Self-organization of gold nanoparticles on silanated surfaces

被引：73
|
作者：
Kyaw, Htet H. [1 ]
Al-Harthi, Salim H. [1 ]
Sellai, Azzouz [1 ]
Dutta, Joydeep [2 ,3 ]
机构：
[1] Sultan Qaboos Univ, Coll Sci, Phys Dept, Muscat 123, Oman
[2] Sultan Qaboos Univ, Water Res Ctr, Chair Nanotechnol, Muscat 123, Oman
[3] KTH Royal Inst Technol, Sch Informat & Commun Technol, Funct Mat Div, SE-16440 Kista, Sweden
来源：
BEILSTEIN JOURNAL OF NANOTECHNOLOGY | 2015年 / 6卷
关键词：
3-aminopropyletriethoxysilane; electrostatic interaction; functionalization; gold nanoparticles; self-assembled monolayer; self-organization; ELECTROCHEMICAL OXIDATION; SILICON SURFACES; COVERAGE;
D O I：
10.3762/bjnano.6.242
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The self-organization of monolayer gold nanoparticles (AuNPs) on 3-aminopropyltriethoxysilane (APTES)-functionalized glass substrate is reported. The orientation of APTES molecules on glass substrates plays an important role in the interaction between AuNPs and APTES molecules on the glass substrates. Different orientations of APTES affect the self-organization of AuNps on APTES-functionalized glass substrates. The as grown monolayers and films annealed in ultrahigh vacuum and air (600 degrees C) were studied by water contact angle measurements, atomic force microscopy, X-ray photoelectron spectroscopy, UV-visible spectroscopy and ultraviolet photoelectron spectroscopy. Results of this study are fundamentally important and also can be applied for designing and modelling of surface plasmon resonance based sensor applications.
引用
收藏
页码：2345 / 2353
页数：9
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