Sains Malaysiana 43(6)(2014): 915-922

Structural and Luminescence Properties of Fe3+ Doped
Antimony Lead Borophosphate Glass
(Ciri Struktur dan Luminesen Fe3+ Didopkan Antimoni Plumbum Borofosfat Kaca)

LEONG PAU MING*, EEU TIEN YEW, LEOW TING QIAO, PANG XIE GUAN, ZUHAIRI IBRAHIM & ROSLI HUSSIN

Phosphor Research Group, Department of Physics, Faculty of Science, Universiti Teknologi Malaysia
81300, Skudai, Johor, Malaysia

Diserahkan : 3 April 2013/Diterima: 21 Disember 2013

ABSTRACT

Structural and luminescence properties of borophosphate glasses with different modifier doped with transition metal ions have been investigated in this study. The glass sample from the series of xPb3O4:0.2Sb2O3:0.3B2O3:(0.5-x)P2O5 and ySb2O3:0.2Pb3O4:(0.5-y)B2O3:0.3P2O5 where 0= x =0.20 mol% and 0 = y = 0.15mol%, respectively, were doped with 0.01 mol% of Fe2O3 system have been prepared using the melt-quenching technique. The structural properties of samples had been studied using fourier transform infrared (FT-IR) spectroscopy. The FT-IR study showed the network structure of the studied glasses based on the B2O3-P2O5 host with the Sb2O3 and Pb2O3 modifiers. The results of FT-IR showed traces of BO3 and BO4 with the introduction of Sb2O3 and Pb2O3 modifiers. With the increasing content of B2O3 which replacing content of P2O5 in the glass network, the intensity of the borate band decreases and shifted to lower frequency. UV-Vis spectroscopy analysed the transition of Fe3+ from ground state to excited state in the ultraviolet spectral region. The photoluminescence of samples were studied using photoluminescence spectroscopy. The result of photoluminescence spectroscopy showed the effect of photoluminescence enhancement by doping Fe3+ as activator.

Keywords: Borophosphate glass; fourier transform infrared (FT-IR); photoluminescence; UV-Vis spectroscopy

ABSTRAK

Ciri struktur dan luminesen borofosfat kaca dengan pengubahsuai yang berbeza didopkan dengan ion logam peralihan telah dikaji dalam penyelidikan ini. Sampel kaca berdasarkan siri xPb3O4: 0.2Sb2O3: 0.3B2O3: (0.5-x) P2O5 dan ySb2O3: 0.2Pb3O4: (0.5-y) B2O3: 0.3P2O5 dengan 0 = x = 0.20 mol% dan 0 = y = 0.15 mol% masing-masing yang didopkan dengan 0.01 mol% Fe2O3 sistem telah dihasilkan dengan melalui teknik sepuh lindap leburan. Ciri struktur sampel telah dikaji dengan menggunakan spektroskopi transformasi fourier inframerah (FT-IR). Pengukuran struktur menggunakan teknik FT-IR telah menunjukkan struktur rangkaian kaca yang dikaji berdasarkan hos B2O3-P2O5 dengan pengubahsuai Sb2O3 dan Pb3O4. Keputusan FT-IR menunjukkan penambahan BO4 daripada BO3 dengan penambahan Sb2O3 dan Pb3O4. Tambahan pula, apabila penambahan komposisi B2O3 dalam siri kaca, keamatan jalur borat berkurang dan beralih kepada frekuensi yang lebih rendah. Teknik UV-Vis digunakan untuk menganalisis peralihan Fe3+ dari aras dasar ke aras teruja pada kawasan spektrum ultraungu. Ciri fotoluminesen telah dikaji dengan menggunakan spektroskopi fotoluminesen. Fotoluminesen spektrum menunjukkan peningkatan sifat fotoluminesen disebabkan oleh ion Fe3+.

Kata kunci: Borofosfat kaca; fotoluminesen; teknik UV-Vis; transformasi fourier inframerah (FT-IR)

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