کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
9675731 | 1454105 | 2005 | 4 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
Fabrication of core-shell latex spheres with CdS/polyelectrolyte composite multilayers
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
مهندسی شیمی
شیمی کلوئیدی و سطحی
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چکیده انگلیسی
Core-shell latex spheres with CdS/polyelectrolyte composite multilayers have been fabricated via a layer-by-layer (LbL) self-assembly approach. The âSO3â and âNH3+ polar groups in polyelectrolytes (PSS and PAH) acted as the coordination sites for cadmium ion adsorption, and nanosized CdS particles were successfully grown in situ at these sites with the release of S2â ions from thioacetamide. The existence of CdS nanoparticles in polyelectrolyte multishells were confirmed by ζ-potentials, UV-vis and fluorescence spectroscopy, scanning electron microscopy (SEM), energy-dispersive X-ray (EDX), transmission electron microscopy (TEM) measurements. Such hybrid core-shell latex spheres may find applications in biological fluorescence assay areas.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Volume 264, Issues 1â3, 15 August 2005, Pages 215-218
Journal: Colloids and Surfaces A: Physicochemical and Engineering Aspects - Volume 264, Issues 1â3, 15 August 2005, Pages 215-218
نویسندگان
Suqiu Zhang, Yihua Zhu, Xiaoling Yang, Chunzhong Li,