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纳米金颗粒对碳量子点荧光发光的影响

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  • Key Words:碳量子点;;金纳米颗粒;;荧光光谱

  • Abstract:本研究采用微波反应法利用胱氨酸碳化制备尺寸约为3-5nm的荧光碳量子点(CDs),其荧光发射峰随辐射时间的延长从508nm变化到519nm,同时荧光强度减弱。碳量子点经过透析处理后,荧光发射峰蓝移到460nm。这种碳量子点溶液中加入金纳米颗粒时荧光光谱又发生蓝移且裂分为412和436nm两个荧光发射峰,说明金纳米颗粒与碳量子点之间的存在相互作用,其机理需要进一步探讨。

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