نانومقیاس

نانومقیاس

بکارگیری واکنش مکانوشیمیایی تعویض کاتیون جهت سنتز سبز نانورشته های یک پلیمر کوئوردیناسیونی آلی-فلزی

نویسندگان
گروه شیمی معدنی، دانشکده شیمی، پردیس علوم، دانشگاه تهران،تهران
چکیده
نانو ساختارهای پلیمر سوپرامولکولی ZnBPDH2On 1، H2BPD ´1و1-بی فنیل-´2و2-دی کربوکسیلیک اسید به وسیله‌ی فرایند سونوشیمی سنتز گردید. تبدیل حالت-جامد نانوساختارهای ترکیب 1 به نانورشته های پلیمر کوئوردیناسیونی Ag2BPDn 2 از طریق واکنش تعویض کاتیون ترکیب 1 با AgNO3مورد بررسی قرار گرفت. آنالیز های پراش پرتو ایکس پودری PXRD و آنالیزهای وزن سنجی حرارتی و تفاضل حرارتی TG-DTA، نشان داد که این تبدیل برگشت ناپذیر است. بررسی نتایج گزارش شده از ساختار بلوری این دو ترکیب نشان می دهد که در طی این فرایند، فضای کوئوردیناسیونی ZnO4 در 1 به AgO3Ag2˙˙˙C6 در 2 تبدیل شده و بدین ترتیب طی این واکنش مکانوشیمیایی حالت جامد یک ترکیب آلی-فلزی سنتز گردید.
کلیدواژه‌ها

عنوان مقاله English

Applying theMechanochemical Reaction of CationExchange for Green Synthesis of an Organometallic Coordination Polymer Nanofibers

نویسندگان English

Zh. Moradi
K. Akhbari
School of Chemistry, College of Science, University of Tehran, Tehran
چکیده English

Nanostructures of ZnBPDH2On 1, H2BPD 1,1´-biphenyl-2,2´-dicarboxylic acid supramolecular polymer were synthesized by the sonochemical process. The solid-state conversion of compound 1 nanostructures to nanofibers of Ag2BPDn 2 coordination polymer was investigated by cation exchange reaction of compound 1 with AgNO3. X-ray diffraction XRD analyzes and thermogravimetric and differential thermal analyses TG-DTA have shown that this conversion is irreversible. Consideration the crystal structure of these two compounds, which were reported previously, shows that during this process, the ZnO4 coordination sphere in 1 changed to AgO3Ag2˙˙˙C6 in 2, thus an organometallic compound was synthesized during this solid-state mechanochemical reaction.

کلیدواژه‌ها English

Coordination Polymer
Organometallic
Sonochemical
Mechanochemical
Nanostructure
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دوره 6، شماره 4
زمستان 1398
صفحه 1-10

  • تاریخ دریافت 05 آبان 1399