عنوان پایان‌نامه
بهبود عملکرد الکترودها در سلولهای الکتروشیمیائی ساخته شده در افزاره های میکرو فلئودیک با استفاده از نانو صفحات گرافن
- رشته تحصیلی
- مهندسی برق-الکترونیک- تکنولوژی نیمه هادی
- مقطع تحصیلی
- کارشناسی ارشد
- محل دفاع
- کتابخانه مرکزی پردیس 2 فنی شماره ثبت: E 3107;کتابخانه مرکزی -تالار اطلاع رسانی شماره ثبت: 78771;کتابخانه مرکزی پردیس 2 فنی شماره ثبت: E 3107;کتابخانه مرکزی -تالار اطلاع رسانی شماره ثبت: 78771
- تاریخ دفاع
- ۱۰ شهریور ۱۳۹۵
- دانشجو
- مرتضی حسن پورامیری
- استاد راهنما
- سیدشمس ا لدین مهاجرزاده
- چکیده
- درانجام ای پایان نامه به بررسی رفتارها وکاربردها ی گرافن در حوزه الکتروشیمی پرداختیم
- Abstract
- In this dissertation, we grown CVD graphene and take advantage of it to enhance a 3 electrode electrochemical sensing platform to sense small amount of some of well-known neurotransmitter namely, Dopamine, Ascorbic acid and folic acid. The bio sensor was fabricated on a glassy substrate with three electrode made of titanium, platinum and gold. Then, previously grown few layer graphene was transferred on top of working electrode which was made of gold. Merit of abstained manipulated sensor was investigated by use of some of well-established electrochemical methods like cyclic voltammetry and differential pulse voltammetry. Evidence confirmed effectiveness of modification of electrode and lead to increasing the detection limit of biosensor. Next we used recently introduce technique of LSG to reduce Graphene oxide and utilized it as an active material of a working electrode of a supercapacitor. Than we examine different composite of GO and MoS2 and ZNO to enhance the performance of obtained supercapacitor. Finally we built some of measuring instrumentation such as Potentio-galvano stat and impedance measurement unit and used them to evaluate our fabricated devices. These instruments are accompanied with a Microsoft’s Windows based software written by C# programming language. Key Words : Graphene , Light scribe reduced Graphene Oxide , Bio – sensor , Supercapacitor , Potentio Galvano Stat , Electrochemical Impedance measurement unit In this dissertation, we grown CVD graphene and take advantage of it to enhance a 3 electrode electrochemical sensing platform to sense small amount of some of well-known neurotransmitter namely, Dopamine, Ascorbic acid and folic acid. The bio sensor was fabricated on a glassy substrate with three electrode made of titanium, platinum and gold. Then, previously grown few layer graphene was transferred on top of working electrode which was made of gold. Merit of abstained manipulated sensor was investigated by use of some of well-established electrochemical methods like cyclic voltammetry and differential pulse voltammetry. Evidence confirmed effectiveness of modification of electrode and lead to increasing the detection limit of biosensor. Next we used recently introduce technique of LSG to reduce Graphene oxide and utilized it as an active material of a working electrode of a supercapacitor. Than we examine different composite of GO and MoS2 and ZNO to enhance the performance of obtained supercapacitor. Finally we built some of measuring instrumentation such as Potentio-galvano stat and impedance measurement unit and used them to evaluate our fabricated devices. These instruments are accompanied with a Microsoft’s Windows based software written by C# programming language. Key Words : Graphene , Light scribe reduced Graphene Oxide , Bio – sensor , Supercapacitor , Potentio Galvano Stat , Electrochemical Impedance measurement unit
