مطالعه الکتروشیمیایی فرایندهای انتقال بار و جرم در نانوپوسته های کبالت اکسید

نوع مقاله: علمی-پژوهشی

نویسندگان

1 فارس، دانشگاه آزاد اسلامی واحد علوم و تحقیقات فارس، گروه شیمی

2 تهران، دانشگاه خواجه نصیرالدین طوسی، گروه شیمی

چکیده

در این مقاله یک روش ساده و مؤثر برای ساخت نانوپوسته‌ های کبالت اکسید (II) ارایه می‌شود. مورفولوژی و ساختار شیمیایی نانوپوسته‌ ها با روش‌های گوناگون شامل میکروسکپ ‌های الکترونی (روبشی و عبوری)، پراش اشعه ایکس، میکروسکپی روبشی تونلی و روش‌های الکتروشیمیایی بررسی شد. مطالعه جامعی بر رفتار الکتروشیمیایی نانوپوسته‌ ها در فصل مشترک با الکترولیت، فرایندهای انتقال بار و جرم (انتشار غیر خطی یون مقابل) در آنها و سینتیک و مکانیسم واکنش‌ها با استفاده از ولتامتری چرخه ای و اسپکتروسکپی امپدانس الکتروشیمیایی انجام شد.ثابت‌های سرعت واکنش‌های الکتروشیمیایی، و ضریب انتشار یون مقابل در نانوپوسته‌ها در پتانسیل‌های گوناگون گزارش شد.  

کلیدواژه‌ها

موضوعات


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