Facile Synthesis of Water-Dispersed Photoluminescent Gold(I)-Alkanethiolate Nanoparticles via Aggregation-Induced Emission and Their Application in Cell Imaging

被引：8

作者：

Xu, Lijun ^{[1
,2
]}

Cao, Yi ^{[2
]}

Hong, Shanni ^{[2
]}

Kuang, Ye ^{[2
]}

Liu, Min ^{[2
]}

Liu, Aihua ^{[1
]}

Zhang, Yuanyuan ^{[3
]}

Pei, Renjun ^{[2
]}

机构：

[1] Qingdao Univ, Inst Biosensing, Sch Chem & Chem Engn, 308 Ningxia Rd, Qingdao 266071, Peoples R China

[2] Chinese Acad Sci, Suzhou Inst Nanotech & Nanobion, Div Nanobiomed, CAS Key Lab Nanobio Interface, Suzhou 215123, Peoples R China

[3] Anhui Med Univ, Sch Life Sci, Hefei 230032, Anhui, Peoples R China

来源：

ACS APPLIED NANO MATERIALS | 2018年 / 1卷 / 12期

基金：

中国国家自然科学基金; 安徽省自然科学基金;

关键词：

luminescence; fluorescence; gold; nanoparticle; nanocluster; aggregation-induced emission; FLUORESCENT ORGANIC NANOPARTICLES; GOLD NANOCLUSTERS; METAL NANOCLUSTERS; AU NANOCLUSTERS; COMPLEXES; LUMINESCENCE; FABRICATION; SHEETS; SENSOR; PROBE;

D O I：

10.1021/acsanm.8b01435

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Gold(I)-alkanethiolates could assemble themselves into highly ordered nanostructures, however, they could not be dissolved or dispersed in various common solvents. Here, a novel and facile method of synthesizing water-dispersed luminescent Au(I)-alkanethiolate nanoparticles via aggregation-induced emission is reported for the first time. With the aid of two surfactants (didodecyldimethylammonium bromide (DDAB) and tween 80), the luminescent gold nanoparticles possess excellent water dispersion stability. Besides, they exhibit a large Stokes shift (24278 cm(-1)), red emission, high quantum yield (50.7%) and extraordinary stability toward pH, salts, redox agents (NaBH4, Na2S, cysteine and H2O2) and light irradiation. The luminescent gold nanoparticles are also used for cell imaging successfully.

引用

页码：6641 / 6648

页数：15

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