استخدام انابيب التيتانيوم النانوية كمحفزات ضوئية في عملية التكسير الضوئي لصبغة الكرستال البنفسجية
DOI:
https://doi.org/10.54153/sjpas.2025.v7i2.1025الكلمات المفتاحية:
ثاني اوكسيد التيتانيوم ، التكسير الضوئي ،الكرستال البنفسجية ،التحفيز الضوئي،حركية التفاعلالملخص
في هذه الدراسة تم تحضير انابيب ثنائي اوكسيد التيتانيوم النانوية باستخدام الطريقة الالكتروكيميائية ( الانودة ) وذلك باستخدام خلية كهروكيميائية كلا القطبين فيها ( الكاثود والانود) من صفائح التيتانيوم ومحلول الكتروليتي مكون من(اثيلين كلايكول + فلوريد الأمونيوم + الماء الاأيوني) وباستعمال جهد مقداره 65V) (.شخص التركيب النانوي لانابيب التيتانيوم المحضرة باستخدام جهاز المجهر الالكتروني الماسح SEM)). حيث بلغ متوسط قطر انابيب التيتانيوم المحضرة ( nm 88.25) نانومتر.
كما طبقت الانابيب النانوية المحضرة في عملية التكسير الضوئي لصبغة الكرستال البنفسجية حيث درست العوامل المؤثرة على عملية التكسير الضوئي مثل شدة المصدر الضوئي والدالة الحامضية والتركيز الابتدائي للاصباغ العضوية واظهرت انابيب ثاني اوكسيد التيتانيوم المستخدمة قابلية كبيرة على ازالة الاصباغ من المياه حيث بلغت النسبة المئوية للتكسير الضوئي لصبغة الكرستال البنفسجية 78.9% واوضحت دراسة تأثير الدالة الحامضية ان النسبة المئوية للتكسير الضوئي تزداد بزيادة الدالة الحامضية وبينت نتائج دراسة اختلاف التركيز الابتدائي للصبغة على النسبة المئوية للتكسير الضوئي على ان النسبة المئوية للتكسير ضوئي تقل بزيادة التركيز الابتدائي للصبغة.
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