Effect of Li(I)‎ and TiO2 on the Upconversion Luminance of Pr:Y2SiO5 and Its Photodegradation on Nitrobenzene Wastewater

المؤلفون المشاركون

Yang, Yi
Xia, Guang-Zhi
Liu, Cheng
Zhang, Jin-Hua
Wang, Lian-Jun

المصدر

Journal of Chemistry

العدد

المجلد 2015، العدد 2015 (31 ديسمبر/كانون الأول 2015)، ص ص. 1-7، 7ص.

الناشر

Hindawi Publishing Corporation

تاريخ النشر

2015-01-18

دولة النشر

مصر

عدد الصفحات

7

التخصصات الرئيسية

الكيمياء

الملخص EN

Based on the substrate of Pr:Y2SiO5 upconversion nanomaterials, lithium ion Li(I) doped Pr:Y2SiO5 and TiO2 nanofilm coated Li,Pr:Y2SiO5 composites were prepared by using a sol-gel method.

X-ray diffractometer, SEM, and fluorescence spectrometer have been employed to test the crystal structure, microimages, and upconversion luminescence performances.

The doping of Li(I) affects highly the crystal transition of Pr:Y2SiO5 and X2-Y2SiO5 phase was well formed by doping 8% Li(I).

Furthermore, the doping of Li(I) also brings high luminance intensity of Pr:Y2SiO5 and contributes to a maximum intensity of 9.76 × 106 cps doped 8%.

Too much of Li(I) doping would result in big crystal size and fluorescence quenching of Pr:Y2SiO5 material.

However, the coating of TiO2 nanofilm is not helping in increasing the upconversion fluorescence of Li,Pr:Y2SiO5 but is promoting the full use of the fluorescence.

The luminescence intensities of TiO2/Li,Pr:Y2SiO5 composites are getting down sharply with the coating amount since the luminescence emitted by Li,Pr:Y2SiO5 is quickly adsorbed in situ by the TiO2 coating film.

With the optimum coating concentration of 1%, the TiO2/Li,Pr:Y2SiO5 composite shows excellent photodegradation performances on nitrobenzene wastewater, though it shows a low luminescence intensity.

For 5 mg/L nitrobenzene wastewater, the composite presents a photodegradation rate of 97.08% in 4 hours.

نمط استشهاد جمعية علماء النفس الأمريكية (APA)

Yang, Yi& Xia, Guang-Zhi& Liu, Cheng& Zhang, Jin-Hua& Wang, Lian-Jun. 2015. Effect of Li(I) and TiO2 on the Upconversion Luminance of Pr:Y2SiO5 and Its Photodegradation on Nitrobenzene Wastewater. Journal of Chemistry،Vol. 2015, no. 2015, pp.1-7.
https://search.emarefa.net/detail/BIM-1067710

نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)

Yang, Yi…[et al.]. Effect of Li(I) and TiO2 on the Upconversion Luminance of Pr:Y2SiO5 and Its Photodegradation on Nitrobenzene Wastewater. Journal of Chemistry No. 2015 (2015), pp.1-7.
https://search.emarefa.net/detail/BIM-1067710

نمط استشهاد الجمعية الطبية الأمريكية (AMA)

Yang, Yi& Xia, Guang-Zhi& Liu, Cheng& Zhang, Jin-Hua& Wang, Lian-Jun. Effect of Li(I) and TiO2 on the Upconversion Luminance of Pr:Y2SiO5 and Its Photodegradation on Nitrobenzene Wastewater. Journal of Chemistry. 2015. Vol. 2015, no. 2015, pp.1-7.
https://search.emarefa.net/detail/BIM-1067710

نوع البيانات

مقالات

لغة النص

الإنجليزية

الملاحظات

Includes bibliographical references

رقم السجل

BIM-1067710