بررسی تأثیر عوامل مختلف بر پایداری نانوسیال‌های حاوی نانوذرات اکسیدفلزی بر پایۀ اتیلن گلیکول

آهنگرپور, آمنه; شاخی, امل; فربد, منصور

doi:10.22055/jrmbs.2026.20897

بررسی تأثیر عوامل مختلف بر پایداری نانوسیال‌های حاوی نانوذرات اکسیدفلزی بر پایۀ اتیلن گلیکول

نوع مقاله : مقاله پژوهشی کامل

نویسندگان

آمنه آهنگرپور

امل شاخی

منصور فربد

گروه فیزیک، دانشکده علوم، دانشگاه شهید چمران اهواز، اهواز، ایران

10.22055/jrmbs.2026.20897

چکیده

در این تحقیق، نانوسیال‌های حاوی نانوذرات اکسید فلزی (ZnO، CuO و Zn0.97Cu0.03O) بر پایۀ اتیلن گلیکول با درصدهای وزنی 1/0، 25/0 و 5/0 ساخته شدند. تأثیر عوامل مختلف از جمله نوع دستگاه اولتراسونیک، زمان اولتراسونیک، افزودن سدیم دودسیل سولفات (SDS) به‌عنوان سورفکتانت و همچنین اصلاح سطحی نانوذرات اکسیدفلزی با استفاده از مخلوط اولئیک اسید و اوزایلن بر پایداری نمونه‌ها مورد بررسی قرار گرفت. جهت عامل‌دارسازی نانوذرات از مخلوط اولئیک اسید و اوزایلن با نسبت‌های مختلف 3%، 5%، 7%، 9%، 10%، 30%، 40% و 50% استفاده شد. نتایج نشان دادند که نسبت اولئیک اسید به اوزایلن 50% دارای بیشترین پایداری در مقایسه با سایر نمونه‌ها می‌باشد. به‌منظور بررسی پایداری نانوسیال‌های ساخته شده از طیف‌سنجی UV-vis استفاده شد. نتایج نشان دادند که عامل‌دارسازی نانوذرات، بیشترین تأثیر را در پایداری نانوسیال‌های ساخته شده دارد به‌طوری‌که نانوسیال‌های حاوی نانوذرات آلایش یافتۀ عامل‌دار تا حدود 12 روز پایدار بودند. همچنین مشاهده شد که برای ساخت نمونه‌ها، اولتراسونیک میله‌ای مناسب‌تر از اولتراسونیک حمامی است.

کلیدواژه‌ها

نانوذرات اکسید فلزی

نانوسیال‌ها

پایداری

اولئیک اسید

اوزایلن

طیف‌سنجی .UV-vis

موضوعات

شاخه‌های میان‌رشته‌ای

عنوان مقاله English

Investigation the effect of various factors on the stability of nanofluids containing metal oxide nanoparticles based on ethylene glycol

نویسندگان English

Ameneh Ahangarpour

Amal Shakhi

Mansoor Farbod

Department of Physics, Faculty of Science, Shahid Chamran University of Ahvaz, Ahvaz, Iran

چکیده English

In this study, nanofluids containing metal oxide nanoparticles (ZnO, CuO, and Zn0.97Cu0.03O) were prepared based on ethylene glycol with 0.1, 0.25, and 0.5 wt.%. The effect of various factors, including the type of ultrasonic device, ultrasonic time, addition of sodium dodecyl sulfate (SDS) as a surfactant, and surface modification of metal oxide nanoparticles using a mixture of oleic acid and oxylene on the stability of the samples was investigated. For functionalization of the nanoparticles, a mixture of oleic acid and oxylene was used with different ratios of 3%, 5%, 7%, 9%, 10%, 30%, 40%, and 50%. The results showed that the ratio of oleic acid to oxylene of 50% had the highest stability compared to other samples. UV-vis spectroscopy was used to investigate the stability of the nanofluids. The results showed that the functionalization of nanoparticles had the greatest effect on the stability of the samples, as the nanofluids containing functionalized nanoparticles were stable for about 12 days. It was also observed that for synthesis the samples, probe ultrasonication is more suitable than bath ultrasonication.

کلیدواژه‌ها English

Metal oxide nanoparticles

Nanofluids

Stability

Oleic acid

Oxylene

UV-vis spectroscopy

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