Open AccessTuning Optical and Structural Properties of Composite Glass: Effect of Rice Husk Fibre
Author(s) -
S. N. H. Piara,
Asmahani Awang,
Jedol Dayou
Publication year - 2019
Publication title -
journal of physics. conference series
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.21
H-Index - 85
eISSN - 1742-6596
pISSN - 1742-6588
DOI - 10.1088/1742-6596/1358/1/012044
Subject(s) - husk , composite number , materials science , band gap , quenching (fluorescence) , excited state , composite material , range (aeronautics) , porosity , analytical chemistry (journal) , absorption (acoustics) , mineralogy , chemistry , optics , fluorescence , physics , atomic physics , optoelectronics , botany , chromatography , biology
Tuning optical and structural properties of composite glass due to the effect of rice husk fibre are examined. A series of glass with composition of 69.5TeO 2 -20ZnO-10Na 2 O-0.5Er 2 O 3 -(x)0.2RHF where x is rice husk fibre in weight percentage with three distinctive sizes of 63 μm, 125 μm and 250 μm are prepared following melt-quenching technique and characterized systematically. UV-Vis spectra displayed nine absorption bands centered at 380, 410, 445, 489, 520, 545, 650, 799 and 975 nm corresponding to the transitions of Er 3 + originate from ground state to excited states. The direct and indirect band gap is found to lies in range of 3.296 to 3.410 eV and 2.958 to 3.174 eV, respectively. Urbach energy lies in the range of 0.145 to 0.181 eV. SEM images illustrates the fractures surface due to porosity of glass samples and elemental traces verify the appearance of C, O, Na, Zn, Te, Au, Al, Si, Er and Ca elements.