علوم مهارتی و خلاقیت

علوم مهارتی و خلاقیت

افزایش عملکرد نانومحرک خمشی از طریق نانوساختار سه‌لایه مبتنی‌بر نانوسیم پلی‌پیرول‌، کنتاکت‌های طلایی با ضخامت نانویی و بستر پلی‌اتر سولفون

نوع مقاله : مقاله پژوهشی

نویسندگان
1 دانشجوی دکتری، گروه شیمی آلی و بیوشیمی، دانشگاه تبریز، تبریز، ایران.
2 دانشیار، گروه شیمی آلی و بیوشیمی، دانشکده شیمی، دانشگاه تبریز، تبریز، ایران
3 عضو هیئت علمی، گروه مهندسی مکانیک، دانشگاه فنی و حرفه‌ای، تهران، ایران
4 دانشجوی ارشد، گروه شیمی آلی و بیوشیمی، دانشگاه تبریز، تبریز، ایران.
چکیده
عملگرهای خمشی کاربرد گسترده­ای در حوزه­های پزشکی و صنعتی دارند که از آن جمله می­توان به ماهیچه­های مصنوعی اشاره کرد. با توجه به ماهیت پلیمرهای رسانا، تحقیقات وسیعی برای گسترش کاربرد آن­ها در این محرک­ها و بهبود عملکرد آن­ها انجام شده است. در تحقیق حاضر، یـک سـاختار سـه­لایـه شـامل پلـی­اتـر سـولفون بـه­عنـوان بسـتر، لایـه طـلا بـه­عنـوان کنتاکت بـرای افـزایش رسـانایی و پلـی­پیـرول با ساختار نانوسیم بـه­عنـوان پلیمـر الکتروفعـال، بـرای سـاخت عملگر خــم­شــونده پیشــنهاد شــد. در یــک فراینــد چنــد مرحلــه­ای، نخست نانوسیم­های پلی­پیرول تحت شرایط ملایم با کلرید آهن به­عنوان یک اکسیدان در اندازه 120 نانومتر سنتز شد. سپس لایـه­نشـانی طـلا بـه­روش لایـه­نشانی خلأ و به ضخامت 70 نانومتر و سـنتز شـیمیایی یـک لایـه پلـی­اتـرسـولفون بـه ضـخامت تقریبـی 120 میکرومتـر، سـاخته شـدند و در نهایـت پاسـخ­دهـی نمونـه­هـا از نظـر زاویـه انحـراف و ماندگاری ساختار بررسی شدند. نتایج به‌دست‌آمده نشان داد، زاویه انحراف به­دسـت‌آمـده در حـدود 35 درجـه است. میـزان مانـدگاری قطعه تهیه‌شده نیز بیـانگر بهبود در چسبندگی بین لایه­های ساختار نسبت به نمونه­های مشابه است.
کلیدواژه‌ها

عنوان مقاله English

Increasing the Performance of Bending Nanoactuator through Three-layer Nanostructure based on Polypyrrole Nanowire, Nano-Thick Gold Contacts and Polyether Sulfone Substrate

نویسندگان English

Mahsa Mahdavinai 1
Gholamreza Kiani 2
Ayub Karimzad Ghavidel 3
Elaheh Habibzadeh 4
1 PhD Student, Department of Organic Chemistry and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
2 Associate Professor, Department of Organic and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
3 Faculty Member, Department of Mechanical Engineering, Technical and Vocational University (TVU), Tehran, Iran.
4 MSc Student, Department of Organic Chemistry and Biochemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.
چکیده English

The bending actuators find extensive applications in the fields of medicine and industry, often likened to artificial muscles. Due to the inherent properties of conductive polymers, substantial research has been conducted to enhance their utilization and improve performance. In the current study, a three-layer configuration was proposed for creating an actuator. This configuration consisted of a plyethersulfone substrate, a gold layer to enhance conductivity, and polypyrrole with nanowire as the electroactive polymer. The aim was to induce bending motion. First, polypyrrole nanowires with a size of 120 nm were synthesized under mild conditions with iron chloride as an oxidant. The gold layer was deposited using a vacuum deposition method, with a thickness of 70 nm. Additionally, a polyethersulfone layer was chemically synthesized, with an estimated thickness of 120 micrometers. Subsequently, the samples were subjected to testing to examine the angle of deviation and the durability of the structure. The results obtained indicated an approximate deviation angle of 35 degrees. Furthermore, the degree of durability suggested an improvement in layer adhesion within the structure compared to similar samples.

کلیدواژه‌ها English

Actuator
Actuation
Conductive Polymer
Polyether Sulfone
Polypyrrole
Electroactive Polymer
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  • تاریخ دریافت 18 آبان 1402
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  • تاریخ پذیرش 14 اسفند 1402