کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
1555042 | 1513252 | 2008 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Gold nanoparticles self-assembled onto passivated glass substrates: Tuning the transition from 2D to 1D structures
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی مواد
مواد الکترونیکی، نوری و مغناطیسی
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چکیده انگلیسی
In this work, we investigate the chemical conditions for inducing a self-organized growth of 2D and 1D structures of gold nanoparticles (NPs), 50 nm diameter tri-sodium citrate stabilized, assembled onto chemically modified glass substrates through 3-Aminopropyltriethatoxysilane. The aggregation process of the nanoparticles on the silanised surface has been controlled by optimizing the concentration limit, immersion time and annealing process of NPs. A recipe to obtain the appropriate electrical charge conditions necessary for inducing the dimensionality transition of the organized nanostructures from 2D to 1D has been determined through the comparison between two deposition routes employing different polar solvents (water and ethanol). The self-organized growth of gold NPs into structures of different dimensionality has been extensively investigated by Atomic Force Microscopy and discussed.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Superlattices and Microstructures - Volume 44, Issues 4â5, OctoberâNovember 2008, Pages 608-616
Journal: Superlattices and Microstructures - Volume 44, Issues 4â5, OctoberâNovember 2008, Pages 608-616
نویسندگان
Chandramohan George, Davide Ricci, Ermanno Di Zitti,