کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
822151 906782 2008 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Preparation of silver nanoparticles in inorganic clay suspensions
موضوعات مرتبط
مهندسی و علوم پایه سایر رشته های مهندسی مهندسی (عمومی)
پیش نمایش صفحه اول مقاله
Preparation of silver nanoparticles in inorganic clay suspensions
چکیده انگلیسی

We have successfully developed a simple method for preparing silver nanoparticles via photoreduction of AgNO3 in layered laponite suspensions without any addition of reduction agent or heat treatment. The properties of silver nanoparticles were studied as a function of the UV irradiation time. A bimodal size distribution and relatively large silver nanoparticles were obtained when irradiated under UV for 3 h. Further irradiation disintegrated the silver nanoparticles into smaller size with a single mode distribution until a relatively stable size and size distribution were achieved. The results from optical absorption spectra of silver nanoparticles agree well with the detailed microstructure studies performed by transmission electron microscopy (TEM). The synthesized laponite suspensions containing silver nanoparticles are stable up to several months and have potential applications as antimicrobial ointments.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Composites Science and Technology - Volume 68, Issue 14, November 2008, Pages 2948–2953
نویسندگان
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