,Qiqihar 161006,Heihongjiang,China;National Market Regulation Technology Innovation Center(Industrial Hemp),Qiqihar 161006,Heihongjiang,China;College of Chemistry and Materials Science,Guizhou Normal University,Guiyang 550025,China)
出处
《材料导报》
北大核心
2025年第2期128-137,共10页
Materials Reports
基金
国家自然科学基金(22161012)
黑龙江省省属高校基本科研业务费科研项目(145309305)。
关键词
铜纳米簇
制备
机理
荧光分析
copper nanoclusters
synthesis
mechanism
fluorescence analysis
作者简介
通信作者:初红涛,工学博士,齐齐哈尔大学教授、硕士研究生导师。主要从事新型荧光探针的设计及应用、色谱分析技术应用等研究。lange19790@163.com。
