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李洪伟Li Hongwei

(副教授)
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学位:博士
性别:男
学历:博士研究生毕业
在职信息:在职
所在单位:化学学院

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A two-stage assembly with PEI induced emission enhancement of Au-Ag NCs@AMP and the intrinsic mechanism

发布日期:2019-09-24 点击次数:

论文类型:期刊论文
第一作者:Xu Yu,Jiao Liu
通讯作者:Hong-Wei Li
全部作者:Yuqing Wu
发表时间:2018-06-27
发表刊物:Nanoscale
收录刊物: SCI  
学科门类:理学
一级学科:化学
文献类型:J
卷号:10
页面范围:14563–14569
摘要:Recently, aggregation-induced emission (AIE) properties have been revealed for some metal nanoclusters
(NCs), providing a new approach to improve the quantum yields (QY). In the present study, a two-stage
assembly was carried out between adenosine monophosphate capped bimetallic nanoclusters of gold
and silver (Au–AgNCs@AMP) and polyethylenimine (PEI), in which the QY was improved from 8.64% to
25.02%, showing obvious assembly induced emission enhancement (AIEE) properties. The intrinsic
mechanisms of the assembly and emission enhancement in two stages were studied in depth, which indicated
th
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