بررسی روش‌ها و عوامل مؤثر بر ساخت نانوذرات اکسید مس تک‌ظرفیتی به فرم پایدار

نوع مقاله : مقاله مروری

نویسندگان

1 دانشکده نانوفناوری، دانشگاه سمنان

2 دانشگاه زنجان، دانشکده مهندسی، گروه مهندسی مواد

چکیده

در سال­های اخیر، از نانوذرات اکسید مس تک‌ظرفیتی (Cu2O) به‌دلیل داشتن خواصی منحصر به فرد، به شکل‌های گوناگونی در صنایع مختلف استفاده شده است. به‌دلیل اهمیت و کاربرد فراوان آن، روش‌های متداول همنهشت این نانوذره که بیشتر از راه کاهش شیمیایی و ایجاد رسوب در یک محیط قلیایی آبی انجام می‌شود، در چهار گروه رسوب‌دهی، سولوترمال/ هیدروترمال، سونوشیمی و الکتروشیمی بررسی شده است. خواص و ویژگی­ها، پایداری و همچنین میزان عملکرد این نانوذره به نحوۀ ساخت و مؤلفه‌های مؤثر بر اندازه، ساختار، شکل، خلوص و پایداری آن بستگی دارد؛ لذا تأثیر عواملی مانند نوع سورفکتانت و پیش‌ماده، عامل پوشش‌دهنده و کاهنده، دما و زمان واکنش، سرعت هم‌زدن مواد اولیه و غلظت حلال مصرفی بررسی شده است؛ با افزایش غلظت عامل کاهنده، سرعت هم‌زدن، غلظت پیش‌ماده و حلال تا حد بهینه، اندازۀ ذرات همنهشتی کوچکتر می‌شود.

کلیدواژه‌ها


عنوان مقاله [English]

Investigation of Methods and Affecting Factors on the Synthesis of Copper (I) Oxide Nanoparticles in Stable Form

نویسندگان [English]

  • A. Zargham 1
  • J. Moghaddam 2
  • N. Keramati 1
1 Semnan University
2 Zanjan University
چکیده [English]

In recent years, monovalent copper oxide (Cu2O) nanoparticles have been used in various industries due to their unique properties. Due to its importance and many applications, common methods of synthesis of these nanoparticles, which are usually done by chemical reduction and sedimentation in an alkaline aqueous medium, have been studied in four groups: precipitation, solvothermal/ hydrothermal, sonochemical and electrochemical. Properties, stability, as well as the performance of this nanoparticle depends on how it is made and the parameters that affect its size, structure, shape, purity and stability. Therefore, the effect of factors such as type of surfactant and precursor, coating and reducing agent, temperature and reaction time, stirring speed of raw materials and concentration of solvent used has been investigated. By increasing the reducing agent concentration, stirring speed, precursor and solvent concentrations to the optimum, the size of the synthetic particles will be smaller.

کلیدواژه‌ها [English]

  • Copper (I) Oxide
  • Precipitation
  • Hydrothermal

 

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